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Energy Management Modular Power Quality Analyzer Type WM23-96
* Accuracy 0.5 F.S. (current/voltage) * Three-phase modular power analyzer * Backlighted LCD 4x3 1/2 DGT Display * Front size: 96x96 mm * Measurements of phase and system variables: W, Wdmd, var, VA, VAdmd, PF, VL-N, VL-L, A, An, Hz, THD-A, THD-V * TRMS measurement of distorted waves (voltages/currents) * Measurement of MAX values: W L1, W L2, W L3, W, Wdmd (AL1-AL2-AL3 max on request) * Measurement of MIN values: PF L1, PF L2, PF L3, PF * Harmonic analysis (FFT) up to the 16th harmonic (current and voltage) * Instantaneous variables read-out: 4x3 1/2 digit * Up to 2 optional relay or open collector outputs * 1 optional analogue output * MODBUS, JBUS Protocol * Protection degree (front): IP 65 * Universal power supply: 18-60VAC/VDC, 90-260 VAC/VDC
* Phases asymmetry control * Optional RS 232 serial port * Optional RS 422/485 serial port
Product Description
P-based three-phase modular power quality analyzer with built-in programming key-pad. Particularly recommended for a detailed analysis of the electrical variables and of the power quality. Housing for panel mounting and IP65 (front) protection degree.
Ordering Key
Model Range Code System Power Supply Slot A Slot B Slot C Slot D Options
WM23-96AV53H XX XX XX XX X
Type selection
Range code 208VLL/5(6)AAC -20% Un +20% AV5: 400VLL/5(6)AAC -20% Un +15% AV6: 100VLL/5(6)AAC -20% Un +15% AV7: 660VLL/5(6)AAC -30% Un +15% 50-60 Hz for all input modules. Module not removable. AV4: System 3: Three-phase, unbalanced load, with or without neutral Slot A (signal retransmission) XX: A1: A2: A3: A4: B1: B2: B3: B4: V1: V2: Power supply A: B: C: D: L: H: 24 VAC -15 +10% 50-60Hz 48 VAC -15 +10% 50-60Hz 115VAC -15 +10% 50-60Hz 230 VAC -15 +10% 50-60Hz 18 to 60VAC/VDC 90 to 260VAC/VDC V3: V4: W1: W2: W3: W4: None Single analogue output, 20mADC Single analogue output, 5mADC Single analogue output, 10mADC Single analogue output, 20mADC Dual analogue output, 20mADC Dual analogue output, 5mADC Dual analogue output, 10mADC Dual analogue output, 20mADC Single analogue output, 10VDC Single analogue output, 1VDC Single analogue output, 5VDC Single analogue output, 10VDC Dual analogue output, 10VDC Dual analogue output, 1VDC Dual analogue output, 5VDC Dual analogue output, 10VDC Slot B (communication) XX: S1: None Serial port, RS485 multidrop, bidirectional Slot C (redundant output or digital inputs) XX: R1: R2: O1: NOTE: max. digital output (alarms and/or pulses): 2, any exceeding output is redundant. NOTE: the second analogue output is intended as redundant type only. O2: D1: D2: None Single relay output (AC1-8AAC, 250VAC) Dual relay output (AC1-8AAC, 250VAC) Single open collector output (30V/100mADC) Dual open collector output (30V/100mADC) 3 digital inputs 3 digital inputs + aux output
Slot D (alarm output) XX: R1: R2: O1: O2: None Single relay output, (AC1-8AAC, 250VAC) Dual relay output, (AC1-8AAC, 250VAC) Single open collector output (30V/100mADC) Dual open collector output (30V/100mADC)
NOTE: with the A, B, C, D types power supply, only an open collector module or a single relay output module can be used. The instrument can be fully equipped only with L and H type power supply.
Options X: S: A: None RS232 serial port displaying and recording of AL1-AL2-AL3 max instead of WL1WL2-WL3 max. Options: S+A above.
