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solid-state multi-functional timer h3cr-a b-109 timers solid-state multi-functional timer h3cr-a din 48 x 48-mm state-of-the-art multifunctional timer a wider power supply range reduces the number of timer mod- els kept in stock. a wide range of applications through six or four operating modes. reduced power consumption. (except for h3cr-a8e) enables easy sequence checks through instantaneous outputs for a zero set value at any time range. length, when panel-mounted with a socket, of 80 mm or less. time setting rings enable consistent settings and limit the set- ting range. panel covers enable various panel designs. pnp input models available. rich variety of inputs: start, reset, and gate functions (11-pin models and -ap models) model number structure model number legend 1. number of pins none: 11-pin models 8: 8-pin models 2. input type for 11-pin models none: no-voltage input (npn type) p: voltage input (pnp type) 3. output none: relay output (dpdt) s: transistor output (npn/pnp universal use) e: relay output (spdt) with instantaneous relay output (sp- dt) 4. suffix 300: dual mode models (signal on/off-delay and one-shot) 301: double time scale (range) models (0.1 s to 600 h) h3cr-a @@@ - @ 1 2 3 4
b-110 solid-state multi-functional timer h3cr-a ordering information list of models 11-pin models 8-pin models output supply voltage input type time range operating mode (see note 2) model contact 100 to 240 vac (50/60 hz)/ 100 to 125 vdc no-voltage input 0.05 s to 300 h six multi-modes: a, b, b2, c, d, e h3cr-a 24 to 48 vac (50/60 hz)/ 12 to 48 vdc 100 to 240 vac (50/60 hz)/ 100 to 125 vdc dual-modes: g, j h3cr-a-300 24 to 48 vac (50/60 hz)/ 12 to 48 vdc 100 to 240 vac (50/60 hz)/ 100 to 125 vdc voltage input six multi-modes: a, b, b2, c, d, e h3cr-ap 24 to 48 vac (50/60 hz)/ 12 to 48 vdc 100 to 240 vac (50/60 hz)/ 100 to 125 vdc no-voltage input 0.1 s to 600 h h3cr-a-301 24 to 48 vac (50/60 hz)/ 12 to 48 vdc transistor (photocou- pler) 24 to 48 vac (50/60 hz)/ 12 to 48 vdc 0.05 s to 300 h h3cr-as output supply voltage input type time range operating mode (see note 2) model contact 100 to 240 vac (50/60 hz)/ 100 to 125 vdc no-input available 0.05 s to 300 h four multi-modes: a, b2, e, j (power supply start) h3cr-a8 24 to 48 vac (50/60 hz)/ 12 to 48 vdc 100 to 240 vac (50/60 hz)/ 100 to 125 vdc 0.1 s to 600 h h3cr-a8-301 24 to 48 vac (50/60 hz)/ 12 to 48 vdc transistor (photocou- pler) 24 to 48 vac (50/60 hz)/ 12 to 48 vdc 0.05 s to 300 h h3cr-a8s time-limit contact and instantaneous contact 100 to 240 vac (50/60 hz)/ 100 to 125 vdc h3cr-a8e 24 to 48 vdc/vac (50/60 hz) supply voltage note: 1. specify both the model number and supply voltage when ordering. example: h3cr-a 100 to 240 vac (50/60 hz)/100 to 125 vdc 2. the operating modes are as follows a: on-delay d: signal off-delay b: flicker off start e: interval b2: flicker on start g: signal on/off-delay c: signal on/off-delay j: one-shot
