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iES22GF User’s Manual
14
iS5 Communications Inc.
Terminal block are listed in the table below.
Terminal
Number
Description
Connection
1
PWR1 (L) – Live
Connect to the (Live) of DC power supply 1 or (Live)
terminal of an AC power source.
2
PWR1 (G) – Ground
DC Power supply 1 ground connection or AC power
round connection.
3
PWR1 (N) – Neutral
Connect to the Neutral of the DC power supply 1 or
(Neutral) terminal of an AC power source.
4
G – Chassis Ground
Connected to the ground bus for DC inputs or
Safety Ground terminal for AC Units. Chassis
Ground connects to both power supply surge
grounds via a removable jumper.
5
PWR2 (L) – Live
Connect to the (Live) terminal of Power supply 2 or
backup DC power source.
6
PWR2 (G) – Ground
Power supply 2 or backup DC power source ground
connection.
7
PWR2 (N) – Neutral
Connect to the (Neutral) terminal of Power supply
2 the second or backup DC power source.
8
RLY NO
Failsafe Relay, (Normally Open) contact.
9
RLY CM
Failsafe Relay (Common) contact.
10
RLY NC
Failsafe Relay (Normally Closed) contact.
Chassis Ground Connection
The iES22GF chassis ground connection, located next to the terminal block, uses a #6-32 Screw. We
recommend terminating the ground connection using a #6 ring lug, and a torque setting of 15 in.lbs
(1.7Nm).
100-240VAC rated equipment: A 250VAC appropriately rated circuit
breaker must be installed.
Equipment must be installed according to the applicable country wiring
codes.
When equipped with a HI voltage power supply and DC backup,
independent sources can be used to power the product for greater
redundancy.
120-370VDC rated equipment: A 370VDC appropriately rated circuit
breaker must be installed.
A circuit breaker is not required for DC power supply voltages of 10-48VDC.
For Dual DC power supplies, separate circuit breakers must be installed and
separately identified.
Equipment must be installed according to the applicable country wiring
codes.
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