7
e
5
Measuring system
Operating procedures:
• Access to basic functions on site via four pushbuttons on the electronic insert
• Matrix operation via plug-in display
• Matrix operation, communication and integration into process control systems
2-Wire, "Loop-Powered"
"
Power supply: via the transmitter
power pack e. g. PLC, with LUC-T10
connection via the Ex isolator (Zener
barrier), operation: via handheld
terminal, protocol HART,
e. g. KFD2-STC3-Ex1
#
connection to PROFIBUS-PA bus
for up to 10 transmitters,
operated by a PC
$
HART-Modem:
Interface to a PC for Smart
transmitters, operated by a PC or
protocol HART
1
3
2
PROFIBUS-DP
PLC
Ex isolator
HART
PLC
Isolator
PROFIBUS-PA
PLC
HART
Modem
Operation via HART
or PACTware
4-Wire, separate power supply
"
Operation via HART protocol:
point-to-point using handheld
terminal or PC (HART-Modem)
1
HART
Modem
PLC
Operation via HART
or PACTware
HART
Modem