MULTISPAN MFM 14DC User Manual

MFM 14DC
DC MULTIFUNCTION METER
TECHNICAL SPECIFICATION
ENVIRONMENTAL CONDITION
Working Temperature
Storage Temperature
Relative Humidity
0 to 55°C
0 to 55°C
95 % RH Non-
Condensing
ACCURACY
96 (H) x 96 (W) x 54 (D) mm
92 (H) x 92 (W) mm
TERMINAL CONNECTION
IP-65 (Front side As per
IS/IEC 60529 : 2001)
Protection Level
Class 1.0 (Standard)
( As per Request )
96
92
92
96
Outline Dimension (mm) Panel Cutout
Dimension (mm)
MECHANICAL INSTALLATION
MFM 14DC
PRG
RESET
1
2
3
4
7 8 9
12
13
14
10
11
5
16
17
1819
20
6
15
L
N
GND
Voltage: 0 To 1000V DC
Current: 0 To 9999 Amp DC
(Through Shunt)
Input: 0 To 75mV
Accuracy: Class 1.0
24-270V
AC/DC
50/60Hz
+ -
NC
NC
C
C
NO
NO
RELAY-1
RELAY-2
D+
-
D
O/P
RS-485
Made in India
www.multispanindia.com
+V DC
+T DC
GND
+V DC
Shunt
54
3
DIMENSION :
Size (mm)
Panel Cutout
24 to 270V AC/DC
Approx 4VA @ 230V AC
AUXILIARY POWER SUPPLY :
DISPLAY & KEYS :
Display
Key
Power Supply
Burden
Direct voltage DC
Input Current
Shunt Selectable
0 to 1000V DC
Through external shunt (0-75mV DC)
0000 - 9999 A DC
0000 - 9999 KW
6 Digit, 6 Line 7 seg. 0.40" RED
4 Digit, 4 Line 7 seg. 0.40" RED
0.00 - 19.99 V DC
1 % OF 19.99V
1 % OF 49.99V
1 % OF 199.9V
1 % OF 1000 V
1 % OF FSD
20.0 - 49.99 V DC
50.0 - 199.9 V DC
200.0 - 1000 V DC
0 to 9999 Amp
CALCULATED PARAMETERS :
DC Voltage
DC Current
WATT
INPUT SPECIFICATION :
Voltage
Current
Parameter Range Accuracy
RESET, PRG, INC, DEC
0 - 999999 KWH
KWH
OUTPUT SPECIFICATION:
Relay
Relay Type
Rating
2 Nos
1C/O (NO-C-NC)
10A, 230V AC / 28V DC (Reg. Load)
Relay Output
Page 1

MULTISPAN MFM 14DC Specifications

General

Brand	MULTISPAN
Model	MFM 14DC
Category	Measuring Instruments
Language	English

Summary

Output and Environmental Specifications

Output Specifications

Details relay output type, rating, and accuracy specifications for the DC multifunction meter.

Environmental Conditions

Specifies operating temperature, storage temperature, relative humidity, and protection level.

Technical and Mechanical Details

Technical Specifications

Covers input specifications, calculated parameters, display, keys, dimensions, and auxiliary power.

Mechanical Installation Dimensions

Provides outline and panel cutout dimensions for the DC multifunction meter.

Terminal Connections

Illustrates the wiring terminals for relays, power, and current/voltage inputs.

Operation and Safety Guidelines

Display and Key Operation

Explains display indications and the function of each key for operating the meter.

Safety Precautions and Warnings

Outlines critical safety warnings, including risks of electric shock and interference.

Mechanical Installation Instructions

Provides step-by-step instructions for fitting the unit into a panel and wiring.

Installation Guidelines

Offers recommendations for safe installation, including material handling and circuit breakers.

Maintenance Procedures

Details recommended cleaning practices and component replacement guidelines.

Parameter Setting and Reset

Parameter Setting

Guides on entering parameter setting mode and configuring values like delay and shunt.

KWH Reset Procedure

Explains how to reset the KWH value using the dedicated reset key.