92 • vacon
board opt-ai
Telephone: +358-201-2121 • Fax: +358-201-212 205
11
I/O terminals on OPT-AI
Terminal
Parameter
setting
Description
X4
12
+24V
Control voltage output; voltage for switches etc, max. 150 mA
13
GND
Ground for controls, e.g for +24 V and DO
14
DIN1
DIGIN:B.1
Digital input 1
15
DIN2
DIGIN:B.2
Digital input 2
16
DIN3
DIGIN:B.3
Digital input 3
X2
25 RO1/
Common
26 RO1/
Normal
Open
DigOUT:B.1
Relay output 1 (NO)
Switching capacity:
24VDC/8A
250VAC/8A
125VDC/0,4A
X3
28 TI+
DIGIN:B.4
Thermistor input; Rtrip = 4.7 k (PTC)
29 TI-
Table 11-1. I/O terminals of board OPT-AI
Note! The +24 V control voltage terminal can also be used to power the control module (but not the
power module).