IPM-400
15
Using the IPM-400 as a Source
(cont’d)
Simulate Two-Wire Transmitters
Display:
2-WIRE, mA, mA%, DP%
This function simulates a two-wire transmitter output from 0.00 mA to 24.00 mA. It operates
in loops with power supply voltages from 3 VDC to 45 VDC.
1.
Turn the Selector knob to
mA
.
2.
Connect the black and red leads to the meter as shown.
3.
Repeatedly press the
DISPLAY/SOURCE/READ
button until “SOURCE” or “2-WIRE”
appears on the display.
4.
If “SOURCE” appears, press the
TYPE/ENG UNITS
button until “2-WIRE” appears.
5.
Repeatedly press the
mA/%/%DP FLOW
button until the desired function appears.
6.
Disconnect the existing two-wire transmitter from the loop.
7.
Connect the red lead of the meter to the plus (+) input of the device and the black lead to
the minus (–).
8.
With the toggle switch at
SET
, adjust the output to the desired value.
9.
Flip the toggle switch to
HI
or
LO
to use the stored values. See the Storing Output Values
section to change the stored values.
Typical
2-Wire
Transmitter
(disconnected)
To Sensor
+IN
REF +OUT
Power Supply
2 to 45 VDC
Receiver
(powers external
2-wire transmitter)
