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MULTISPAN MFM 142DC-M1 Quick Start Manual

MULTISPAN MFM 142DC-M1 Quick Start Manual

Dc multifunction meter

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TECHNICAL SPECIFICATION
INPUT SPECIFICATION :
Input Current
Through external shunt
(-75mV To+75mV DC)
0 to 9999 Amp
Shunt Selectable
Direct voltage DC
0 to 1000V DC
CALCULATED PARAMETERS :
Parameter
0.00 - 49.99 V DC
50.0 - 199.9 V DC
DC Voltage
200.0 - 399.9 V DC
400.0 - 1000 V DC
DC Current
-999 - 9999 A DC
WATT
-999 - 9999 KW
0 - 999999 KWH
KWH
DISPLAY & KEYS :
6 Digit, 7 seg. 0.40" RED
Display
4 Digit, 3 Line 7 seg. 0.40" RED
Key
RESET, PRG, INC, DEC
DIMENSION :
Size (mm)
96 (H) x 96 (W) x 54 (D) mm
Panel Cutout
92 (H) x 92 (W) mm
AUXILIARY POWER SUPPLY :
Power Supply
100V to 270V AC
Burden
Approx 5VA @ 230V AC
DC MULTIFUNCTION METER
MFM 142DC-M1
Current
Voltage
Range
Accuracy
1 % OF 49.99V
1 % OF 199.9V
1 % OF 399.9V
1 % OF 1000 V
1 % OF FSD
OUTPUT SPECIFICATION:
Relay Output
Relay
2 Nos
Relay Type
1C/O (NO-C-NC)
Rating
10A, 230V AC / 28V DC (Reg. Load)
COMMUNICATION:
RS-485 MODBUS
ACCURACY
Class 1.0 (Standard)
ENVIRONMENTAL CONDITION
Working Temperature
Storage Temperature
Relative Humidity
Protection Level
( As per Request )
MECHANICAL INSTALLATION
Outline Dimension (mm)
MFM 142DC-M1
R1
96
R2
DC POWER METER
RESET
PRG
3
96
TERMINAL CONNECTION
20
19
18
17
-
D
+
D
NC
C
MODBUS
RELAY-2
MFM 142DC-M1-A2-00
www.multispanindia.com
Made in India
100
~
Voltage: 0 To 1000V DC
Current: -999 To 9999 Amp DC
270V AC
(Through Shunt)
50/60 HZ
Input: -75 To 75mV
5VA
Accuracy: Class 1.0
N
E
L
E
1
2
3
4
0 to 55°C
0 to 55°C
95 % RH Non-
Condensing
IP-65 (Front side As per
IS/IEC 60529 : 2001)
Panel Cutout
Dimension (mm)
92
92
54
16
15
14 13
12
NO
NC
C
NO
RELAY-1
+1000V DC
GND
5
6
7
8
9
11
10

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Do you have a question about the MFM 142DC-M1 and is the answer not in the manual?

Questions and answers

Rajan Singh
April 6, 2025

Which terminal shunt are connections

1 comments:
Mr. Anderson
April 6, 2025

The terminal shunt connections for the MULTISPAN MFM 142DC-M1 are as follows:

- Input: -75 to 75 mV through shunt
- Terminals labeled for shunt: +V DC, GND, +T DC, GND

These terminals are used to connect the shunt for DC current measurement.

This answer is automatically generated

Summary of Contents for MULTISPAN MFM 142DC-M1

  • Page 1 DC MULTIFUNCTION METER OUTPUT SPECIFICATION: MFM 142DC-M1 Relay Output Relay 2 Nos Relay Type 1C/O (NO-C-NC) Rating 10A, 230V AC / 28V DC (Reg. Load) COMMUNICATION: RS-485 MODBUS ACCURACY Class 1.0 (Standard) ENVIRONMENTAL CONDITION 0 to 55°C Working Temperature Storage Temperature 0 to 55°C...
  • Page 2 DISPLAY INDICATION SAFETY PRECAUTION Please read the "Safety Warnings" in the instruction manual supplied with the instrument thoroughly and KWH Value completely for correct use. Failure to follow the safety rules can cause fire, trouble, electrical shock, etc. Therefore, make DC Volt sure to operate the instrument on a correct power supply Relay For...
  • Page 3 PARAMETER SETTING Press Key For 5 Sec. To Enter in Parameter Setting Set Point 2 For Relay 2 Range: Password 0 to 1000V (10) Press Press Trip Delay For Relay 2 Range: 0 to 100 sec Shunt Selectable Range: 0 to 9999Amp A M P Press Press...
  • Page 4 MODBUS (MFM-142 DC-M1) Press Key For 5 Sec. Slave Address : 1 to 127 To Enter in Parameter Setting Baudrate : 2400,4800,9600,19200,38400bps Parity : None,Even,Odd Datatype : Float Password - Frame Delay Time : 0 to 99 milli sec (35) Read Function Register : 0x03 and 0x04 Write Function Register :...