Communication - LEGRAND IME NEMO D4-ec Mode D'emploi

Three-phase multifunction instrument
with 1 or 2 "Easy Connect" inputs

9. COMMUNICATION

RS485 Modbus wiring diagram:
ETHERNET
RJ45
RS485 Modbus wiring diagram with Mini Web Server:
3
RS485: Required use of Belden 9842 or Belden 3106A wire (or equivalent) for a maximum bus length of 1000 m, or Category 6 wire
(1)
(FTP or UTP) for a maximum length of 50 m
120Ω terminating resistor inside the instrument
(2)
Ethernet: Cat. 6 (FTP/UTP)
(3)
The "SG" terminal must not be connected to the earth
(4)
Mbus wiring diagram:
MASTER
MBUS
Communication tables:
- The MODBUS and MBUS communication protocols are available on the
Technical data sheet: IDP000348EN_01
SXIIP
RT
RS-485
120 Ω
+ - SG
(2)
(1)
SXWS10/SXWS32
RS-485
+ – SG
(1)
MBUS
A B
(5)
Non-polarized connections
A two-wire standard telephone cable (JYStY N*2*0.8 mm)
(5)
Codes: MFD41ORFCDT – MFD42ORFCDT
MFD41ORFCMT – MFD42ORFCMT
Model: NEMO D4-ec
IN OUT IN
RS485
MFD4...
N°1
IN OUT IN
RS485
MFD4... MFD4...
N°1
MBUS
A B
http://www.imeitaly.com
Updated: -
OUT IN
RS485 RS485
MFD4... MFD4...
N°2
OUT IN OUT
RS485 RS485
MFD4...
N°2 N°n
MBUS
A B
site
Created: 19/02/2021
SG + 1
1 + SG
OUT
RT
120 Ω
N°n
(2)
RT
120 Ω
(2)
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