Intermec EasyCoder 501 XP Service Manual page 124

16.5 Industrial Inter-
face Board, cont.
Intermec EasyCoder 501 XP – Service Manual Ed. 4
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
I Current
Psw AC Switching power
Usw AC Switching voltage
Max DC Load Breaking Capacity
b
1
0.5
0.1
10 20 30
a: resistive load
b: inductive load L/R=20 ms
Connector Confi guration
Pin Signal Name Description
16 REL1nc Relay 1 Normally Closed
1 REL1no Relay 1 Normally Open
31 REL1com Relay 1 Common
17 REL2nc Relay 2 Normally Closed
2 REL2no Relay 2 Normally Open
32 REL2com Relay 2 Common
18 REL3nc Relay 3 Normally Closed
3 REL3no Relay 3 Normally Open
33 REL3com Relay 3 Common
19 REL4nc Relay 4 Normally Closed
4 REL4no Relay 4 Normally Open
34 REL4com Relay 4 Common
VCC
REL1A
IC12D
4 13
ULN2003A
Simplifi ed schematics of a relay OUT port.
Chapter 16 Interfaces
100VA AC
100V AC
a
40 50 100
DC Voltage (VDC)
2 1
4
3
5 REL1B
Max.
1A
Fingerprint Ref. No.
201
202
203
204
P4
16
REL1nc
1
REL1no
31
REL1com
123