Fema LP4, User Manual

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F E MA · MANUFACTURING FOR INDUSTRIAL AUTOMATION 10
Instruments without front keypad.
To configure the instrument,
remove the meter from the panel
and remove the front filter. Internal
press buttons for configuration
are accessible. Optionally, request
the instrument preconfigured from
factory.
Without front keypad
O-ring for IP65 front protection
Instruments can be adapted to your needs :
• improved technical specifications
• custom configurations
• special functions
• ...
21. Application examples 22. Options and accessories
Table 8 | Example of LP4 ‘ loop powered meter ’ placed close to the transmitter
using the existing loop to the PLC
4/20 mA
transmitter
Units
LP4 loop powered
meter
PLC
The LP4 loop powered meter can be directly inserted into the existing current
loop that connects the trasmitter and the PLC. Just cut the loop, and connect
the LP4. Place it close to the transmitter to provide instant information to the
local operator and maintenance personnel.
Table 9 | Example of LP4 ‘ loop powered meter ’ placed close to the transmitter
4/20 mA
transmitter
Units
LP4 loop powered
meter
Power supply
+
-
The LP4 loop powered meter can be used to for local visualization of the
transmitter reading.
22.1 Other options
22.1.1 Option NBT
22.1.2 Option 65
22.1.3 Option ‘customized’