solid-state multi-functional timer h3cr-a b-111 timers accessories (order separately) note: 1. y92a-48g is a finger safe terminal cover which is attached to the p3g-08 or p3ga-11 socket. 2. the time setting ring and panel cover are sold together. 3. hold-down clips are sold in sets of two. specifications general *the internal circuits are optically isolated from the output. this enables universal application as npn or pnp transistor. name/specifications models flush mounting adapter y92f-30 y92f-73 y92f-74 mounting track 50 cm ( l ) x 7.3 mm (t) pfp-50n 1 m ( l ) x 7.3 mm (t) pfp-100n 1 m ( l ) x 16 mm (t) pfp-100n2 end plate pfp-m spacer pfp-s protective cover y92a-48b track mounting/ front connecting socket 8-pin p2cf-08 8-pin, finger safe type p2cf-08-e 11-pin p2cf-11 11-pin, finger safe type p2cf-11-e back connecting socket 8-pin p3g-08 8-pin, finger safe type p3g-08 with y92a-48g (see note 1) 11-pin p3ga-11 11-pin, finger safe type p3ga-11 with y92a-48g (see note 1) time setting ring setting a specific time y92s-27 limiting the setting range y92s-28 panel cover (see note 2) light gray (5y7/1) y92p-48gl black (n1.5) y92p-48gb medium gray (5y5/1) y92p-48gm hold-down clip (see note 3) for pl08 and pl11 sockets y92h-7 for pf085a socket y92h-8 item h3cr-a/-as h3cr-ap h3cr-a8/-a8s h3cr-a8e operating mode a: on-delay b: flicker off start b2: flicker on start c: signal on/off-delay d: signal off-delay e: interval g: signal on/off-delay (only for h3cr-a-300) j: one-shot (only for h3cr-a-300) a: on-delay (power supply start) b2: flicker on start (power supply start) e: interval (power supply start) j: one-shot (power supply start) pin type 11-pin 8-pin input type no-voltage input voltage input --- time-limit output type h3cr-a/-a8/-ap:relay output (dpdt) h3cr-as/-a8s: transistor output (npn/pnp universal)* relay output (spdt) instantaneous output type --- relay output (spdt) mounting method din track mounting, surface mounting, and flush mounting approved standards ul508, csa c22.2 no.14, nk, lloyds conforms to en61812-1 and iec60664-1 (vde0110) 4kv/2. output category according to en60947-5-1 for timers with contact outputs. output category according to en60947-5-2 for timers with transistor outputs.
b-112 solid-state multi-functional timer h3cr-a time ranges note: when the time setting knob is turned below ? 0 ? until the point where the time setting knob stops, the output will operate instantaneously at all time range settings. standard (0.05-s to 300-h) models double (0.1-s to 600-h) models ratings note: 1. dc ripple rate: 20% max. if the power supply incorporates a single-phase, full-wave rectifier. 2. each 24-to-48-vac/12-to-48-vdc model causes an inrush current of approximately 0.85 a. pay careful attention when attempting to turn on power to such a model with non-contact output from a device such as a sensor. 3. the values are for when the terminals 2 and 7 and terminals 10 and 6 are short-circuited, and include the consumption current o f the input circuit. time unit s (sec) min (min) h (hrs) x10 h (10 h) full scale set- ting 1.2 0.05 to 1.2 0.12 to 1.2 1.2 to 12 3 0.3 to 3 3 to 30 12 1.2 to 12 12 to 120 30 3 to 30 30 to 300 time unit s (sec) min (min) h (hrs) x10 h (10 h) full scale set- ting 2.4 0.1 to 2.4 0.24 to 2.4 2.4 to 24 6 0.6 to 6 6 to 60 24 2.4 to 24 24 to 240 60 6 to 60 60 to 600 rated supply voltage (see note 1) 100 to 240 vac (50/60 hz)/100 to 125 vdc, 24 to 48 vac (50/60 hz)/12 to 48 vdc (24 to 48 vac/vdc for h3cr- a8e) (see note 2) operating voltage range 85% to 110% of rated supply voltage (90% to 110% at 12 vdc) power reset minimum power-opening time: 0.1 s input no-voltage input on impedance: 1 k ? max. on residual voltage: 1 v max. off impedance: 100 k ? min. voltage input max. permissible capacitance between inputs lines (terminals 6 and 7): 1,200 pf load connectable in parallel with inputs (terminals 6 and 7). ? 