WIKA TR12-M - Handbuch (Seite 16)

GB
14064370.01 08/2013 GB/D
WIKA operating instructions models TR12, TC12 16
WARNING!
Thermometers must be earthed if dangerous voltages could be expected at the
connection wires (caused, for example, by mechanical damage, electrostatic
discharge or induction)!
6.1 Electrical connection
CAUTION!
■ Damage to cables and wires, and to connection points must be avoided
■ Leads with bare ends must be finished with end splices (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:
Resistance thermometers with terminal block
3160629.06
red
1 x Pt100, 2-wire 1 x Pt100, 3-wire 1 x Pt100, 4-wire
white white
red
red
red
red white
white
white white white
white
red
red
red
red
red
2 x Pt100, 2-wire 2 x Pt100, 3-wire 2 x Pt100, 4-wire
red
white
white
red
red
white
black yellow yellow
yellow
black
black
white
white
red
red
red
red
black
black
black
black
yellow
yellow
yellow
red
white
black
yellow
white
6. Commissioning, operation