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EMS520 MANUAL VOLUME 2
Rev 1.5 Electrical Wiring Guide
Prepared by Michael L. Kominske
Environmental Monitor Service Inc.
MAY 5, 2017
ENVIONMENTAL MONITOR SERVICE, INC.
POB 4340, Yalesville, CT 06492
[email protected]
Page 1: ...520 MANUAL VOLUME 2 Rev 1 5 Electrical Wiring Guide Prepared by Michael L Kominske Environmental Monitor Service Inc MAY 5 2017 ENVIONMENTAL MONITOR SERVICE INC POB 4340 Yalesville CT 06492 Sales emsc...
Page 2: ...ENT PROTECTION 3 SECTION 1 INSTALLATION ELECTRICAL CONNECTIONS 3 PORT 1 RS485 MODBUS NETWORK WIRING 5 PORT 1 2 INFORMATION 5 SECTION 2 OPTIONAL RELAYS INPUTS 7 OPTIONAL 4 20MA OUTPUTS 8 OPTIONAL SNAP...
Page 3: ...this product based on these examples Due to the great variety of possible applications for this equipment the user must assess the suitability of this product for specific applications Make sure to ha...
Page 4: ...4...
Page 5: ...shield 100 coverage plus a tinned copper braid 65 coverage drain wire UV resistant PVC jacket Impedance of 120 ohms Network cables cannot exceed 1219 meters 4 000 ft If Longer distance is required wi...
Page 6: ...l voltage that exceeds 10V To avoid damaging the system all non isolating device ports should relate to the same ground signal Use shielded twisted pair cables Minimize the stub drop length leading fr...
Page 7: ...20mA output CH4 Aout3 EMS520 Relay Group 2 output wiring list Group 2 Relays In CAL to DAS 6 Minutes 08 Zero solenoid command contact 3 Minutes 09 Span solenoid command contact 3 Minutes 10 High mg Al...
Page 8: ...pplied by the customers Field changes can be made in the setup page Maximum output Loop compliance is 500 Ohms Description Connections Common for mA outputs COM Positive 4 20mA output CH1 Aout0 Positi...
Page 9: ...9 OPTIONAL SNAP IN CONNECTIONS COM for 4 20mA outputs AOUT 0 is Ch 1 AOUT 1 IS Ch 2 AOUT 2 is Ch 3 AOUT 3 is CH 4...
Page 10: ...10 SMART SERVICE MODULE SSM COMPONENTS...
