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LED
Display
Description
1
Off
Pin 2 is not used/deactivated
Yellow
Pin 2 is configured as a binary signal: 24V
- DI visible in process data
- DO can be switched via process data
Red
Pin 2 is configured as DO:
Overload/Short-circuit on pin
Flashing red
(1 Hz)
Overload/Sensor supply short-circuit
Table 2: LEDs for bus system and status
LED
Display
Description
MF
Off
Module is switched off
Red
System error
Flashing red
(1 Hz)
Error in configuration or inconsistent configuration
Flashing green
(1 Hz)
No data exchange standby – module not configured
Green
Module in operation
NS
Off
Module is switched off
Red
System error IP address already in use
Flashing red
(1 Hz)
DCP signal service is initiated via bus. At least one connection has
timed out.
Flashing green
(1 Hz)
No connection to the master
Green
Connection to master present
ST
Green
Module operating without errors
Flashing green
(4 Hz)
The operation requested by the position of the rotary switch is
performed. Do
not
switch off the device
.
Flashing red
(1 Hz)
Invalid rotary switch position. System does not start.
Red
Initialization error:
•
Rotary switch operation failed etc.
•
Hardware problem
•
No valid configuration
Table 3: LEDs for Ethernet communication
LED
Display
Description
LNK1 +
LNK2
Off
No connection to network
à Check cable connections
Green
Connection to network present
ACT1 +
ACT2
Off
Module is
not
sending/receiving Ethernet frames
à Check cable connections
Yellow flashing
Module is sending/receiving Ethernet frames
PRODUCT DESCRIPTION
3
8027836./2022-06-10 | SICK
O P E R A T I N G I N S T R U C T I O N S | Sensor Integration Gateway - SIG350
13
Subject to change without notice