Y:
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Input Specifications
Number of analogue inputs Current Voltage Digital Inputs AQ1038 Use 3 4 On request Number of inputs: 3 ( voltage free) Synchronization of the W-VAdmd measurements Input 1: lock of programming Inputs 2 and 3: W-VA dmd measurements synchronization 24VDC/1mA Number of inputs: 3 + inputs power supply Max 20Hz, dutycycle 50% 16V<+Aux<24VDC Max 15mA Min 100k 4000VRMS In=5A; Pn= In* Un Un: F.S. range AV4-5-6-7 (0.5% In +2DGT) (0.5% Un +2DGT) (1% Un +2DGT) 0.1Hz Active power (@ 25C 5C, R.H. 60%) Reactive Power (@ 25C 5C, R.H. 60%) Apparent power (@ 25C 5C, R.H. 60%) Harmonic distortion (@ 25C 5C, R.H. 60%) Additional errors Humidity Temperature drift Display Display refresh time Measurements (1% Pn +2DGT) (2% Pn +2DGT) (1% Pn +2DGT) 3% F (up to 16th harmonic) .S. (F 100%) .S.: 0.3% F from 60% to 90% H.R. .S. 200ppm/C Back-lighted LCD 4x31/2 digit 70 x 38mm 700ms Current, voltage, power, power factor, frequency, harmonic distortion. TRMS measurement of a distorted wave. Direct >200 k >900 k >200 k >900 k
Reading voltage AQ1042 Input frequency Output voltage Output current Open contact resistance Insulation Accuracy (display, RS232, RS485) Current Phase-neutral voltage Phase-phase voltage Frequency
Coupling type Input impedance 208VLL 5(6)AAC (AV4): 400VLL 5(6)AAC (AV5): 100VLL 5(6)AAC (AV6): 660VLL 5(6)AAC (AV7):
Output Specifications
Analogue Outputs Number of outputs Accuracy Range (on request) Up to 1 (+1 redundant) 0.2% f.s. (@ 25C 5C, R.H. 60%) 0 to 20 mADC, 0 to 20 mADC 0 to 10 mADC, 0 to 5 mADC 0 to 10 VDC, 0 to 10 VDC 0 to 5 VDC 0 to 1 VDC Programmable within the whole range of retransmission; it allows the retransmission management of all values from: 0 and 20 mADC, See relevant list 900 ms typical (filter excluded, FFT excluded) 1% acc. to IEC 60688-1, EN 60688-1 500 ppm/C (input+out 600 550 1100 2200 10 k 10 k 10 k 10 k Insulation By means of optocouplers, 4000 VRMS output to measuring input 4000 VRMS output to supply input (on request) Multidrop bidirectional (static and dynamic variables) 2 or 4 wires, max. distance 1200m, termination directly on the instrument 255, selectable by key-pad MODBUS/JBUS (RTU) System and phase variables: see table "display pages" All the configuration parameters, activation of the static output. 1 start bit, 8 data bit, no parity, 1 stop bit 9600 bauds By means of optocouplers, 4000 VRMS output to measuring input 4000 VRMS output to supply input (on request) bidirectional (static and dynamic variables) 3 wires, max. distance 15m, 1 start bit, 8 data bit
RS422/RS485
Connections Addresses Protocol Data (bidirectional) Dynamic (reading only) Static (writing only) Data format Baud-rate Insulation
Scaling factor:
Variables Response time Ripple Total temperature drift put) Load: 20 mADC 20 mADC 10 mADC 5 mADC 10 VDC 10 VDC 5 VDC 1 VDC
RS232 Connections Data format
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Output Specifications (cont.)
Baud-rate Protocol other data Digital outputs no parity, 1 stop bit 9600 bauds MODBUS/JBUS (RTU) as per RS422/485 (on request) To be used as alarms or remote control. (on request) up to 2, independent Up alarm, down alarm see the "List of the variables that can be connected..." from 0 to 100% of the electrical scale from 0 to 100% of the electrical scale 0 to 255s Selectable, normally de-energized and normally energized Output type Relay, SPDT type AC 1-8A @ 250VAC DC 12-5A @ 24VDC AC 15-2.5A @ 250VAC DC 13-2.5A @ 24VDC 150 ms, filter excluded, FFT excluded, setpoint on-time delay: "0 s" By means of optocouplers, 4000 VRMS output to measuring input, 4000 VRMS output to supply input. The outputs can be either relay type or open collector type (VON 1.2VDC/Max. 100mA, VOFF 30VDC Max.). Insulation like relay outputs.
