50-613 Kotron
®
Series 82 CE RF Level Transmitter
9
1.6
Wiring
The wiring directions are different depending upon the
configuration of your particular transmitter. Choose the
appropriate configuration from the following sections and
follow the directions carefully.
1.6.1 Two-Wire Transmitter without Meter
WARNING:
These units are designed to operate with voltages
between 14 VDC and 40 VDC only. Application of 120
VAC will destroy the transmitter.
Caution:
All power must be turned off until all of the wiring connec-
tions have been made.
All wiring between the power supply and the transmitter
should be done with 16 AWG to 22 AWG shielded twisted
pair. The connection is made at the terminal strip within
the transmitter enclosure.
1. Remove the transmitter housing cover. Pull the power
supply wires through the conduit connection.
2. Connect the positive supply wire to the (+) terminal and
the negative supply wire to the (–) terminal. Connect the
shield to the green ground screw at the base of the hous-
ing. Make the shield wire as short as possible. Refer to
Figure 3 on page 6, and Figure 5.
3. Replace the transmitter housing cover until calibration.
4. Connect the positive supply wire to the positive terminal
on the power source. Connect the negative supply wire to
the negative terminal on the power source. Connect the
shield to the power source’s ground terminal and apply
power. The yellow LED on the potted module should be on.
5. Proceed to
Calibration, Section 1.7
.
1.6.2 Two-Wire Transmitter with Meter
WARNING:
These units are designed to operate with voltages
between 14 VDC and 40 VDC only. Application of 120
VAC will destroy the transmitter.
Caution:
All power must be turned off until all of the wiring connec-
tions have been made.
All wiring between the power supply and the transmitter
should be done with 16 AWG to 22 AWG shielded twisted
pair. The connection is made at the terminal strip within
the transmitter enclosure.
1. Remove the meter housing cover.
2. Remove the two screws holding the meter bracket to the
housing. Pull the meter gently out of the housing, being
careful not to disturb the wiring. Lay it on one side.
Power
Source
14-40 VDC
Shielded
Twisted
Pair Cable
4-20 mA
Meter
Auxiliary
Current
Meter
– +
+
+
Green Ground
Screw
+
–
–
–
+
–
TP1
TP2
Figure 5
