dacell DN520N - Page 47

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6. BCD Input (Option)
This “BCD interface” option card can be applied on PLC (Programmable Logic Controller), or Score
Board applications.
Each Input circuit is isolated with “Photo-Coupler”, from external devices electrically.
6-1. Circuit Diagram
This Option card can be used for changing Part No. setting from external devices.
13
25
5 4 3 2 1
com 40 10 4 1
17 16 15 14
80 20 8 2
BCD Input Value
D-Sub 9pin No.