Installation
21
Waltron User Manual 101-045-E.1
9031CX Sodium Analyzer
2.3.3
TRANSMITTER UNIT
Proceed as follows to gain access when making the necessary connections:
Remove the six screws securing the top cover of the transmitter unit. Pass appropriate cables thru the
cable glands for the following connections:
Power Supply
Solenoid and Alarms
Pre-amp Input (sensor and thermistor wiring)
4-20mA Current Output and Communication Interface
Figure 11 layout and components of the transmitter case
ATTENTION
Before connecting the analyzer to the main power supply check that there is
correct voltage at the mains.
WARNING
Although this instrument has internal fuse protection, the operator must use a
suitably rated external protection device such as a fuse or miniature circuit
breaker (MCB).
Switch OFF the power supply and high voltage power-operated control
circuits before making any connections. This equipment operates on
alternating current (AC) electricity. Always take suitable safety precautions to
avoid the possibility of an electric shock.
4-20 mA
Output
Flow Switch
(Optional)
Solenoid
Valves 1,2,3
Pre-Amplifier
HMI
RS485
Alarm
Relays
Power
Supply
Power
Input
