Hardware installation
4
NK8237 hardware installation
22
Building Technologies
A6V10403182_a_en
Fire Safety & Security Products
30.09.2014
X102: Onboard I/O (Inputs)
Onboard I/O (inputs).
Pin
Assignment
1
Input 1 (Mains failure)
2
Input 2 (Battery fault)
3
Input 3 (Power supply fault)
4
Common
5
+ Val
6
– Val
DIN Rail Installation
The modules are supplied in a plastic box that can be easily attached to the DIN
rail by hooking it on the top of the rail and pressing it in on the opposite side. To
detach the box, pull downward on the tab located at the rear of the module. The I/O
modules are mounted the same way.
Note: Before removing the box, carefully disconnect the flat cable (bus) of the I
2
C
module, as well as the power supply cables.