iES24G Series User’s Manual
iS5 Communications Inc.
12
There are also connections for the Failsafe Relay. The Failsafe Relay is rated 1A @ 24VDC. Terminal block
connections are listed in the table below.
Terminal Block
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
NC
No Connection
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.
120-300VDC rated equipment: A 300VDC appropriately rated circuit
breaker must be installed.
A circuit breaker is not required for DC power supply voltages of 12-36VDC.
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.
