LEGRAND IME MF961ORFCDT Manual De Instrucciones página 11

Three-phase multifunction instrument
with 1 or 2 "Easy Connect" inputs
7. GENERAL FEATURES
Display e LED metrologico :
- Graphic, backlit, 3.5 inches (256x240 dots).
- Reading points: 10,000 4 digits (digit height 5 mm)
- Energy measure: 9 digit meter (digit height 5 mm)
- Resolution: automatic
- Decimal point: automatic
- Update time: 1sec.
Rogowski inputs
630A
1600A
3200A
6300A
Display of the value and programming:
- By means of the front keypad, 3 pushbuttons
- Access protected by identification code
Measurements and precision in conformity with
- Current: cl.1
- Voltage: cl.0.5
- Frequency: ± 0,1 Hz
- Instantaneous total active power, phase, average value and max.
average value: cl.1
- Instantaneous total reactive power, phase, average value and
max. average value: cl.2
- Instantaneous total apparent power, phase, average value and
max. average value: cl.1
- Power Factor: cl.1
- Total and partial active energy, tariff, phase, positive and negative
cl.1
- Total and partial reactive energy, tariff, phase, positive and
negative cl.2
- Apparent energy cl.1
The above classes are guaranteed by maintaining the centring,
between Rogowski sensor and primary conductor, with the
appropriate accessories provided and a harmonic content within the
limits of the EN/IEC 61557-12 standard
Harmonic analysis (THD):
- Up to the 15th harmonic
Average power:
- Measurement: apparent, reactive, active power
- Calculation: moving average, on the selected period
- Average time: 3/5/8/10/15/20/30/60min
- Load Profile (power load curve), diagram of the last 24 recorded
average power values
Average time set | Curve interval
3 min
5 min
60 min
Resettable meter:
- Counting of operating hours and minutes
- 7-figure resolution (5 for the hours + 2 for the minutes)
- Maximum display: 99999.99
- Programmable value: 0...50% Pn (Positive active power)
Technical data sheet: IDP000349EN_01
Energy Resolution Wh/imp.
1kWh/kvarh/kVAh
1kWh/kvarh/kVAh
1kWh/kvarh/kVAh
0,01MWh/Mvarh/MVAh
(see the user manual).
(predefined code 1000)
EN/IEC 61557-12
value and graphic
72 min
2 hours
24 hours
Codes: MF961ORFCDT – MF961ORFCMT
MF962ORFCDT – MF962ORFCMT
Model: NEMO 96 EC
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)
Maximum section that can be connected to the terminals:
Terminals
Rigid wire
Flexible wire
10
- Rated voltage: 12-24Vdc, 10mA Max.
25
50
100
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*)
- MF961ORFCDT: Programmable address from 1 to 247
- MF962ORFCDT: 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
MF961ORFCMT: Programmable primary address from 0* to 250
MF962ORFCMT: Programmable primary address from 0 to 250
- N° of secondary address 0...99.999.999
MF961ORFCMT:
Programmable secondary address from 0 to 99999999
MF962ORFCMT:
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
Updated: -
(continues)
Without bush Without bush
0,2 ÷ 1 mm² 0,2 ÷ 1 mm²
0,2 ÷ 1 mm² 0,2 ÷ 1 mm²
E
1 C 2
+
(automatically assigned)
Created: 19/02/2021
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