Intermec EasyCoder PX4i Service Manual page 188

Chapter 16 — Interfaces
Industrial Interface Configuration
178
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The Industrial Interface provides:
• 8 digital IN ports with optocouplers (Opto In)
• 8 digital OUT ports with optocouplers (Opto Out)
• 4 OUT ports with relays (Relay Out)
The Industrial Interface has no straps or circuits to be fi tted or removed.
All signals are available on a DB-44pin socket and the various ports are
controlled by the Intermec Fingerprint instructions PORTIN and POR-
TOUT ON/OFF (see Intermec Fingerprint v8.xx, Programmer's Reference
Manual).
Digital Opto In
The 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
Vin [High] Input Voltage High
Vin [Low] Input Voltage Low
Connector Configuration
Pin Signal Name
10 IN1A
40 IN1K
26 IN2A
11 IN2K
41 IN3A
27 IN3K
12 IN4A
42 IN4K
28 IN5A
13 IN5K
43 IN6A
29 IN6K
14 IN7A
44 IN7K
30 IN8A
15 IN8K
The Fingerprint reference numbers inside the parentheses refer to a second
Serial/Industrial interface board.
GND
Simplifi ed schematics of a digital IN port.
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Min.
10V
-1V
Description
Anode Opto In Channel 1 +
Cathode Opto In Channel 1 -
Anode Opto In Channel 2 +
Cathode Opto In Channel 2 -
Anode Opto In Channel 3 +
Cathode Opto In Channel 3 -
Anode Opto In Channel 4 +
Cathode Opto In Channel 4 -
Anode Opto In Channel 5 +
Cathode Opto In Channel 5 -
Anode Opto In Channel 6 +
Cathode Opto In Channel 6 -
Anode Opto In Channel 7 +
Cathode Opto In Channel 7 -
Anode Opto In Channel 8 +
Cathode Opto In Channel 8 -
INA
INK
EasyCoder PX4i and PX6i Service Manual
Typical Max.
24V 40V
0V 1V
Fingerprint Ref. No.
101 (301)
102 (302)
103 (303)
104 (304)
105 (305)
106 (306)
107 (307)
108 (308)