ETA Systems ETA-20SH Power Supply User Manual


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Specifications are subject to change without notice.
1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A.
Telephone: 800-321-6699 • Fax: 800-996-3821
ECMDATAWIREANDDISTANCE
The ETA-20SH is one of four different types of ECM Modules requiring the same interface connectivity to the ETA-ECS6RM. All ECM
Modules can be interfaced with the ETA-ECS6RM. 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 and low cost. Heavy gauge
wire or cable with a high voltage rating are not needed because the data signal and supply voltage are low current. Pay special
attentiontotheportconnectionsandDONOTMISWIREordamagemayoccur.ThedistancebetweentheETA-ECS6RMandtheECM
Module can be up to 1000ft.
USING THE ETA-20SH AS A STANDALONE UNIT
The ETA-20SH can be used as standalone unit for local equipment protection. It does not need to be connected to an ETA-ECS6RM to
operate.YoustillgetprotectionagainstACspikesfromshortpowersurgesandyougetalltheEMI/RFIpowerconditioningfiltering.
Without connecting to an ETA-ECS6RM, the ETA-20SH does not utilize the Extreme Voltage Shutdown (EVS) protection and the Voltage
and Current Status readings. To active the ETA-20SH via an external contact closure or switch plate, set the slide switch to “External
Trigger” and apply the contacts across terminals “+” and “D” shorting them together.
REMOTEACTIVATIONVIASWITCHORDCVTRIGGER
The ETA-20SH can be used as standalone units for local equipment protection. It does not need to be connected to a ETA-ECS6RM to
operate.YoustillgetprotectionagainstACspikefromlighteningorshortpowersurgesandyougetalltheEMI/RFIpowerconditioning
filtering. What you do not utilize is the extreme Voltage Shutdown (EVS) protection and Voltage and Current status readings. The ETA-
20SH must be connected to the ETA-ECS6RM to get the entire benefits of the ETA-20SH. To active the ETA-20SH apply DCV 5 -24VDC
to the “+” and “G” terminals.
WIRINGWITHANETA-ECS6RMSEQUENCERCONTROLLER
Example – ETA-ECS6RM wired to 4 ETA-ECM20 or ETA-ECM20M Modules in the Atlas Power ECM-RACEWY6 and two separate ETA-
15SH and ETA-20SH modules.
ETA-20SH
REMOTE
CONTROL
KEY PAD
IN
OUT
SYSTEM CONTROL
LAMP
SYSTEM
MASTER SLAVE1 SLAVE2
0 1 1
0
A
A B C D E
B
0
1
0 1
OFF
ON
NOTE: AFTER CHANGING SWITCH SETTINGS
THE UNIT’S POWER MUST BE RESET
20V DC IN
DELAY TIME
1 SEC 3 SEC 6 SEC
0 1 1
0
C
D
E
E
0
1
ENABLE
EVS
DISABLE
0 1
CHANNEL RELAY CONTACTS REMOTE
ACTIVATION
(NO = NORMALLY OPEN)
A NO
CH6
A NO
CH6
A NO
CH6
A NO
CH6
A NO
CH6
A NO
CH6
RMT V IN
GND
EXTSW
STATUS
SIGNAL
DAVG+
TRIGGER
VOLTAGE
STATUS
SIGNAL
DAVG+
TRIGGER
VOLTAGE
CHANNEL 6
TO/FROM ECM-20
CHANNEL 5
TO/FROM ECM-20
CHANNEL 4
TO/FROM ECM-20
CHANNEL 3
TO/FROM ECM-20
CHANNEL 2
TO/FROM ECM-20
CHANNEL 1
TO/FROM ECM-20
STATUS
SIGNAL
DAVG+
TRIGGER
VOLTAGE
STATUS
SIGNAL
DAVG+
TRIGGER
VOLTAGE
STATUS
SIGNAL
DAVG+
TRIGGER
VOLTAGE
STATUS
SIGNAL
DAVG+
TRIGGER
VOLTAGE
1601 Jack McKay Blvd
Ennis, TX 75119
www.etasys.com
Engineered in the U.S.A.
Made in China
ETA-20SH
AC Power Conditioning & Suppression Module
Wiring for Remote Activation via
Switch or DCV Trigger
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