
9
B
ef
or
e staring
Installation
Op
er
ation
Sp
ecifications
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
※ D o t t e d l i n e i s c o n n e c t e d
automatically during mo dule
composition.
※ D o t t e d l i n e i s c o n n e c t e d
automatically during mo dule
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
Содержание ML-D2H
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