IM-P505-02-US Issue 1
26
UTM20 Series Ultrasonic Transit-time Flowmeters
8. Wiring the Transmitter
Important:
Select field wiring means rated for 5 °C above the maximum area temperature when it is
possible that the temperature will exceed 55 °C.
To access terminal strips for wiring, loosen the 4 enclosure captive screws. Grasp and lift the
cover and open it to the left. The cover remains attached and the left screws act as a hinge.
8.1 Torque Requirements
The tightening torque requirements for the screw connections of the plug-in terminals are 4.4 lb-in.
(0.5 Nm) minimum to 5.3 lb-in. (0.6 Nm) maximum.
8.2 Electrical Symbols
Function Direct
Current
Alternating
Current
Earth
(Ground)
Protective
Ground
Chassis
Ground
Symbol
Fig. 27 Electrical symbols
Fig. 28 Wiring connectors
TB700 Digital I/O Connector
TB600
Analog
Output
Connector
TB600
Analog
Output
Connector
TB900
RTD
Connector
TB300
Transducer
TB400 Power Connector
Accessory Card
CPU
LEDs
USB Mini B
Connector
Micro
SD Card
Holder
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