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18
7.2.1
Material Selection of Communication Cable
Communicati-
on system
Material of
cable
Comm-
unicati-
on cable
L(m)
Cable
diameter
(mm
2
)
Material
standard
Remark
Communicati-
on between
Modbus
Gateway(-
Mini) and
BMS
Light/
Ordinary
PVC
sheathed
twisted pair
copper wire
(RVV)
L≤800
≥2×0.75
IE-
C60227-
5:2007
When
communic-
ation
distance
exceeds
800m,
photoelect-
ric isolation
repeater
shall be
added
Communicati-
on between
Modbus
Gateway(-
Mini) and air
conditioner
Light/
Ordinary
PVC
sheathed
twisted pair
copper wire
(RVV)
L≤500
≥2×0.75
IE-
C60227-
5:2007
The length
of
communic-
ation cable
shall not
exceed
500m
7.2.2
Communication Connection Way
Notice! All communication cables of Modbus Gateway(Mini) must be
connected in series instead of in star mode.
Modbus Gateway(Mini)
Содержание ME30-24/E6
Страница 1: ...Modbus Gateway Mini model ME30 24 E6 M ...
Страница 24: ...19 1 Communicaiton connection between Modbus Gateway Mini and BMS Modbus Gateway Mini ...
Страница 26: ...21 Modbus Gateway Mini ...
Страница 38: ......