ETA Systems ETA-ECM20M Manuale - Pagina 12

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Electrical Housing for ETA-ECM20/ETA-ECM20M

ETA-ECM20, ETA-ECM20M MODULE SYSTEM WIRING CONFIGURATIONS

Example 1 - Single 20A AC Line

ECM wiring configuration showing one 20A AC main line coming into an ETA-ECM20M then paralleling with 5 ETA-ECM20 type

modules. Note: It appears that the wiring is in series but the ECM Module In/Out terminals are in parallel on the PCB.

ETA-ECM20

Example 2 - Dual 20A AC Line (40A)

ECM wiring configuration showing two 20A AC main line coming into the raceway for a total of 40A available. The 20A legs are

separated by feeding a 20A leg to two different ETA-ECM20M Modules. The leg is then paralleled with two ETA-ECM20 type modules.

Note: It appears that the wiring is in series but the ECM Module In/Out terminals are in parallel on the PCB.

ETA-ECM20

ECM MODULES CONNECTION TO AN ETA-ECS6RM CONTROLLER

ETA-ECS6 CONTROL PORTS FOR ECM MODULES

Up to 6 AC Main circuits can be activated or monitored by the ETA-ECS6RM. Each ECM control port connects to one of the following

ECM modules, ETA-ECM20M, ETA-15SH, ETA-20SH and the ETA-ECM20. For connection between the ETA-ECS6RM and an ECM

module use a 5 conductor cable that is a minimum of 22 gauge wire. We suggest using CAT5 cable due to the common availability. Pay

special attention to the port connections and DO NOT MISWIRE or damage may occur. The distance between the ETA-ECS6RM and

an ECM module can be up to 1000ft.

5VDC

G Circuit Ground

V AC Voltage Status Signal

A AC Current Status Signal

D Fault Status Signal, all signals are of low voltage and current

ETA-RACEWY6

ETA-ECM20

1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A.

Telephone: 800-321-6699 • Fax: 800-996-3821

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Specifications are subject to change without notice.

ETA-ECM20

Single ETA-ECM20

Control Port

AC Main

ETA-ECM20

in 20A

AC main

in 20A #1

ETA-ECM20

AC main

in 20A #2

etasys.com