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SELECTION
GUIDE
M100-DM3 One input three
outputs
TYPICAL APPLICATIONS
The M100-DM3 takes 1
DC Input and provides 3 isolated
outputs all directly
proportional to the input. The outputs
can all be of the same
D.C. Value or can be different.
Typically this product
is used to prevent earth loops
between measuring devices.
For example the M100-DM3
could have its input
signal provided by a M100-WA4 watt
transducer with 4-20mA
output. The 3 outputs from the
M100-DM3 could be as
follows.
Output A = 4-20mA fed
to a PLC.
Output B = 0-20mA fed
to a analogue meter scaled in kW.
Output C = 1-5 volt fed
to a chart recorder.
The isolation between
the Input / Output / Case is 1.5kV
and the isolation between
each output is 500 volts.
ORDERING INFORMATION
Product Code Input In
Output Aux. Freq. Options
M100-DM3 1mA A= 1mA 230V
50Hz B=4-20mA C=10V
OPTIONS
1. Non standard inputs
/ outputs only as far as technically acceptable.
2. A.C. Auxiliary in
range 57.7 to 450 volts
3. Calibration at temperature
other than 23°C
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TECHNICAL
SPECIFICATION
INPUT
Rated value In ± 0-1
/ 5 / 10 / 20 & 4-20mA
Voltage drop 20mV
Rated value Un ±20mV......10V
Impedance 100 kOhm /
volt
Working range ±125% In
Overload continuous 4
x In
Overload continuous 1.5
x Un
OUTPUT
Rated value mA 0-1/5/10/20
& 4-20mA
Load resistance 10/2/1/0.5
kOhm
Rated value volts 0-5
/ 10 & 1-5 V
ADJUSTMENT
Zero ± 2%
Span ± 10%
AUXILIARY
A.C. Voltage 115 / 230
/ 400 V (± 25% / 45-65Hz / < 2VA)
D.C. Voltage 24 / 48
/ 110 V (± 20% / galvanically isolated / <3W)
WEIGHT & CASE SIZE Approx.
0.4 kg. 100mm case
INSULATION
Test voltage
1.5 kV between Input/
Output/Case
500 volt between each
output
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