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4. Requirements for Communication Wires
Conductir
(Tinned cooper wire, twisted, with
the cross-sectional area at least
0.5mm² or 20AWG)
Description:
1. The network connecting wires with compact shielding layer and small lay of twisted conductors shall be selected
to the greatest extent.
2. Refer to UL2547 or UL2791 wire standards.
3. The length of control wire shall not exceed 1000 m.
4. The control wire routing must be more than 200 mm away from the heavy-current installations.
5. Connection of Communication Wires
Master unit of
modular
+12V
GND
A1
B1
RS485-A
Output wiring terminal
Handest
2
6. Address Code Setting
The former four digits of the eight-digit code switch are for module address setting, and the latter four for unit mode
and capacity setting. The unit mode and capacity codes have been set in delivery, and they are unchangeable.
The unit address codes default to ON, ON, ON and ON (for master unit), and in delivery, the codes default to 0N,
0N, 0N and 0N.
The former four digits are available for module address:
Address No.
SW1 SW2
0
ON
ON
1
ON
ON
2
ON
ON
3
ON
ON
4
ON
OFF
5
ON
OFF
6
ON
OFF
7
ON
OFF
8
OFF
ON
Insulator
Slave unit of
modular 1
+12V
GND
A1
B1
CN19
RS485-A
Output wiring terminal
Isolating wires ground
SW3
SW4
ON
ON
ON
OFF
OFF
ON
OFF
OFF
ON
ON
ON
OFF
OFF
ON
OFF
OFF
ON
ON
Shielding layer
(Tinned cooper wire, twisted
or braided, witn the shielding
ratio at least above 95%)
Slave unit of
modular 2
+12V
GND
A1
B1
CN19
CN19
RS485-A
Output wiring terminal
Address No.
SW1
9
OFF
10
OFF
11
OFF
12
OFF
13
OFF
14
OFF
15
OFF
Note:
(1) There is no same address code in one system.
(2) The above address codes must be set by professionals.
28
Outer sheath (PVC)
Slave unit of
modular N
+12V
GND
A1
B1
RS485-A
Output wiring terminal
SW2
SW3
SW4
ON
ON
OFF
ON
OFF
ON
ON
OFF
OFF
OFF
ON
ON
OFF
ON
OFF
OFF
OFF
ON
OFF
OFF
OFF
CN19
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