ABB Switzerland Ltd
1KHW001489-EN
ETL600
Although the relay contacts are of the 'heavy-duty' type, external
precautions have to be taken for limiting the circuit current.
3.3.2.5. Frontplate
AL
TPS
G4AI
0
12
RESET
RDY
IN1
REL1
2
8
9
3
!
OUT1
OUT2
OUT3
OUT4
REL2
IN2
IN3
IN4
'AL' LED
red:
Module hardware alarm
On if a hardware alarm on the module is detected.
'RDY' LED
green:
Module ready
On as long as the module is in normal operation mode.
'
U
'
LED yellow:
Module warning
On as long as the module is not in normal operation
mode and no module alarm is present.
'IN1 ... IN4'
LEDs green:
Input 1, 2, 3, or 4
On as long as input 1, 2, 3 or 4 is active.
'OUT1 ... OUT4' LEDs green:
Output 1, 2, 3 or 4
On as long as solid state output 1, 2, 3 or 4 is active.
'REL1, REL2'
LEDs green:
Relay 1, Relay 2
On as long as relay output 1 or 2 is active.
'RESET' Push
button:
Reset
When pressed, the module resets and fetches
configuration data from flash EPROM.
Fig. 3-14
Frontplate G4AI
3-22
November 2005
Structure and Function
Summary of Contents for ETL600
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