100 to 240 vac/100 to 125 vdc high (logic) level: 85 to 264 vac/85 to 137.5 vdc low (logic) level: 0 to 10 vac/0 to 10 vdc ? 24 to 48 vac/12 to 48 vdc high (logic) level: 20.4 to 52.8 vac/10.8 to 52.8 vdc low (logic) level: 0 to 2.4 vac/0 to 1.2 vdc power consumption h3cr-a/-a8 ? 100 to 240 vac/100 to 125 vdc (when at 240 vac, 60 hz) relay on: approx. 2.0 va (1.6 w) relay off: approx. 1.3 va (1.1 w) ? 24 to 48 vac/12 to 48 vdc (when at 24 vdc) relay on: approx. 0.8 w relay off: approx. 0.2 w h3cr-ap (see note 3) ? 100 to 240 vac/100 to 125 vdc (when at 240 vac, 60 hz) relay on: approx. 2.5 va (2.2 w) relay off: approx. 1.8 va (1.7 w) ? 24 to 48 vac/12 to 48 vdc (when at 24 vdc) relay on: approx. 0.9 w relay off: approx. 0.3 w h3cr-a8e ? 100 to 240 vac/100 to 125 vdc (when at 240 vac, 60 hz) relay on/off: approx. 2 va (0.9 w) ? 24 to 48 vac/vdc (when at 24 vdc) relay on/off: approx. 0.9 w h3cr-as/-a8s ? 24 to 48 vac/12 to 48 vdc (when at 24 vdc) output on: 0.3 w output off: 0.2 w control outputs time limit contacts: 5 a at 250 vac/30 vdc, 0.15 a at 125 vdc, resistive load (cos = 1) transistor output: open collector (npn/pnp), 100 ma max. at 30 vdc max., residual voltage: 2 v max. instantaneous contact: 5 a at 250 vac/30 vdc, 0.15 a at 125 vdc, resistive load (cos = 1)
solid-state multi-functional timer h3cr-a b-113 timers characteristics note: 1. the value is 5% fs +100 ms to ? 0 ms max. when the c, d, or g mode signal of the h3cr-ap is off. 2. refer to the life-test curve . accuracy of operating time 0.2% fs max. ( 0.2% 10 ms max. in a range of 1.2 s) setting error 5% fs 50 ms (see note 1) reset time min. power-opening time: 0.1 s max. min. pulse width: 0.05 s (h3cr-a/-as) reset voltage 10% max. of rated supply voltage influence of voltage 0.2% fs max. ( 0.2% 10 ms max. in a range of 1.2 s) influence of tempera- ture 1% fs max. ( 1% 10 ms max. in a range of 1.2 s) insulation resistance 100 m ? min. (at 500 vdc) dielectric strength 2,000 vac (1,000 vac for h3cr-a @ s), 50/60 hz for 1 min (between current-carrying metal parts and exposed non- current-carrying metal parts) 2,000 vac (1,000 vac for h3cr-a @ s), 50/60 hz for 1 min (between control output terminals and operating circuit) 2,000 vac, 50/60 hz for 1 min (between contacts of different polarities) 1,000 vac, 50/60 hz for 1 min (between contacts not located next to each other) 2,000 vac, 50/60 hz for 1 min (between input and control output terminals and operation circuit) for h3cr-ap impulse withstand voltage 3 kv (between power terminals) for 100 to 240 vac/100 to 125 vdc, 1 kv for 24 to 48 vac/12 to 48 vdc 4.5 kv (between current-carrying terminal and exposed non-current-carrying metal parts) for 100 to 240 vac/100 to 125 vdc, 1.5 kv for 24 to 48 vac/12 to 48 vdc and 24 to 48 vac/vdc noise immunity 1.5 kv (between power terminals) and 600 v (between no-voltage input terminals), square-wave noise by noise sim- ulator (pulse width: 100 ns/1 s, 1-ns rise) static immunity malfunction: 8 kv destruction: 15 kv vibration resistance destruction: 10 to 55 hz with 0.75-mm single amplitude each in 3 directions for 2 hours each malfunction: 10 to 55 hz with 0.5-mm single amplitude each in 3 directions for 10 minutes each shock resistance destruction: 1,000 m/s 2 3 times each in 6 directions malfunction: 100 m/s 2 3 times each in 6 directions ambient temperature operating: ? 