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LEDs
The illustration below shows the LEDs on the robot signal exchange proxy:
Significance
Description
The status indicator LED can be used to
identify the following status during star-
tup/power on:
•
Red, solid: Default when power is
available.
•
Red, flashing: Power on self-test
ongoing, operating system is
loading.
•
Green, flashing: Application is
loaded and waiting for communic-
ation.
•
Green, solid: Module is operation-
al.
If the LED does not turn steady green
after 30-60 sec, the status LED can be
used to identify the following issues:
•
No color: Power to the robot signal
exchange proxy is missing.
•
Red, solid: Internal error.
•
Red, flashing: Firmware error or
self-test failure.
•
Green, flashing: Communication
error to another module.
Status LED (bi-colored green/red) for the
robot signal exchange proxy.
MS
Automatic stop LED can be used to
identify the following status:
•
No color (not lit): Automatic stop
input loop is open.
•
Green, solid: Automatic stop input
loop is closed.
Automatic stop LEDs (green)
AS1:Automatic stop LED channel 1
AS2:Automatic stop LED channel 2
AS1 &
AS2
External emergency stop LED can be
used to identify the following status:
•
No color (not lit): External emer-
gency stop input loop is open.
•
Green, solid: External emergency
stop input loop is closed.
External emergency stop LEDs (green)
ES1:External emergency stop LED
channel 1
ES2:External emergency stop LED
channel 2
ES1 &
ES2
Emergency stop output LED can be used
to identify the following status:
•
No color (not lit): Emergency stop
output logic low (0V) status.
•
Green, solid: Emergency stop out-
put logic high (24V) status.
Emergency stop output LEDs (green)
ES1:Emergency stop output LED chan-
nel 1
ES2:Emergency stop output LED chan-
nel 2
ES-
OUT1
& ES-
OUT2
Motors_ON LED can be used to identify
the following status:
•
No color: Motors_ON function is
off.
•
White, solid: Motors_ON function
is on.
•
White, flashing: safety loop is
open, for example after an emer-
gency stop.
Motors_ON LED (white)
MON
Continues on next page
408
Product manual - OmniCore C90XT
3HAC073706-001 Revision: D
© Copyright 2020-2021 ABB. All rights reserved.
7 Troubleshooting
7.3.12 Troubleshooting the robot signal exchange proxy
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