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
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