User Manual Section 5
GFK-2958L May 2021
Detailed Description of I/O Modules 343
5.31.1 LED Indicators EP-4264
Green: Communication over the system bus
Red: Module System Fault or Diagnostic Fault
Red: Channel 0 at voltage output: overload short-circuit,
at current output: shunt resistance too high or line break
detected
Red: Channel 1 at voltage output: overload short-circuit,
at current output: shunt resistance too high or line break
detected
Red: Channel 2 at voltage output: overload short-circuit,
at current output: shunt resistance too high or line break
detected
Red: Channel 3 at voltage output: overload short-circuit,
at current output: shunt resistance too high or line break
detected
For error messages refer to Section 12, LED Indicators and Troubleshooting.
Figure 194: Block Diagram EP-4264