Hardware Installation
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Building Technologies 048_DMS_NK8000_ICC_MP4.40_A6V10062437_a_en.doc
Fire Safety & Security Products 06.2011
6.1.3 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 Fig. 21 p. 36 if using a DF8090 power supply supervision module.
Do not connect or disconnect any device when the device is powered on!
Top view: NK823x connectors
Fig. 19 NK823x electrical interfaces (top view)
Bottom view: NK82xx connectors
Fig. 20 Serial RS232-interfaces (bottom view)
Back
COM 1 (in place of
X104)
COM 3
COM 2 (in place of
105
COM 4
Note: COM3 / COM4 is
only available on
NK8235.4
Back
X1: USB not used
X3: Ethernet 1
X2: Ethernet 2
X103: Power Supply
3 2 1 6 … 1 8 … 1 2 1 2 1
X104: RS485
(in place of COM1)
X105: RS485
(in place of COM2)
X101: 1 output
X102: 3 inputs
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