HANYOUNG NUX ML-D Series - Power Supply and Communications Interface(RS485;RS232 C)

9
Before staring Installation Operation Specifications
2.4 Power supply and communications interface (RS485/RS232C)
2.4.1 Power supply and communications interface
● When using ML Series as one module by connecting several units, supply power cable and
communications line to only one unit. Required maximum power capacity is 32 units X 7 W= 224 W
when making up 32 unit module. (Refer to power supply specification)
● 2 wire type communication and power source connection
※ Dotted line is connected
automatically during module
composition.
※ Dotted line is connected
automatically during module
composition.
● 4 wire type communication and power source connection
<Example of proper use>
<Example of incorrect use>
TRX+
TRX-
TRX+
TRX-
TRX+
TRX-
24 V
GND
24 V
GND
24 V
GND
Master
Master
TX+
TX-
RX+
RX-
TRX+
TRX-
TRX+
TRX-
TRX+
TRX-
TRX+
TRX-
24 V
GND
24 V
GND
24 V
GND
24 V
GND
24 V
GND
(24 V DC)
(24 V DC)
TRX+
TRX-
TRX+
TRX-
TRX+
TRX-
24 V
GND
24 V
GND
24 V
GND
Master
Master
TX+
TX-
RX+
RX-
TRX+
TRX-
TRX+
TRX-
TRX+
TRX-
TRX+
TRX-
24 V
GND
24 V
GND
24 V
GND
24 V
GND
24 V
GND
(24 V DC)
(24 V DC)
Terminating
resisters
Terminating
resisters
M-D Module
Composition
M-D Module
Composition
Terminating
resisters
Terminating
resisters