2-3
2-1-2 Wiring Check without I/O Monitor
• If no I/O monitor is available, use a multimeter and check the voltage as shown in the following dia-
gram.
• There will be a voltage between the terminals if the output transistor is ON. The reading of the multime-
ter will be 0 V if the output transistor is OFF.
Output
Power supply
Input
Multimeter
Voltage is ON : Output transistor ON
0 V : Output transistor OFF
Connection to Position Control Unit Chapter 2
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