Honeywell NXL User Manual

Page 94

94(96)

Expander board NXLOPTAI

Hone

ywell

Terminal

Parameter
setting

Description

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

25 RO1/

Common

26 RO1/

Normal
Open

DigOUT:B.1

Relay output 1 (NO)
Switching capacity:

24VDC/8A

250VAC/8A

125VDC/0,4A

28 TI+

DIGIN:B.4

Thermistor input; Rtrip = 4.7 kΩ (PTC), galvanically isolated

29 TI-

Table 11-1. I/O terminals of board NXLOPTAI

Note! The +24 V control voltage terminal can also be used to power the control module (but not the
power module).