PART TWO - INSTALLATION
SECTION 3 - ELECTRICAL CONNECTIONS
PRO-series Model E3 Electrodeless Conductivity Transmitter
2
3.5 Monitor Mode
Hookups (without
current loop)
☞
The transmitter can be wired two ways in a monitor mode
hookup (without current loop), depending on whether or not
RS-485 serial communication is used. At least 12 VDC is
required for operation (16 VDC with serial communication).
When using RS-485, consult GLI for Command Set.
Depending on how the transmitter is mounted, route the DC
power and RS-485 serial communication wiring into the
transmitter as follows:
•
Wall/Pipe-mounted Transmitter:
Route cable through
right side cable entry knockout hole in the back cover.
•
Panel-mounted Transmitter:
Route cable behind panel
to the exposed TB1 terminal strip.
•
Integral Sensor-mounted Transmitter:
Route cable
through right side cable entry knockout hole in the back
cover. (Do not open left side cable entry knockout hole
in cover).
Wiring Tip!
Use high quality, shielded instrumentation cable.
Refer to the monitor mode hookup that meets your applica-
tion requirements, and connect the transmitter accordingly.
+
1
2
3
4
5
6
7
-
External Power
12-30VDC
Class 2
FIGURE 2-13
Monitor Mode Hookup (without Current Loop) -- without RS-485 Serial Communication
+
1
2
3
4
5
6
7
-
RS-485 Serial
communication
"B" -
"A" +
External Power
16-30VDC
Class 2
Shield
FIGURE 2-14
Monitor Mode Hookup (without Current Loop) -- with RS-485 Serial Communication
