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4-20 mA Loop Wiring
12-24 Vdc
Out (1)
Power
Source
(14- 24 Vdc)
Sensor
Out 24V
RST-4100
Load Resistor
(150 Ω to 700 Ω)
Wired in series for
programming.
+
−
Note: a minimum of
14 Vdc is required to
establish communications
with the RST-4100
Programming Module
and APG Modbus software
required for programming
MPX-E2, -R2 and MPX-E3,
-R3 series sensors.
USB to computer
with APG Modbus
software
Out 2
MPX-E2, -R2 or
MPX-E3, -R3 series
sensor.
Programming configuration is
for programming ONLY. After
programming, sensor must be
reintegrated to 4-20 mA loop
for proper system operation.
12-24 Vdc
Out 1
Out 2
Input 1 Input 2 Com
Receiver
Sensor
Sensor
4-20 mA Dual Float Loop Wiring
(MPX-E3 and MPX-R3 Series)
Input Com
Receiver 1
Input Com
Receiver 2
OR
+
Power Source
(12-24 Vdc)
−
12-24 Vdc
Out 1
Out 2
Sensor
+
Power Source
(12-24 Vdc)
−
12-24 Vdc
Out
4-20 mA Single Float Loop Wiring
(MPX-E2 and MPX-R2 Series)
Input Com
Receiver
+
Power Source
(12-24 Vdc)
−
4-20 mA Programming Wiring
NOTE
: For MPX-E3 & MPX-R3 se-
ries sensors, - Vdc from power source
must be connected to Output1 on
sensor for correct sensor program-
ming.
IMPORTANT
: Refer to Chapter 5
for Hazardous Location and Non-In-
cendive Wiring diagram.