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

FX2N-32DP-IF Profibus-DP Interface Unit
8.2

Check the Status of the LEDs for 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 8.1: POWER LED Check
Status
Lit
Otherwise
2) Check the status of the "RUN LED"
Table 8.2: RUN LED Check
Status
Lit
Otherwise
3) Check the status of the "BF LED"
Table 8.3: BF LED Check
Status
Unlit
Otherwise
4) Check the status of the "DIA LED"
Table 8.4: DIA LED Check
Status
Unlit
Otherwise
Power source is OK.
Possible AC power failure, check AC 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.
32DP-IF will exchange data with Profibus-DP network.
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 8.6.
Diagnostic data is not detected.
Check status of M8004, and DP-master setting.
If M8004 is ON, refer to Table 8.6.
Description
Description
Description
Description
Diagnostics 8
8-2