The handwheel signal transfer type is set using switch S2-1.
S2-1
Meaning
ON
Differential connection
OFF
TTL interface
Note
Switch S2-2 is reserved for test purposes.
4.5.6
Status displays, MCP 483C PN
LED status displays
For the MCP 483C PN there are 3 LEDs in a row (H1 - H3), which provide information about
the module state:
6
+ + +
Figure 4-10
Status displays
LED
H1 (green)
PowerOK
H2 (green)
PN Sync
H3 (red)
PN Fault
Power OFF
OFF
OFF
OFF
Power ON (voltage is stable)
ON
OFF
OFF
Boot software runs and loads the system software. ON
ON
ON
System software runs.
ON
OFF
OFF
System software runs, no communication to the con‐
troller.
ON
OFF
OFF
System software runs, communication to the con‐
troller, STOP state
ON
ON
OFF
System software runs, communication to the con‐
troller, RUN state
ON
Flashes at
0.5 Hz
OFF
Service cases - hardware
4.5 Machine control panels
Software and hardware
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