28 Serial/Industrial Interface Kit Installation Instructions
Chapter 4 — Industrial Interface
Digital Opto In
e status of the digital IN ports can be read using PORTIN functions.
If a current is led through the optocoupler of the port, PORTIN returns
the value -1 (true), else it returns the value 0 (false).
Signal Description Min. Typical Max.
Vin [High] Input Voltage High 10V 24V 40V
Vin [Low] Input Voltage Low -1V 0V 1V
Connector Confi guration
e Fingerprint reference numbers inside the parentheses refer to a second
Serial/Industrial interface board.
Pin Signal Description Fingerprint Ref. No.
10 IN1A Anode Opto In Channel 1 + 101 (301)
40 IN1K Cathode Opto In Channel 1 -
26 IN2A Anode Opto In Channel 2 + 102 (302)
11 IN2K Cathode Opto In Channel 2 -
41 IN3A Anode Opto In Channel 3 + 103 (303)
27 IN3K Cathode Opto In Channel 3 -
12 IN4A Anode Opto In Channel 4 + 104 (304)
42 IN4K Cathode Opto In Channel 4 -
28 IN5A Anode Opto In Channel 5 + 105 (305)
13 IN5K Cathode Opto In Channel 5 -
43 IN6A Anode Opto In Channel 6 + 106 (306)
29 IN6K Cathode Opto In Channel 6 -
14 IN7A Anode Opto In Channel 7 + 107 (307)
44 IN7K Cathode Opto In Channel 7 -
30 IN8A Anode Opto In Channel 8 + 108 (308)
15 IN8K Cathode Opto In Channel 8 -
Simplifi ed schematics of a digital IN port.
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