Electrical Connection - WIKA TGT73.100 Betriebsanleitung

5. Commissioning, operation

5.2 Electrical connection

The electrical connection must only be made by qualified skilled
personnel. The instrument must be connected to the equipotential
bonding of the plant.
→ For performance data see chapter 10 "Specifications"
The electrical connection of the transmitter is made through an angular
connector. The exact pin assignments can be found in the following
drawing. In addition, the pin assignment, output signal and the required
supply voltage are stated on the product label.
Supply voltage
The instrument must only be used in conjunction with a corresponding
Ex repeater power supply.
Suitable Ex repeater power supply:
Model KFD2-STC4-Ex1, DC 20 ... 35 V, for DIN rail
Order number: 2341268
Safety instructions for installation
Install instruments in accordance with the manufacturer's instructions
■
and the valid standards and regulations.
Only connect circuits with the same voltage and type of protection to
■
the connection leads of the instrument.
Size the connection leads for the largest current strength in the
■
circuits and ensure sufficient UV resistance and mechanical stability.
With flexible connection leads, use isolated end splices. Max.
■
permissible conductor cross-section 1.5 mm².
Connection leads must be suited to the ambient temperature range
■
of the application.
The connection leads must also be suitable for the supplied cable
■
gland (for diameter range, see below).
Seal the cable entry with the appropriate approved cable glands.
■
Install the connection cables securely.
■
The gas-actuated thermometer with integrated rotary encoder must
■
be grounded through the thermometer case and through the ground
terminal in the angular connector.
WIKA operating instructions model TGT73 (Ex)
EN
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