10 c to 55 c (with no icing) storage: ? 25 c to 65 c (with no icing) ambient humidity operating: 35% to 85% life expectancy mechanical: 20,000,000 operations min. (under no load at 1,800 operations/h) electrical: 100,000 operations min. (5 a at 250 vac, resistive load at 1,800 operations/h) (see note 2) emc (emi) en61812-1 emission enclosure: en55011 group 1 class a emission ac mains: en55011 group 1 class a (ems) en61812-1 immunity esd: iec61000-4-2: 6 kv contact discharge (level 3) 8 kv air discharge (level 3) immunity rf-interference from am radio waves: iec61000-4-3:10 v/m (80 mhz to 1 ghz) (level 3) immunity rf-interference from pulse-modulated radio waves:iec61000-4-3:10 v/m (900 5 mhz) (level 3) immunity conducted disturbance: iec61000-4-6: 10 v (0.15 to 80 mhz) (level 3) immunity burst: iec61000-4-4: 2 kv power-line (level 3) 2 kv i/o signal-line (level 4) immunity surge: iec61000-4-5: 1 kv line to line (level 3) 2 kv line to ground (level 3) case color light gray (munsell 5y7/1) degree of protection ip40 (panel surface) weight approx. 90 g
b-114 solid-state multi-functional timer h3cr-a life-test curve 10,000 5,000 1,000 500 100 load current (a) 30 vdc l/r = 7 ms 250 vac (cos = 0.4) switching operations (x 10 3 ) 250 vac/30 vdc (cos = 1) reference: a maximum current of 0.15 a can be switched at 125 vdc (cos = 1) and a maximum current of 0.1 a can be switched if l/r is 7 ms. in both cases, a life of 100,000 operations can be expected. the minimum applicable load is 10 ma (100 ma for h3cr-a8e) at 5 vdc (failure level: p).
solid-state multi-functional timer h3cr-a b-115 timers connections block diagrams h3cr-a/as ac (dc) input output circuit reset input, start input, and gate input input circuit power supply circuit oscillation circuit counting circuit zero setting detection circuit time range/ unit selectors operating mode selector indicator circuit power-on indicator output-on indicator h3cr-ap ac (dc) input output circuit start input circuit power supply circuit zero setting detection circuit oscillation circuit counting circuit time range/ unit selectors operating mode selector indicator circuit power-on indicator output-on indicator
b-116 solid-state multi-functional timer h3cr-a i/o functions note: h3cr-ap incorporates start input only. h3cr-a8/a8s ac (dc) input output circuit power supply circuit zero setting detection circuit oscillation circuit counting circuit time range/ unit selectors operating mode selector indicator circuit power-on indicator output-on indicator h3cr-a8e ac (dc) input output circuit power supply circuit zero setting detection circuit oscillation circuit counting circuit time range/ unit selectors operating mode selector indicator circuit power-on indicator output-on indicator instantaneous output circuit inputs (for -a/ -as models) start starts time-measurement. reset interrupts time-measurement and resets time-measurement value. no time-measurement is made and control output is off while the reset input is on. gate prohibits time-measurement. outputs control output outputs are turned on according to designated output mode when preset value is reached.
