the 4002alm trip-amplifier can accept a wide range of input types. the unit can have up to two relay outputs and can also produce an isolated 4-20ma retransmission output n wide range of configurable inputs n configurable trip action with fail-safe modes n optional isolated re-transmission n optional isolated transmitter supply n optional led display or 0-10v signal output of input and setpoints values dual trip amplifiers 4002alm options and ordering codes hl 4002alm C a hl a b c d e f g h p q r s t u w 1 2 3 4 5 6 7 4-20ma hl 0-20ma hl 0-30ma 2 sec delay hl 0-1ma hl 0-5vdc hl 1-5vdc hl 0-10vdc hl 18-26vdc tc type k 0-150?c tc type k 0-200?c tc type k 0-250?c tc type k 0-500?c tc type k 0-600?c tc type k 0-1200?c tc type j 0-250?c y rtd pt100 3 wire 100?c z rtd pt100 3 wire 50?c rtd rtd rtd rtd rtd rtd rtd pt100 3 wire 30?c pt100 3 wire 0-50?c pt100 3 wire 0-100?c pt100 3 wire 0-150?c pt100 3 wire 0-200?c pt100 3 wire 0-250?c pt100 3 wire 0-400?c input type other ranges and thermocouple types are available as detailed in the product description, please contact our sales department. xx C a 4 ab a 4-20ma re-transmission x no re-transmission output options 4 230/115vac 6 24vdc supply type a led display b tx supply ab led and tx supply options
4002alm 10. input -ve t/c -ve rtd -ve 11. input +ve t/c +ve rtd +ve 12. t/c shield rtd 3rd wire 1. output -ve 2. output +ve 24. power input -ve 25. power input +ve 13. trans supply -ve 14. trans supply +ve 15. relay 1 n/c 16. relay 1 n/o 17. relay 1 common 18. relay 2 n/c 19. relay 2 n/o 20. relay 2 common specifications dimensions and connections description the 4002alm trip-amplifier can accept a wide range of inputs including 4-20ma, thermocouple, rtd and voltage types. the unit can have up to two relay outputs and each can operate as a high or low trip. the unit can also produce an isolated high level output. the relay outputs are single pole change-over relays with mains voltage rating. each trip can be configured so that the alarm condition can be above or below the setpoint. the relays can be energised or de-energised in the alarm condition, satisfying fail-safe and non-fail-safe applications. in addition the alarm leds can be selected to light when the relay is either on or off. the input stage is isolated as standard with the inputs user-reconfigurable to cover several different ranges if specified at point of order. in addition there is an optional isolated transmitter supply of 24vdc, suitable for exciting most standard transmitters. the following applications are also possible: one output relay is energised when the input reaches the high setpoint and is latched on until the lower setpoint is reached. the reverse operation is also possible. this is ideal for applications such as pumping out. all the above options are user-configurable but can be specified at point of order. default configuration is set to hi/hi alarms with led on when relay energised. please specify at time of ordering if other combinations are required. inputs the input types and ranges following are our standard ones only. contact sales for others. 4002alm - hl for dc current and voltage 0-20ma, 4-20ma, 0-10ma into 15 /30 0-1v, 0-10v, 1-5v, into 100k /1m min and max full scale ranges: dc current 0 to 50a 0 to 10a dc voltage 0 to 100mv 0 to 300v note: for input voltages greater than 30vac or 60vdc a divider unit must be specified. 4002alm - tc for thermocouples types e, j, k, n, r, s and t non-linearised ranges 0-250, 0-500, 0-1200?c (others available) auto cold junction compensation. open cct t/c can drive either upscale or downscale 4002alm - rtd for resistance thermometers 2 or 3 wire pt100 or other, linearised output ranges 0-250, 0-500, -100-100?c (others available) outputs mains rated relays 03a resistive at 240vac dc current and voltage 0-20ma, 4-20ma, 0-10ma into 750 0-1v, 0-10v, 1-5v into a minimum 2k parameter min typ max comments supply voltage 24vdc options: 24vdc or 24vac, 110vac, 240vac supply current 20ma 50ma 160ma 24v supply (max if both relays energised) input impedance (volt) 100k 1m 10m dependent on range (typ=10v) input impedance (ma) 0.02 15 5k dependent on range (typ=20ma) volt drop (ma input) 0.3 0.35 at 20ma input on 0(4) to 20ma range trip point accuracy 0.25% temperature coefficient 100ppm/?c trip point drift 100ppm/?c relay response time 10ms signal response 300ms for t/c, 30ms others operating ambient 0?c 55?c relative humidity 0% 90% isolation voltage 1kv surge voltage 2.5kv for 50s transient of 10kv/s notes setpoints are adjusted by 20 turn potentiometers on the front panel. setpoints can be checked by measuring 0-10v (0-100%) voltage on the front panel terminals. h/h, h/l, l/h, ll, fail-safe, non-fail-safe and led options are user selectable using internal links. hysteresis is set at 1.0% but other values are possible, please specify if required. the process input level is available as 0-1v (0-100%) on front panel or on 3 digit led display. figures based on hl version, 24vdc supply, 20?c ambient.
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