LEGRAND IME NEMO D4-ec Mode D'emploi page 12

Three-phase multifunction instrument
with 1 or 2 "Easy Connect" inputs
7. GENERAL FEATURES
Digital input
- The digital input allows switching the energy counting on 4 tariffs
- 3 input terminals with common point (1 - C - 2)
Terminals Without bush
Rigid wire
0,05 ÷ 1,5 mm²
Flexible wire
0,05 ÷ 1,5 mm²
- Rated voltage: 12-24Vdc, 10mA Max.
A
2 1
CURRENT INPUT
Features of the ModBus communication port
- Programmable addresses: from 1 to 247 (5*)
- Communication speed: 4.8 – 9.6 – 19.2* – 38.4 kbps
- Parity bit: none, even*, odd
- Stop bit: 1
- Galvanically isolated with respect to the measurement inputs
- Standard RS485 3 wires, Half-Duplex on RJ45 connector –
- Modbus® RTU protocol
- Response time: ≤ 200ms
- 120Ω terminating resistor inside the instrument (it can be set in the
SETUP menu, default value: none*)
- MFD41ORFCDT: Programmable address from 1 to 247
- MFD42ORFCDT: Programmable address from n = 1 to n = 246 for
first input measurements and address n+1
for second input measurements
Features of the MBus communication port:
- Standard: EN 13757
- Transmission: serial asynchronous
- N . of bit: 8
o
- Parity bit: fixed even
- Communication speed: 300-600-1.200-2.400*-4.800-9.600bit/s
- No. of primary address: 0*...250
- MFD41ORFCMT / MFD42ORFCMT:
Programmable primary address from 0 to 250
- MFD41ORFCMT / MFD42ORFCMT:
Programmable secondary address from 0 to 99999999
- Load MBus:1
- Galvanically isolated with respect to the measurement inputs
- Transferred measurements: see communication protocol
* Factory data
Technical data sheet: IDP000348EN_01
Without bush
0,05 ÷ 2,5 mm²
0,05 ÷ 2,5 mm²
A
E
1 C 2
+
RS485
(automatically assigned)
Updated: -
Codes: MFD41ORFCDT – MFD42ORFCDT
MFD41ORFCMT – MFD42ORFCMT
Model: NEMO D4-ec
7. GENERAL FEATURES
Recommendations:
For the device protection against overloads and short circuits, it is
recommended to use a thermal-magnetic circuit breaker
Protection class:
- Protection index of terminals against direct contacts:
IP 20 (IEC/EN 60529);
- Protection index of the front face against direct contacts:
IP 54 (IEC/EN 60529);
- Class II: front panel with cover plate;
- Protection class against mechanical impacts IK03 (IEC/EN 62262)
Resistance to vibrations:
- Vibration: from 5 to 150Hz width 0,15mm/1g
- Shock: 19g / 16msec
Housing material:
BLEND >PC + ABS<;
Identification according to ISO 11469: >PC<;
GWFI IEC 60965-2-12 (§1.6mm): 850°C;
Flame rating UL 94 / IEC 60695_11_10 (1.6/3.2 mm): V2;
Operating temperatures:
- Tmin. = - 20 °C; Tmax. = + 60 °C.
Room storage temperatures:
- Tmin. = - 25 °C; Tmax. = + 70 °C
Weight:
0,270Kg
Packaged volume:
1.5 dm3.
Room:
mechanical M1 – electric E2
Created: 19/02/2021
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