solid-state multi-functional timer h3cr-a b-117 timers terminal arrangement note: the delayed contact of conventional timers was indicated as the contact symbol of the h3cr-a is indicated as because its operating mode is six multi-modes (four multi-modes for the h3cr- a8). 11-pin models note: terminals 1, 3, 4, and 8 are empty. terminals 2, 5, 6, 7, and 10 are the same as for the h3cr-a. note: terminal 5 is empty. 8-pin models note: terminals 1, 3, 4, and 5 are empty. terminals 2 and 7 are the same as for the h3cr-a8. h3cr-a/-a-300/-a-301 (contact output) reset input start input gate input power supply h3cr-as (transistor output) power supply reset input start input gate input power supply start input h3cr-ap (contact output) h3cr-a8/-a8-301 (contact output) power supply h3cr-a8s (transistor output) power supply h3cr-a8e (contact output) power supply
b-118 solid-state multi-functional timer h3cr-a input connections h3cr-a/-as 5 6 7 2 + ? 5 6 7 2 + ? 5 6 7 2 the inputs of the h3cr-a/-as are no-voltage (short-circuit or open) inputs. no-voltage input signal levels no-contact input contact input no-contact input no-voltage inputs sensor timer gate start reset operates with transistor on timer operates with relay on gate start reset input (0 v) sensor timer operates with transistor on gate start reset input (0 v) (connection to npn open collector output sensor.) 12 to 24 vdc (sensor power supply) dc power supply input (0 v) no-contact input 1. short-circuit level transistor on residual voltage: 1 v max. impedance when on: 1 k ? max. 2. open level transistor off impedance when off: 100 k ? min. contact input use contacts which can adequate- ly switch 0.1 ma at 5 v (connection to a voltage output sensor.) 12 to 24 vdc (sensor power supply) dc power supply
solid-state multi-functional timer h3cr-a b-119 timers h3cr-ap 6 10 7 6 10 7 2 2 6 10 7 2 + ? + ? the start input of the h3cr-ap is voltage input. (voltage imposition or open) voltage input signal levels no-contact input no-contact input contact input sensor timer start operates with pnp transistor on operates with npn transistor on timer sensor timer operates with relay on voltage inputs input 0v start input 0v start input 0v ac power supply dc power supply (connection to pnp open collector output sensor) 12 to 24 vdc (sensor power supply) dc power supply power supply (+) power supply ( ? ) (connection to npn open collector output sensor) 12 to 24 vdc (sensor power supply) dc power supply power supply (+) power supply ( ? ) note: the input circuit is isolated from the power supply circuit. thus, an npn transistor can be connected. power supply (+) power supply ( ? ) note: refer to the signal levels in the fol- lowing table and be aware of the minimum applicable load of the relay. no-contact input 1. transistor on residual voltage: 1 v max. the voltage between terminals 6 and 7 must be 10.8 vdc min. 2. transistor off leakage current: 0.01 ma max. the voltage between terminals 6 and 7 must be 1.2 vdc max. contact input use contacts that can adequately switch 0.1 ma at each oper- ating voltage. the voltage between terminals 6 and 7 with contacts on or off must satisfy the specified value. contacts on 100-to-240-vac and 100-to-125-vdc models: 85 to 264 vac or 85 to 137.5 vdc 24-to-48-vac and 12-to-48-vdc models: 20.4 to 52.8 vac or 10.8 to 52.8 vdc contacts off 100-to-240-vac and 100-to-125-vdc models: 0 to 10 vac or 0 to 10 vdc 24-to-48-vac and 12-to-48-vdc models: 0 to 2.4 vac or 0 to 1.2 vdc
b-120 solid-state multi-functional timer h3cr-a operation timing chart note: 1. the minimum power-opening time ( ? rt ? ) is 0.1 s. 2. the minimum input pulse width (for start, reset) is 0.05 s. 3. the letter ? t ? in the timing charts stands for the set time and ? t ? a ? means that the period is less than the time set. 4. power supply start in mode j is also possible for h3cr-a8/-a8e/-a8s/-a8-301 models. h3cr-a/-as/-ap* *h3cr-ap model incorporates start input only. operating mode timing chart a: on-delay b: flicker off start b2: flicker on start c: signal on/ off- delay t t t power start reset output relay (nc) power indicator power output basic operation output relay (no) (output indicator) start (see note) note: start input is invalid while the timer is in operation. t t t t basic operation power output power power indicator start reset output relay (nc) output relay (no) (output indicator) start (see note) note: start input is invalid while the timer is in operation. t t t t basic operation power output power start reset power indicator output relay (nc) output relay (no) (output indicator) start (see note) note: start input is invalid while the timer is in operation. t ttt basic operation power output power start reset output relay (nc) power indicator output relay (no) (output indicator) start (see note) note: start input is valid and re- triggerable while the timer is in operation.
