Intermec EasyCoder 501 XP & 601 XP – Service Manual
145
Chapter 16 Interfaces
16.5 Serial/Industrial
Interface Board, cont.
Simplifi ed schematics of a relay OUT port.
VCC
2
5
1
4
3
31
1
16
13
4
REL1com
REL1no
REL1nc
REL1B
REL1A
P4
ULN2003A
IC12D
1
0.5
0.1
10
20
30
40 50
100
DC Voltage (VDC)
a: resistive load
b: inductive load L/R=20 ms
DC current (A)
a
b
Relay Out
The relays of the OUT ports 201-204 can be individually activated
by means of PORTOUT ON/OFF statements.
The status of the ports can be read by means of PORTIN functions.
If a relay is activated, PORTIN returns the value -1 (true), else the
value 0 (false).
Max AC Load Breaking Capacity
Signal Description Max.
I Current 1A
Psw AC Switching power 100VA AC
Usw AC Switching voltage 100V AC
Max DC Load Breaking Capacity
Connector Confi guration
Pin Signal Name Description Fingerprint Ref. No.
16 REL1nc Relay 1 Normally Closed 201
1 REL1no Relay 1 Normally Open
31 REL1com Relay 1 Common
17 REL2nc Relay 2 Normally Closed 202
2 REL2no Relay 2 Normally Open
32 REL2com Relay 2 Common
18 REL3nc Relay 3 Normally Closed 203
3 REL3no Relay 3 Normally Open
33 REL3com Relay 3 Common
19 REL4nc Relay 4 Normally Closed 204
4 REL4no Relay 4 Normally Open
34 REL4com Relay 4 Common
Содержание EasyCoder 501XP
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