Introduction
This manual covers the installation and operation of models RM3-SW-LPN (non isolated) and RM3-SW-LPI
(isolated). These models accepts 3 wire slidewire inputs (1k
Ω
to 1M
Ω
) and provide 4-20mA loop powered
outputs. These models are available with one, two, three or four input/output channels. Reverse polarity and
over current protection is provided on the output of each channel. A LED indicator is provided for each
channel. The brightness of the LED will vary with output level, 20mA giving the brightest output.
Zero & span adjustment is via front panel potentiometers marked Z and S.
Mechanical Installation
The RM3 clips onto a standard 35mm DIN rail as shown below.
Dimensions
Page 2 of 7
RM3SWMAN-1.1-0
Earth bolt may be slid in from the rear
of the instrument (top or bottom)
44mm
91mm
135mm