solid-state multi-functional timer h3cr-a b-121 timers gate signal input d: signal off- delay e: interval g: signal on/ off- delay j: one-shot out- put operating mode timing chart t basic operation power output output relay (nc) power indicator power start reset output relay (no) (output indicator) start (see note) note: start input is valid and re-triggerable while the timer is in operation. t power start reset output relay (nc) power indicator power output output relay (no) (output indicator) basic operation start (see note) note: start input is valid and re-triggerable while the timer is in opera- tion. t t t t basic operation power output power start reset output relay (nc) power indicator output relay (no) (output indicator) start (see note) note: start input is valid and re-triggera- ble while the timer is in operation. t basic operation output power power start reset output relay (nc) power indicator output relay (no) (output indicator) 1 0.6 s (fixed) 1 0.6 s (fixed) start (see note) 1 0.6 s (fixed) note: start input is valid and re- triggerable while the timer is in operation. t 1 t 2 power start gate reset on off on off on off on off on off output relay note: 1. this timing chart indicates the gate input in op- erating mode a (on-delay operation). 2. the set time is the sum of t 1 and t 2. 3. h3cr-ap model incorporates start input only.
b-122 solid-state multi-functional timer h3cr-a h3cr-a8/-a8s note: 1. the minimum power-opening time ( ? rt ? ) is 0.1 s. 2. the letter ? t ? in the timing charts stands for the set time and ? t ? a ? means that the period is less than the time set. operating mode timing chart a: on-delay b 2 : flicker on start e: interval j: one-shot out- put t power output basic operation power output relay (nc) output relay (no) (output indicator) power indicator t t t t power power output basic operation output relay (nc) output relay (no) (output indicator) power indicator t power output basic operation power output relay (nc) output relay (no) (output indicator) power indicator t power power output basic operation output relay (nc) output relay (no) (output indicator) power indicator 1 0.6 s (fixed) 1 0.6 s (fixed) 1 0.6 s (fixed)
solid-state multi-functional timer h3cr-a b-123 timers h3cr-a8e note: 1. the minimum power-opening time ( ? rt ? ) is 0.1 s. 2. the letter ? t ? in the timing charts stands for the set time and ? t ? a ? means that the period is less than the time set. operating mode timing chart a: on-delay b 2 : flicker on start e: interval j: one-shot out- put t power power indicator power output basic operation output relay (nc) output relay (no) (output indicator) instantaneous output relay (nc) instantaneous output relay (no) t ttt power power indicator power output basic operation output relay (nc) output relay (no) (output indicator) instantaneous output relay (nc) instantaneous output relay (no) t power output basic operation power power indicator output relay (nc) output relay (no) (output indicator) instantaneous output relay (nc) instantaneous output relay (no) t power power indicator power output basic operation (fixed) (fixed) output relay (nc) output relay (no) (output indicator) instantaneous output relay (nc) instantaneous output relay (no) 1 0.6 s (fixed)
b-124 solid-state multi-functional timer h3cr-a nomenclature operating mode display window scale range display windows time unit display window power indicator (green) (flashes when timer operates; lit when timer stops operating) output indicator (orange) (lit when output) time range selector (select one from 1.2, 3, 12, and 30 at full scale; with the h3cr-a @ -301, select from 2.4, 6, 24, or 60 at full scale. ) time setting knob (set time) time unit selector (select one from sec, min, hrs, and 10h) operating mode selector select a mode from: a, b, b2, c, d, and e (h3cr-a, -ap, and -as) a, b2, e and j (h3cr-a8, -a8s, and -a8e) g and j (h3cr-a-300)
solid-state multi-functional timer h3cr-a b-125 timers dimensions note: all units are in millimeters unless otherwise indicated. 48 48 66.6 52.3 15 6 44.8 x 44.8 0.7 48 66.6 48 15 6 52.3 0.7 44.8 x 44.8 11 pins 39 dia. 8 pins 39 dia. h3cr-a h3cr-ap h3cr-as h3cr-a8 h3cr-a8s h3cr-a8e 50 16.5 50 dimensions with set ring panel cover 42 dia. time setting ring 100.8 * 98.5 2.3 * 89.9 * 87.6 2.3 * 80 15 15 75 81.5 81.5 * these dimensions vary with the kind of din track (reference value). h3cr-a8 @ y92f-30 p3ga-11 y92f-30 p3g-08 h3cr-a h3cr-as h3cr-ap p2cf-11 p2cf-11-e p2cf-08 p2cf-08-e h3cr-a h3cr-as h3cr-ap + adapter (when y92a-48g mounted) h3cr-a8 @ + adapter (when y92a-48g mounted) dimensions with front connecting socket p2cf-08- @ /p2cf-11- @ dimensions with back connecting socket p3g-08/p3ga-11
