Honeywell HCC-745NTW/PTW - Manual (Page 10)

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4.1 RS-232C connection ( HCC-745NTW/PTW )
4. Remote Control Connections
Connect to Serial PORT
6P Cable
2
3
4
RD ( TxD )
TD ( RxD )
GND
6P Cable
Serial Cable
Serial Cable
( 9 Pin D-Sub )
2 RD
3 TD
5 SG
4
6
7
8
Connect internally
for communication
4.2 RS-485 connection ( HCC-745NTW/PTW-VR )
Connect to Serial PORT
6P Cable
Serial Cable
RS485 Converter
3
2
TRx +
TRx-
6P Cable RS485 Converter
TRx+
TRx-
RS485
RS232C
1. Red : Not Use
2. Blue : RD(TxD)
3. Yellow : TD(RxD)
4. Black : GND
5. Red : Not Use
6. Black : Not Use
1. Red : Not Use
2. Blue : TRx-
3. Yellow : TRx+
4. Black : Not Use
5. Red : Not Use
6. Black : Not Use