UBI EasyCoder 601 XP – Service Manual Ed. 1
125
Chapter 16 Interfaces
16.4 Industrial Interface
Board,
cont'd.
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 Configuration
Pin
Signal Name
Description
UBI 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
Simplified 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