Intermec EasyCoder 501 XP & 601 XP – Service Manual
144
Chapter 16 Interfaces
16.5 Serial/Industrial
Interface Board, cont.
Digital Opto Out
The current to each optocoupler of the digital OUT ports 221-228
can be turned on and off by means of PORTOUT ON/OFF state-
ments.
The status of the ports can be read by means of PORTIN functions.
If a current is led through the optocoupler of the port, PORTIN
returns the value -1 (true), else the value 0 (false).
Signal Description Max.
Vceo Collector-Emitter breakdown voltage 35V
Veco Emitter-Collector breakdown voltage 7V
Collector Current 15 mA
Vog Output to ground (optocoupler) 100V
Connector Confi guration
Pin Signal Name Description
Fingerprint Ref. No.
20 Out1c Collector Opto Out Channel 1 221
5 Out1e Emitter Opto Out Channel 1
35 Out2c Collector Opto Out Channel 2 222
21 Out2e Emitter Opto Out Channel 2
6 Out3c Collector Opto Out Channel 3 223
36 Out3e Emitter Opto Out Channel 3
22 Out4c Collector Opto Out Channel 4 224
7 Out4e Emitter Opto Out Channel 4
37 Out5c Collector Opto Out Channel 5 225
23 Out5e Emitter Opto Out Channel 5
8 Out6c Collector Opto Out Channel 6 226
38 Out6e Emitter Opto Out Channel 6
24 Out7c Collector Opto Out Channel 7 227
9 Out7e Emitter Opto Out Channel 7
39 Out8c Collector Opto Out Channel 8 228
25 Out8e Emitter Opto Out Channel 8
Simplifi ed schematics of a digital OUT port.
VCC
1
2
16
15
5
P4
20
OUT1e
OUT1c
R34
IC13A
TIL193B