T2A Transmitter • 17
Wiring Power and 4-20 mA Output
The T2A re12 to +35 Volts of wired DC power to operate. It sends a 4-20 mA signal
out through the power wires.
CAUTION:
The internal components can be static sensitive. Use caution when opening the
enclosure and handling internal components.
CAUTION:
Make sure the power source is off before beginning the wiring procedure.
CAUTION: DO NOT
use any metal objects or tools to remove the terminal board from the
internal system.
1. Unscrew the enclosure lid and set it aside.
2. Grab the thumbscrews and gently lift the internal system out of the enclosure. It can rest
on the edge of the enclosure.
NOTE:
Disconnecting the sensor connector plug from the sensor housing will allow for the
complete removal of the internal system from the device enclosure. Disconnecting the
internal system may provide ease in accessing the control board terminals for wiring.
Reconnect the sensor connector plug before reinstalling the internal system.
3. Feed the power and 4-20 mA signal wires through the T2A’s power hub and into the
enclosure. The minimum recommended wire gauge is 26 AWG and the maximum
recommended wire gauge is 14 AWG.
WARNING: Use appropriate construction technique to maintain the explosion proof
classification of the T2A.
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