ETA Systems ETA-ECM20M Manuel - Page 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
ETA-ECM20
ETA-ECM20
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
ETA-ECM20
ETA-ECM20
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