b-126 solid-state multi-functional timer h3cr-a application examples (h3cr-a) a mode: on-delay on-delay operation (a mode) is a basic mode. 1. power-on start/power-off reset the power-on start/power-off reset operation is a standard oper- ating method. 2. signal start/signal reset the signal start/signal reset operation is useful for remote control of the timer. 3. control of integrated time with gate signal with a gate signal, the power-on start operation and signal start operation can be controlled (the operation can be interrupted). b/b2 mode: flicker the flicker operation in the b and b2 modes can be effectively applied to lamp or buzzer (on and off) alarms or the monitoring of an intermittent operation with a display. 1. power-on start/power-off reset (in b mode) t power (2 and 10) start (2 and 6) power indicator flashing lit externally short-circuited control output: nc (8 and 11) nc (1 and 4) control output: no (9 and 11) no (1 and 3) power supply t reset (2 and 7) power (2 and 10) start (2 and 6) power indicator flashing lit reset (2 and 7) lit (power continuously supplied) start signal (remote control possible) reset signal (remote control possible) control output: nc (8 and 11) nc (1 and 4) control output: no (9 and 11) no (1 and 3) power supply t 1 t 2 power (2 and 10) start (2 and 6) power indicator flashing lit gate (2 and 5) t 1 + t 2 : set time control output: nc (8 and 11) nc (1 and 4) control output: no (9 and 11) no (1 and 3) gate signal (the operation is interrupted with the gate signal if the timer detects an abnormal signal.) externally short-circuited power supply power (2 and 10) start (2 and 6) power indicator flashing externally short-circuited control output: nc (8 and 11) nc (1 and 4) control output: no (9 and 11) no (1 and 3) power supply
solid-state multi-functional timer h3cr-a b-127 timers 2. signal start/signal reset (in b mode) if there is an abnormal signal, flashing starts. when the abnormal condition is restored, a reset signal stops the display flashing. c mode: signal on/off-delay the signal on-/off-delay operation (c mode) is useful for the con- trol of distribution of products on a production line into boxes by the specified number or time. 1. power-on start/instantaneous operation/ time-limit reset a set of these functions is useful for the operation of a machine for a specified period when power is on. 2. signal-on-off start/instantaneous operation/time-limit reset d mode: signal off-delay signal off-delay operation (d mode) can be effectively used to keep a load operating for a certain period. for example, this function enables the cooling fan for a lamp or heater to operate for a certain period after the lamp or heater is switched off. 1. power-on start/instantaneous operation/ time-limit reset power (2 and 10) start (2 and 6) power indicator reset (2 and 7) lit flashing lit ( power continuousl y supplied ) start signal reset signal control output: nc (8 and 11) nc (1 and 4) control output: no (9 and 11) no (1 and 3) power supply tt power (2 and 10) start (2 and 6) externally short-circuited control output: nc (8 and 11) nc (1 and 4) control output: no (9 and 11) no (1 and 3) power supply power (2 and 10) start (2 and 6) power indicator lit lit lit lit (power continuously supplied) flashing flashing flashing control output: nc (8 and 11) nc (1 and 4) control output: no (9 and 11) no (1 and 3) start signal (the operation starts with the signal on or off) power supply power (2 and 10) start (2 and 6) power indicator lit flashing lit start signal (nc to no) control output: nc (8 and 11) nc (1 and 4) control output: no (9 and 11) no (1 and 3) power supply
b-128 solid-state multi-functional timer h3cr-a 2. signal start/instantaneous operation/ time-limit reset e mode: interval 1. power-on start/instantaneous operation/ time-limit reset this function is useful for the operation of a machine for a specified period after power is on. 2. signal start/instantaneous operation/ time-limit reset this function is useful for the repetitive control such as the filling of liquid for a specified period after each signal start input. lit power (2 and 10) start (2 and 6) power indicator flashing lit start signal (no to nc to no) (power continuously supplied) control output: nc (8 and 11) nc (1 and 4) control output: no (9 and 11) no (1 and 3) power supply power (2 and 10) start (2 and 6) externally short-circuited control output: nc (8 and 11) nc (1 and 4) control output: no (9 and 11) no (1 and 3) power supply t t power (2 and 10) start (2 and 6) start signal (power continuously supplied) control output: nc (8 and 11) nc (1 and 4) control output: no (9 and 11) no (1 and 3) power supply
