Hardware installation
5
NK823x hardware installation
46
Building Technologies A6V10062437_a_en
Fire Safety & Security Products 30.06.2013
5.3 NK823x hardware installation
Installation
1. Install the NK82xx unit on the DIN rail.
2. Connect subsystems:
– Subsystem lines using the standard RS232 interfaces on COM1 - COM4.
Note: Only COM1 and COM2 are available on NK8231 and NK8232.
– If used in place of COM1, the RS485 interface is on X104.
– If used in place of COM2, the RS485 interface is on X105.
3. If used, connect the power supply supervision module DF8090.
4. If used, connect the onboard I/O signals.
5. Connect power supply.
See Figure
Power connections
if using a DF8090 power supply supervision
module.
WARNING
Do not connect or disconnect any device when the device is powered on!
Top view
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6 7 851
2
3
4
NK823x electrical interfaces (top view)
Item Name Description
1 X1 USB
2 X2 Ethernet 2
3 X3 Ethernet 1
4 X101 1 output
5 X102 3 inputs
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