30
8011703/XF49/2019-09| SICK
O P E R A T I N G I N S T R U C T I O N S | VICOTEC320
Subject to change without notice
5
INSTALLATION
Fig. 19: Location of LEDs in the connection unit for the analog/digital variant
1 Gateway state
Green LED blinks in operation
Red LED on: CAN bus is connected but not initialized
2 I/O module state
LED1 blinks in I²C bus cycle pulse
LED2 blinks in data transfer cycle pulse
3 Gateway CAN
LEDs blink: Data transfer via CAN bus
LEDs on: No CAN bus connected
4 Gateway I/O
LED1 blinks in I²C bus cycle pulse
LED2 blinks in data transfer cycle pulse
5 Gateway error
LED on: No I/O module found on gateway
or one or more modules failed during operation
6 120 V
7 24 V
8 Reflector heating 24 V
9 CAN bus connection
LED is green: CAN bus terminator is activated.