Mitsubishi Electric MELSEC FX2N-32DP-IF, Hardware Manual

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FX2N-32DP-IF Profibus-DP Interface Unit Diagnostics 5
5-2
5.2 Check the Status of the LEDs of the 32DP-IF
If the 32DP-IF does not seem to operate normally, check the following items.
For error flags, error codes, and device explanation, refer to FX
2N
-32DP-IF User’s Manual.
1) Check the status of the “POWER LED”.
2) Check the status of the “RUN LED”
Table 5.1: POWER LED Check
Status
Description
Lit Power source is OK.
Unlit Possible AC or DC power failure, check power line and power source.
Table 5.2: RUN LED Check
Status
Description
Lit
The 32DP-IF will exchange data with extension units/blocks and special function
blocks.
Unlit
The 32DP-IF will exchange only input data with extension units/blocks. Check
position of the RUN/STOP switch. If the switch is in the STOP position, change
to RUN.