Min. response time Insulation
Alarm outputs Number of outputs Alarm type Variables to be controlled Set-point adjustment Hysteresis On-time delay Relay status
Note
Software Functions
Password 1st level 2nd level Transformer ratio Numeric code of max 4 digits; 2 protection levels of the programming data Password "0", no protection Password from 1 to 1000, all data are protected. CT from 1 to 5000 VT from 1.0 to 1999, where CT x VT 10000 Programmable from 1 to 30 min From 0 to 100% of the input electrical scale 1 to 16 Measurements, alarms, serial port (fundamental variables: V, A, W and their derived ones). Up to 4 by page Page 1: V L1, V L2, V L3, V LN Page 2: V L12, V L13, V L31, V Page 3: A L1, A L2, AL3, An Page 4: PF L1, PF L2, PF L3, PF Page 5: PF L1(min), PF L2 (min), PF L3 (min) Page 6: W L1, W L2, W L3 Page 7: W L1 (max), W L2 (max), W L3 (max) Page 7: "A" option: AL1 (max) AL2 (max) AL3 (max) Page 8: var L1, var L2, var L3 Page 9: VA L1, VA L2, VA L3 Page 10: AL1 (alarm 1) Page 11: AL2 (alarm 2) Page 12: W, PF, var, Hz Page 13: W, PF, VA, Hz Page 14: W (max), PF (min) Page 15: W dmd, VA dmd, r.t. Page 16: W dmd (max), VA dmd (max) Page 17: THD VL1, THD VL2, THD VL3 Page 17: THD AL1, THD AL2, THD AL3
Power demand (dmd) Integration time Filter Filter operating range Filtering coefficient Filter action
Page Variables Three-phase system with neutral
Supply Specifications
AC voltage 90 to 260 VDC/VAC 18 to 60VDC/VAC 24 VAC -15+10% 50-60Hz 48 VAC -15+10% 50-60Hz 115VAC -15+10% 50-60Hz 230 VAC -15+10% 50-60Hz 30VA/12W (90 to 260V) 20VA/12W (18 to 60V)
Power consumption
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General Specifications
Operating temperature Storage temperature Installation category Pollution degree Key-pad lock 0 to +50C (32 to 122F)
(R.H. < 90% non condensing)
Immunity Other standards Safety Product Approvals Connections 5(6)A Housing Dimensions Material Protection degree Weight
-10 to +60C (14 to 140F)
(R.H. < 90% non condensing)
light industry environment EN 61000-6-2 (class A) industrial environment IEC 61010-1, EN 61010-1 IEC 60688-1, EN 60688-1 CE, UL, CSA Screw-type, max 2.5 mm2 wires (2 x 1.5mm2) 96x96x140 mm ABS, NORYL, PC (front) self-extinguishing: UL 94 V-0 Front: IP65, NEMA4x, NEMA12 Connections: IP20 Approx. 400 g (packing incl.)
Insulation Dielectric strength EMC Emissions
Cat. III (IEC 60664) 2 by means of a rotary switch placed behind the display or by means of a contact (in case of presence of the digital inputs module) 4000 VRMS between all inputs/outputs to ground 4000 VRMS for 1 minute EN 61000-6-3 (class A) residential, commercial and
Function Description
Input/analogue output scaling capability Working of the analogue output (Y) versus the input variable (X) - (input/output scaling capability) Figure A The sign of measured quantity and output quantity remains the same. The output quantity is proportional to the measured quantity. Figure D The sign of measured quantity and output quantity remains the same. With the measured quantity being zero, the output quantity has the value Y1 = 0.2 (live zero output).
0 0
50 A 10 mA
100 A 20 mA
0 4
50 A 12 mA
100 A 20 mA
Figure B The sign of measured quantity and output quantity changes simultaneously. The output quantity is proportional to the measured quantity.
Figure E The sign of the measured quantity changes but that of the output quantity remains the same. The output quantity steadily increases from the value X1 to the value X2 of the measured quantity.
-100 kW -10 mA
0 0
100 kW 10 mA
-100 kW 0
0 10 mA
100 kW 20 mA
Figure C The sign of measured quantity and output quantity remains the same. From X0 to X1, the output variable is 0. The range X1...X2 is delineated on the entire output range.
