FMC Corporation - Talstar 80 - Handbuch (Seite 55)

Proline Promass 80 PROFIBUS PA Commissioning
55
Assignment of the measured variables to the AI module
The AI module can transmit different measured variables to the PROFIBUS master (Class 1).
The measured variables are assigned to the Analog Input function blocks 1 to 4 by means of the local
display or with the aid of an operating program (e.g. FieldCare) in the CHANNEL function:
COMMUNICATION
→ BLOCK SELECTION: select an Analog Input function block →
CHANNEL: select a measured variable
Possible settings
Factory setting:
Example:
You want to cyclically transmit the mass flow to the PROFIBUS master (Class 1) by means of the
Analog Input function block 1 (module AI, slot 1) and the temperature by means of the Analog Input
function block 2 (module AI, slot 2).
1. COMMUNICATION
→ BLOCK SELECTION: select ANALOG INPUT 1, then select
CHANNEL = MASS FLOW
2. COMMUNICATION
→ BLOCK SELECTION: select ANALOG INPUT 2, then select
CHANNEL = TEMPERATURE
Measured variable ID for CHANNEL function
MASS FLOW 277
VOLUME FLOW 273
CORRECTED VOLUME FLOW 398
DENSITY 281
REFERENCE DENSITY 402
TEMPERATURE 285
Module Analog Input
function block
Measured variable Unit ID for CHANNEL
function
AI (slot 1) 1 MASS FLOW kg/s 277
AI (slot 2) 2 VOLUME FLOW m/h 273
AI (slot 3) 4 DENSITY kg/l 281
AI (slot 4) 6 TEMPERATURE K 285