Check The Status Of The Leds Of The 32Dp-If - Mitsubishi FX2N-32DP-IF User Manual

FX2N-32DP-IF Profibus-DP Interface Unit
9.2

Check the Status of the LEDs of the 32DP-IF

If the 32DP-IF does not seem to operate normally, check the following items.
1) Check the status of the "POWER LED".
Table 9.1: POWER LED Check
Status
Lit
Unlit
2) Check the status of the "RUN LED"
Table 9.2: RUN LED Check
Status
Lit
Unlit
3) Check the status of the "BF LED"
Table 9.3: BF LED Check
Status
Lit
Unlit
4) Check the status of the "DIA LED"
Table 9.4: DIA LED Check
Status
Lit
Unlit
Power source is OK.
Possible AC power failure, check the power line and power source.
The 32DP-IF will exchange data with extension units/blocks and special function
blocks.
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.
If this switch is RUN position, check power supply for special function blocks and
extension I/O units/blocks.
Check D8024. If D8024 does not show a stable baud rate (i.e. always changing) then
check DP-network cables.
Check M8004. If M8004 is ON, refer to Table 9.6.
32DP-IF will exchange data with Profibus-DP network.
Check status of M8004, and DP-master setting.
If M8004 is ON, refer to Table 9.6.
Diagnostic data is not detected.
Description
Description
Description
Description
Diagnostics 9
9-2