Electrical Connection - WIKA TR Serie Manual De Instrucciones

6. Commissioning, operation

6.1 Electrical connection

CAUTION!
Damage to cables and wires, and to connection points must be avoided
■
Flying leads with bare ends must be finished with ferrule ends (cable preparation)
■
Both the internal capacitance and inductance must be considered
■
The electrical connection is to be made according to the sensor connections/pin assignments
shown below:
Thermocouples with terminal block
Single thermocouple
Resistance thermometers with terminal block
1 x Pt100, 2-wire
white
red
red
white
2 x Pt100, 2-wire
red
white
black
yellow
red
white
black
yellow
WIKA operating instructions resistance thermometers, thermocouples
The colour coding at the
positive connection to the
devices always decides the
correlation of polarity and
connection terminal.
1 x Pt100, 3-wire
white
2 x Pt100, 3-wire
red
yellow
Dual thermocouple
1 x Pt100, 4-wire
red white
red white
red
red
white
2 x Pt100, 4-wire
white
white
yellow
black
red
red
white
black
black
yellow
GB
red
red
red
red
white
white
red
black
red
red
white
white
black
black
yellow
yellow
13