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10.1.2 Connections
The program unit board has the following connections:
Board connector
Function
M-COM
Communication, motor control (not used)
D-BUS
Databus
D-BUS
Databus
TACHO
Tachometer (not used)
COIN
Coin meter (coin 1, coin 2, blocking)
EMERG / INP 1
Input
FREE / INP 2
Free program (key switch) / Input
RS 232
Serial communication
ENC
Control knob (pulses)
USB TYPE B
Connection for software / service download
PIN CONNECTOR
Panel sign connector
fig.W00283
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10.1.3 Replacement of program unit
Disconnect the power to the machine.
Demount the top panel.