Possible indicator combinations of status LEDs and their meanings:
PWR
EXT
ERR
fast
6.2. LEDs for safe signal inputs/outputs
The state at each of the 20 safe inputs and 4 safe outputs is indicated by an LED on the front plate of the
device.
LED
For each input
"I0" to "I19"
For each output
"O0" to "O3"
CFG
Meaning
Device is switched off:
No power supply at A1 and A2
Initialization phase after switching on
(lasts 4 s maximum)
Initial startup state
Acknowledgment of new configuration required after
:
downloading:
slow
• Press the CONFIRM button on the device.
:
Acknowledgment of a new configuration
(transfer via AC-MSI-CFG1 data memory module)
fast
:
Change of extension devices; acknowledgement required;
• Press the CONFIRM button on the device.
slow
Normal operation with no extension devices connected
(DIN rail connector communication)
Normal operation with extension devices connected
(DIN rail connector communication)
Restricted operation with errors in at least one IO
• Resolve error; deactivate IO;
• Press the CONFIRM button on the device to reset the error
message.
No configuration data on the AC-MSI-CFG1 data memory module
• Load project with MSIsafesoft.
AC-MSI-CFG1 data memory module not present.
• Insert AC-MSI-CFG1 data memory module and introduce
power supply.
Error present.
:
• Please read out the error code via MSIsafesoft.
State
Meaning
There is no switching signal at the relevant input.
The switching signal is active at the input.
Diagnostics error (see user manual for error code)
Output is inactive
Output active
Diagnostics error (see user manual, e.g., no power supply
present, cross circuit or overload)
19