Epson RC620 CU - I;O Connector; Input Circuit

Setup & Operation 9. I/O Connector
52 RC620 Rev.8
9. I/O Connector
The I/O connector is for connecting your input/output equipment to the system.
Pins
Bit number
Control Unit
Input
24
0 to 23
Output
16
0 to 15
Drive Unit 1
Input
24
32 to 55
Output
16
32 to 47
Drive Unit 2
Input
24
256 to 279
Output
16
256 to 271
For details of the expanded I/O to be installed to the Special slot, refer to Setup &
Operation 11.2. Expansion I/O Board.
For cable wiring, refer to the Setup & Operation 3.5 Noise Countermeasures in order to
prevent noise.
9.1 Input Circuit
Input Voltage Range : +12 to 24 V ±10%
ON Voltage : +10.8 V (min.)
OFF Voltage : +5 V (max.)
Input Current : 10 mA (TYP) at +24 V input
Two types of wiring are available for use with the two-way photo coupler in the input
circuit.