Figure F The sign of the measured quantity remains the same, that of the output quantity changes as the measured quantity leaves range X0...X1 and passes to range X1...X2.
80 V 0
100 V 5 mA
120 V 10 mA
0 -1 V
50 A 0
100 A 1V
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Mode of operation
Waveform of the signals that can be measured
Figure G Sinewave, undistorted Fundamental content 100% Harmonic content 0% 1.1107 | A | Arms =
Figure H Sinewave, indented 10...100% Fundamental content Harmonic content 0...90% Frequency spectrum: 3rd to 16th harmonic
Figure I Sinewave, distorted Fundamental content 70...90% Harmonic content 10...30% Frequency spectrum: 3rd to 16th harmonic
Harmonic Analysis
Analysis principle Harmonic measurement Current Voltage Type of harmonics FFT Up to 16th harmonic Up to 16th harmonic THD (VL1) THD (VL2) THD (VL3) THD (AL1) THD (AL2) THD (AL3) Display pages Others THD % The harmonic distortion can be measured in both 3-wire or 4-wire systems.
Display pages
Variables that can be displayed in case of a three-phase system, 4-wire connection. No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1st variable V L1 V L1-2 A L1 PF L1 PF L1 (min) W L1 W L1 (max) var L1 VA L1 AL 1 AL 2 W W W (max) W dmd W dmd (max) THD V L1 THD A L1 2nd variable V L2 V L2-3 A L2 PF L2 PF L2 (min) W L2 W L2 (max) var L2 VA L2 3rd variable V L3 V L3-1 A L3 PF L3 PF L3 (min) W L3 W L3 (max) var L3 VA L3 4th variable V LN V An PF Notes = system = system An= neutral current = system
With "A" option: AL1-AL2-AL3 max
PF PF PF (min) VA dmd VA dmd (max) THD V L2 THD A L2
var VA r.t.
Hz Hz
variable connected to alarm 1 variable connected to alarm 2 = system = system = system r.t.= symbol of communication Rx/Tx on the serial port total harmonic distortion total harmonic distortion
THD V L3 THD A L3
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Used Calculation Formula
Phase Variables Instantaneous effective voltage Instantaneous effective current
The possible module combinations
Slot A Slot B Slot C Slot D Basic unit Single analogue output Dual analogue output RS485 port Single relay output Single open collector output Dual relay output Dual open collector output 3 digital inputs 3 digital inputs + AUX Basic unit Slot E RS232 port
Instantaneous apparent power Instantaneous active power Instantaneous reactive power Instantaneous power factor
System variables Three-phase active power
The available modules
Equivalent three-phase voltage
Type WM23-96 400V L-L 5A (base) WM23-96 208V L-L 5A (base) WM23-96 100V L-L 5A (base) WM23-96 660V L-L 5A (base) WM23-96 400V L-L 5A (base) WM23-96 208V L-L 5A (base) WM23-96 100V L-L 5A (base) WM23-96 660V L-L 5A (base) 24VAC power supply 48VAC power supply 115VAC power supply 230VAC power supply 18-60VAC/DC power supply 90-260VAC/DC power supply 20mADC analogue output 10VDC analogue output 5mADC analogue output 10mADC analogue output 20mADC analogue output 1VDC analogue output 5VDC analogue output 10VDC analogue output 20mADC analogue output 10VDC analogue output 5mADC analogue output 10mADC analogue output 20mADC analogue output 1VDC analogue output 5VDC analogue output 10VDC analogue output Relay output Relay output Open collector output Open collector output Digital inputs Digital inputs + AUX RS485 serial port (2) RS232 serial port (2)
N. of channels
Three-phase apparent power
Three-phase reactive power
Neutral current Three-phase power factor (TPF) An= AL1+AL2+AL3 Total harmonic distortion Where: i = considered phase (L1, L2 or L3) T = considered variable (V or A) n = harmonic order
"A" opt. "A" opt. "A" opt. "A" opt.
