4�7�-
COMMUNICATIONS
The
CVM-C5
haveoneRS-485communicationsport,with
MODBUS RTU
®protocol�
4�7�1� CONNECTIONS
TheRS-485cablemustbewiredwithtwistedpaircablewithmeshshield(minimum3wires),
withamaximumdistancebetweenthe
CVM-C5
andthemasterunitof1200metres�
Amaximumof32
CVM-C5
unitscanbeconnectedtothisbus�
Use an intelligent RS-232 to RS-485 network protocol converter to establish the
communicationswiththemasterunit�
B(-)
A(+)
A(+)
B(-) S
S
RS-232 / USB / Ethernet / Profibus ...
PC
RS-485
RS-485
RS-232
USB
Ethernet
Profibus
...
POWER SUPPLY
S0+ S0-
OUTPUT
S1
S2
S1
S2
S1
S2
L1
P1
P2
L2
L3
300V ~
Ph-N
Ph-Ph
520V ~
N
V
L3
L2
V
L1
V
P1
P2 P1
P2
RS485
A
(+)
B
(-)
GND
Figure 16: RS-485 Connection diagram�
42
CVM-C5-xxx-485
Instruction Manual
Содержание CVM-C5 Series
Страница 1: ...INSTRUCTION MANUAL M026B01 03 21A Power analyzer CVM C5 ITF 485 CVM C5 MC 485 CVM C5 mV 485...
Страница 2: ...2 CVM C5 xxx 485 Instruction Manual...
Страница 50: ...8 CE CERTIFICATE 50 CVM C5 xxx 485 Instruction Manual...
Страница 51: ...51 Instruction Manual CVM C5 xxx 485...
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