Справочник Пользователя для Fluke 744
744
HART Mode Users Guide
HART Mode Users Guide
14
HART transmitter
Computation
Input
Physical
variable
4-20mA
loop
loop
Sensor trim
Pressure zero trim
Loop test
Output trim
Output trim
Output
PV
PVAO
744 Calibrator
pe02f.eps
Figure 3. Block Diagram of a HART Transmitter