Intermec EasyCoder 601 XP Service Manual page 123

Chapter 16 Interfaces
16.5 Industrial
Interface Board, cont'd.
122
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 Configuration
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
Simplified schematics of a relay OUT port.
Intermec EasyCoder 601 XP – Service Manual Ed. 3
Max.
1A
100VA AC
100V AC
a
40 50 100
DC Voltage (VDC)
2 1
4
3
REL1B
5
Fingerprint Ref. No.
201
202
203
204
P4
16
REL1nc
1
REL1no
31
REL1com