Honeywell NXL - Manual (Page 92)

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10
10. DESCRIPTION OF EXPANDER BOARD NXLOPTAA
Description: I/O expander board with one relay output, one open collector output
and three digital inputs.
Allowed slots:
Honeywell NXL board slot E
Type ID: 16705
Terminals: Two terminal blocks; Screw terminals (M2.6 and M3); No coding
Jumpers: None
Board parameters: None
I/O terminals on NXLOPTAA
Terminal
Parameter
setting Description
X3
1 +24V Control voltage output; voltage for switches etc, max. 150 mA
2 GND Ground for controls, e.g. for +24 V and DO
3 DIN1 DIGIN:x.1 Digital input 1
4 DIN2 DIGIN:x.2 Digital input 2
5 DIN3 DIGIN:x.3 Digital input 3
6 DO1 DIOUT:x.1 Open collector output, 50mA/48V
X5
24 RO1/NC DIOUT:x.2
25 RO1/C
26 RO1/NO
Relay output 1 (NO)
Switching capacity:
24VDC/8A
250VAC/8A
125VDC/0,4A
Table 10-1. I/O terminals of board NXLOPTAA
Note! The +24 V control voltage terminal can also be used to power the control module (but not the
power module).