solid-state multi-functional timer h3cr-a b-129 timers precautions (h3cr-a) note: the undermentioned is common for all h3cr-a models. power supplies for the power supply of an input device of the h3cr-a @ /-a @ s/-ap, use an isolating transformer with the primary and secondary wind- ings mutually isolated and the secondary winding not grounded. example: h3cr-a the h3cr-a @ /-a @ s/ap ? s power supply terminal 2 is a common ter- minal for input signals to the timer. do not disconnect the wires on terminal 2, otherwise the internal circuitry of the timer will be dam- aged. make sure that the voltage is applied within the specified range, oth- erwise the internal elements of the timer may be damaged. input/output relationship between input and power supply circuits (except for h3cr-a8e) the h3cr-a (except for h3cr-a8e) uses transformerless power supply. when connecting a relay or transistor as an external signal input device, pay attention to the following points to prevent short-cir- cuiting due to a sneak current to the transformerless power supply. if a relay or transistor is connected to two or more timers, the input ter- minals of those timers must be wired properly so that they will not differ in phase, otherwise the terminals will be short-circuited to one another. it is impossible to provide two independent power switches as shown below regardless of whether or not the timers are different in phase. s, g, r 5, 6, 7 2 10 2 h3cr-a power supply isolation transformer is required. input device input terminal 5, 6, 7 g, s, r 10 2 h3cr-a input terminal power supply h3cr-a power supply incorrect correct short-circuit current contact or transistor for external input signal input terminal input terminal input terminal input terminal power supply input terminal input terminal
b-130 solid-state multi-functional timer h3cr-a relationship between input and power supply circuits (h3cr-a @ /-a @ s) an appropriate input is applied to the input signal terminals of the h3cr-a @ /-a @ s when one of the input terminals is short-circuited with the common terminal (terminal 2) for the input signals. never use terminal 10 as the common terminal for this purpose, otherwise the internal circuit of the timer will be damaged. do not connect a relay or any other load between input terminals, otherwise the internal circuit of the timer will be damaged due to the high-tension voltage applied to the input terminals. relationship between input and power supply circuits (h3cr-ap) since the input circuit and the power supply circuit are configured independently, the input circuit can be turned on or off irrespective of the on/off state of the power supply. it must be noted that a voltage equivalent to the power supply voltage is applied to the input circuit. if a relay or transistor is connected to two or more timers, the input terminals of those timers must be wired properly so that they will not be different in phase or the terminals will be short-circuited to one another (refer to the figures below). common to all h3cr-a models with the h3cr-ap, input wires must be as short as possible. if the floating capacity of wires exceeds 1,200 pf (approx. 10 m for cables with 120 pf/m), the operation will be affected. pay particular atten- tion when using shielded cables. the h3cr-a @ s transistor output is isolated from the internal cir- cuitry by a photocoupler. therefore, either npn or pnp output is possible. 10 2 5, 6, 7 g, s, r h3cr-a input terminal incorrect ac or dc power supply 5, 6, 7 g, s, r 10 2 input terminal correct h3cr-a ac or dc power supply 10 2 5, 6, 7 g, s, r ry h3cr-a input terminal ac or dc power supply input contact input circuit h3cr-ap ac/dc power supply power supply circuit 10 6 7 2 10 6 7 2 incorrect h3cr-ap power supply h3cr-ap short-circuit current contact or transistor for external input signal 10 6 7 2 10 6 7 2 correct power supply h3cr-ap h3cr-ap short-circuit current contact or transistor for external input signal

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