Product specifications
©2014 Setra Systems, Inc. All rights reserved. The Setra Systems name and logo are registered trademarks of Setra Systems, Inc. Phone: 800-257-3872 • Fax: 978-264-0292 • setra.com
DIFFERENTIAL PRESSURE
55
SPECIFICATIONS
Technical Communications
Service Type Single Phase, Three Phase-Four Wire (WYE), Three Phase-Three Wire (Delta) Direct BACnet TP, BACnet MS/TP, Modbus TCP, Modbus RTU
Power From L1 Phase to L2 Phase. 80-600VAC CAT III 50/60Hz, 70 mA Max. Non-
user replaceable .5 Amp internal fuse protection
Max Distance 1200 meters with data rate of 100K bits.second of less
Power Out Unregulated 5VDC output, 500 mA Max Baud Rate 9600 (Modbus default), 19200, 38400, 57600, 76800
(BACnet default), 11200
Voltage Channels 80-346 Volts AC Line-to-Neutral, 600V Phase-to-Phase, CAT III Data Bits 8
Current Channels 3 or 24 Channels, 0.67 VAC max, 333 mV CTs, 0-5,000 Amps depending on CT Parity None, Even, Odd
Maximum Current Input 200% of current transducer rating (mV CTs)
Measure up to 5000A with Patrol Flex
Stop Bit 2, 1
Measurement Type True RMS using high-speed digital signal processing (DSP) Data Formats Modbus or BACnet
Line Frequency 50/60 or 400Hz
Mechanical
Waveform Sampling 12 kHz Operating Temperature -7
o
to 60
o
C (-20
o
to 140
o
F)
Parameter Update Rate 1 second Humidity 5% to 95% non-condensing
Measurements Volts, Amps, kW, kWh, kVAR, kVARh, kVA, aPF, dPF. Enclosure (optional) PC UL 94 5V
Accuracy 1% (<0.5% typical) for V, A, kW, kVAR, kVA, PF. Weight without enclosure: 369g (13oz)
with enclosure: 610g (21.5oz)
Resolution 0.01 Amp, 0.1 Volt, 0.01 watt, 0.01 VAR, 0.01 VA, 0.01 Power Factor depend-
ing on scalar setting
Dimensions without enclosure: 25.5 x 16.5 x 3.2 cm (10.0” x 6.5” x 1.3”)
with enclosure: 27.8 x 18.8 x 13.0 cm (10.9” x 7.4 “ x 5.1”)
LED Indicators Bi-color LEDs (red and green): 1 LED to indicate communication, 3 LEDs for
correct CT-to-phase installation (per meter element)
Safety
Pulse Output Open Collector, 75mA max current, 40V max open voltage Power Patrol Serial and
Ethernet
UL Listed and CE Mark, Conforms to UL Std 61010-1,
Certied to CSA Std C22.2 No. 61010-1
Modbus Register/BACnet Object Descriptions (Partial List)
System True Energy (kWh) Individual Phase to Phase Voltages
Instantaneous Total True Power (kW) Line Frequency (Hz)
Peak Demand (Adjustable Window) (kW) Individual Phases True Energy (kWh)
Maximum Instantaneous Power (kW) Individual Phases True Power (kW)
System Reactive Energy (kVARh) Individual Phases Reactive Energy (kVARh)
System Apparent Energy (kVAh) Individual Phases Reactive Power (kVAR)
System Apparent Power (kVA) Individual Phases Apparent Energy (kVAh)
System Displacement Power Factor (dPF) Individual Phases Apparent Power (kVA)
System Apparent Power Factor (aPF) Individual Phases Apparent Power Factor (aPF)
Average Current (Amps) Individual Phases Displacement Power Factor (dPF)
Average Line to Line Voltage (Volts) Individual Phases Current (Amps)
Average Line to Neutral Voltage (Volts) Individual Phases Line to Neutral Voltages (Volts)
Multiple Meters External Data Synchronization Individual Phases Line to Line Voltages (Volts)
Ordering Information
for Setra Power Patrol
SPS24 - Setra Power Squad 24 Enclosure
E - Enclosure
N - No Enclosure
S P S 2 4
Communication Port
E - Ethernet & Serial
Power Squad 24
Multi-Circuit Power Meter