PanaFlow™ XMT1000 User’s Manual 75
Appendix D. Foundation Fieldbus Communication
D.8 Analog Input Block
The Analog Input (AI) Block (see Figure 31 below) is designed as a generalized signal conditioning function. The
output from an
AI block can be connected to the Fieldbus. The AI block receives and processes data measured by the
Transducer Block and provides additional functions such as scaling, filtering, alarm generation, and trending.
Figure 31: Analog Input (AI) Block
D.9 PID Block
The PID function offers control based on a programmable algorithm. The PID function block may be used with a valve
to control flow.
Note: See Foundation Fieldbus Specifications for more detail on use of the
PID Block.
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