Ziegler mfm 3420 Installation & Operating Instructions Manual

Ziegler mfm 3420 Ziegler mfm 3420
Digital Multifunction Instrument
Ziegler mfm 3420
Single Phase Digital Volts, Amps, Frequency & Energy Indicator
Installation & Operating Instructions
Section Contents
1. Introduction
2. Measurement Reading Screens
3. Programming
3.1 Password Protection
3.2 Set Up Screens
3.2.1 Potential Transformer Primary value
3.2.2 Current Transformer Primary value
3.2.3 Current Transformer Secondary value
3.2.4 Pulse Rate
3.2.5 Reset
3.2.6 Pulse Duration
3.2.7 Auto Scrolling
3.2.8 Display update Rate
3.2.9 Low Current noise cutoff
3.2.10 Assignment of Pulsed output to
Import or Export Energy
4. Pulse output option
5. Installation
5.1 EMC Installation Requirements
5.2 Case Dimensions and Panel Cut-out
5.3 Wiring
5.4 Auxiliary Supply
5.5 Fusing
5.6 Earth / Ground Connections
6. Connection Diagrams
7. Specification
8. Connection for Optional Pulse output
1. Introduction
Ziegler mfm 3420
The is a panel mounted 96 x 96mm DIN Quadratic Digital
metering system for the measurement & display of basic electrical parameters like
AC Voltage, AC Current, Frequency, Import energy and Export energy.
The instrument integrates accurate measurement technology (All
Voltage & Current measurements are True RMS upto 15th Harmonic) with 3 line4
digits Ultra high brightness LED display.
SysV
x1000
kWh
x1000
SysA
x1000
Hz
Down Up
TABLE 1
Measure d Parameters
System Voltage
System Current
Frequency
Import Energy (8 Digit resolution)
Export Energy (8 Digit resolution)
-
Single Phase
30986_Rev B 05/2007-E1R0
Ziegler mfm 3420 can be configured and
programmed at site for the following : PT
Primary, CT Primary, CT Secondary (5A or
1A)
The front panel has two push buttons through
which the user may scroll through the
available measurement readings, reset the
energy (Import/Export) Min/Max (System Voltage
and System Current) and configure the product.
Uni ts of measu rement
Volts
Amps
Hz
kWh
kWh
2. Measurement Reading Screens
In normal operation the user is presented with one of the measurement reading
screens out of several screens. These screens may be scrolled through one ata
time in incremental order by pressing the "
by pressing " Down key".
Screen 1 : System screen
(System Voltage, System Current,
Frequency)
SysV x1000
kWh
SysA x1000
Hz
x1000
Screen 3 : Export Energy
x1000
SysV
kWh
SysA x1000
Hz
x1000
Screen 5 : Min Sys Voltage & Current
SysV x1000
kWh
SysA x1000
Hz
x1000
3. Programming
The following sections comprise step by step procedures for configuring the
Ziegler mfm 3420 for individual user requirements.
To access the set-up screens press and hold the"
Key simultaneously for 5 seconds. This will take the User into the Password
Protection Entry Stage (Section 3.1).
3.1. Password Protection
Password protection can be enabled to prevent unauthorised access to set-up
screens, by default password protection is not enabled.
Password protection is enabled by selecting a four digit number other than 0000,
setting a password of 0000 disables the password protection.
Enter Password, prompt for first digit.
(* Denotes that decimal point will be flashing).
SysV x1000
kWh
Press the "
from 0 through to 9, the value will wrap from 9 round to 0.
SysA x1000
Press the "
Hz
x1000
In the special case where the Password is "0000" pressing
the " Up" key when prompted for the first digit will
advance to the "Password Confirmed" screen.
Enter Password, first digit entered, prompt for second
digit.
SysV x1000
(* Denotes that decimal point will be flashing).
kWh
Use the "
SysA x1000
digit from 0 through to 9, the value will wrap from9
round to 0.
Hz
Press the "
x1000
www.ziegler-instruments.com
Up key" and in decremental order
Screen 2 : Import Energy
SysV x1000
kWh
SysA x1000
Hz
x1000
Screen 4 : Max. System voltage andcurrent
x1000
SysV
kWh
SysA x1000
Hz
x1000
Down" and " Up"
Down" key to scroll the value of the first digit
Up" key to advance to Up digit.
Down" key to scroll the value of the second
Up" key to advance to Up digit.
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