Features

General

• Polarity-neutral bus connection
• 24-bit analog-digital converter for high resolution
• Electrically isolated
• Version for use in hazardous areas
• Special characteristic
• Sensor redundance

Transmitter with PROFIBUS PA communication

• Function blocks: 2 x analog

Transmitter with FOUNDATION fieldbus communication

• Function blocks: 2 x analog and 1 x PID
• Functionality: Basic or LAS

Mode of operation

The following function diagram explains the mode of operation of the transmitter.

The only difference between the two versions of the SITRANS TF (7NG3137-... and 7NG3138-...) is the type of field bus protocol used (PROFIBUS PA or FOUNDATION fieldbus).

SITRANS TF with TH400, function diagram

System communication

SITRANS TF with TH400, communication interface