Indicators
Original instructions
Overview
The High End processors use two types of indicators:
  1. LCD display: The Default Screen serves as a Controller status screen.
  2. LED Indicators: The functionality of the LEDs is described in a table after the figure.
The following figure shows the two types of indicators.
1 
LCD Display (lens cover closed)
2 
LED Indicators
LED Description
The following table shows the description for the LED indicators of the different High End CPU modules.
LEDs
Indication
Standard Processors 140 CPU 65• •0 / 140 CPU 651 60S
Hot StandBy Processors 140 CPU 67• 6• / 140 CPU 671 60S
COM (yellow)
Controlled by the Coprocessor hardware
  • Indicates Ethernet activity
Controlled by the Coprocessor hardware
  • Indicates Primary or Standby activity
STS (yellow)
Controlled by the Coprocessor software
Controlled by the Coprocessor firmware
  • Blinking: system is redundant and data are exchanged from the Primary to Standby controller
  • ON: system not redundant / Copro booting from power-on to end of self-tests
  • OFF: Copro auto tests were not successfull
ON
Normal
OFF
Copro auto tests unsuccessful. Possible hardware problem.
Flashing:
1 Flash
Configuration in progress.
Temporary situation.
2 Flashes
Invalid MAC address
3 Flashes
Link not connected
4 Flashes
Duplicate IP Address. Module is set to its default IP address.
5 Flashes
Waiting for IP address from address server
6 Flashes
Invalid IP address. Module is set to its default IP address.
7 Flashes
Firmware incompatibility between PLC OS and Copro firmware