List of the variables that can be connected to:
* Alarm outputs * Analogue outputs
N 1 2 3 4 5 6 7 8 9 10 11 12
Variable
3-phase + neutral VL-N x VL-L x W x var x x VA PF x THD V (1) x x THD A (1) An x x VA dmd x W dmd ASY x
3-phase Note no neutral = system x = system x = system x = system x = system x = system x if FFT is activated x if FFT is activated x x x x x asymmetry
(1) The highest value among the three phases (2) The RS232 communication port works as alternative of the RS485 module.
1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 1 2 1 2 3 3 1 1
Ordering Code AH2300 AH2301 AH2302 AH2303 AH2300A AH2301A AH2302A AH2303A AP1025 AP1024 AP1023 AP1022 AP1021 AP1020 AO1050 AO1051 AO1052 AO1053 AO1054 AO1055 AO1056 AO1057 AO1026 AO1027 AO1028 AO1029 AO1030 AO1031 AO1032 AO1033 AO1058 AO1035 AO1059 AO1036 AQ1038 AQ1042 AR1034 AR1039
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Wiring Diagrams
Single phase Fig. 1
1 3
L2
Fig. 2
1 3
L2
Fig. 3
1 3
L2
5
L3
I
L1
8 L1
7 N
L2 9
10 L3
5
L3
2
4
6
U
I
L1
8 L1
7 N
L2 9
10 L3
5
L3
2
4
6
U
I
L1
8 L1
7 N
L2 9
10 L3
2
4
6
U
L1 N
L1 N
L1 N
CT connection
Direct connection
CT and VT connection
Three-phase - Unbalanced load Fig. 4 Fig. 5 Fig. 6
CT connection (3-wire system) ARON
CT and VT connection (3-wire system) ARON
CT and VT connection (3-wire system)
Fig. 7
Fig. 8
Fig. 9
CT and VT connection (3-wire system)
CT connection (4-wire system)
CT and VT connection (4-wire system)
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Wiring diagrams (optional modules)
1 analogue output (mA)
2 analogue outputs (mA)
1 relay outputs
Open collector output connection. This wiring diagram is valid also for the open collector module with one output. The load resistances (RC) must be designed so that the close contact current is lower than 100mA; the VDC voltage must be lower than or equal to 30VDC.
1 analogue output (V)
2 analogue outputs (V)
2 relay outputs
4-wire connection of RS485 serial port
2-wire connection of RS485 serial port
Wiring diagrams: digital input modules
Connection by means of NPN transistors. Digital input module: AQ1042. Connection by means of PNP transistors. Digital input module: AQ1042.
Connection by means of contacts. Digital input module: AQ1042.
Connection by means of contacts. Digital input module: AQ1038.
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Front Panel Description
and - for value programming - for function selections - for page scrolling 2 2. Display Instantaneous measurements: - 4x3 1/2 digit (maximum read-out 1999) 1 Alphanumeric indications by means of LCD display for: - Displaying the configuration parameters - Displaying all the measured variables. 3. Programming lock It's possible to lock the programming key-pad by means of a rotary switch located behind the instrument into the power supply slot. Turn counterclockwise the switch to lock the proramming 3 key-pad.
1. Key-pad The programming of configuration parameters and the display are easily controlled by means of the 3 push buttons: - "S" to enter into the programming phase and to confirm the password
Dimensions
Specifications are subject to change without notice
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Terminal boards
Single analogue output modules AO1050 AO1051 AO1052 AO1053 AO1054 AO1055 AO1056 AO1057 Digital output modules (20mADC) (10VDC) (5mADC) (10mADC) (20mADC) (1VDC) (5VDC) (10VDC) Dual analogue output modules AO1026 AO1027 AO1028 AO1029 AO1030 AO1031 AO1032 AO1033 (20mADC) (10VDC) (5mADC) (10mADC) (20mADC) (1VDC) (5VDC) (10VDC)
AO1058 Single relay output Other input/output modules
AO1035 Dual relay output
AO1059 Single open collector output
AO1036 Dual open collector output
AQ1038 3 digital inputs
AQ1042 3 digital inputs + aux
AR1034 RS422/485 communication port
Power supply modules AP1021 18-60 VAC/DC power supply AP1020 90-260 VAC/DC power supply
AR1039 RS232 communication port
AP1025 24VAC power supply AP1024 48VAC power supply AP1023 115VCA power supply AP1022 230VCA power supply
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Specifications are subject to change without notice
WM23-96DS 080806

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