Table of Contents
Advertisement
LED1 and LED2: Firmware upgrade
CIM 550 with LEDs and buttons
1
2
3
1 s
Pos. Colour
Description
Red and
Firmware upgrade in
1
green, flashing
progress, LED2
simultaneously
Green, flashing
2
For future use
quickly
Red, flashing
3
For future use
quickly
10
3 s
LED3: RS-485 Modbus master
CIM 550 with LEDs and buttons
1
2
3
4
1 s
Pos. Colour
Description
RS-485 is not used: LED is
1
-
off.
RS-485 Modbus RTU
Red, flashing
2
(Master): communication
quickly
failure.
Red,
RS-485 Modbus RTU
3
permanently
(Master): configuration error.
on
RS-485 Modbus RTU
Green, flashing
4
(Master): Modbus is sending
quickly
or receiving data.
During startup, there is a delay of up to 5
seconds before the status of LED1 and
LED2 is updated.
3 s
Advertisement
Table of Contents
