Siemens SITRANS LUT400 - Page 16

LUT400 Communications Options
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APPLICATION GUIDE
Summary Chart
4-20 mA card HART card PA gateway
Ethernet
Gateway
Wireless
HART
Gateway
FF Gateway
Modbus
Gateway
Access to PV Yes Yes Yes Yes Yes Yes Yes
Access to
secondary
variable
No Yes* Yes* Yes* Yes* Yes* Yes*
Access to
variables from
HART
commands
No Yes* No Yes* Yes* No No
Access to status No Yes Yes Yes Yes Yes Yes
Full accuracy No Yes Yes Yes Yes Yes Yes
PDM access Local Remote Local Remote Remote Local Local
PACTware
access
Local Remote Local Remote Local Remote Local
AMS
Access
Local Local Local Local Remote Local local
Main Benefit Easy
Totally
Integrated
Automation
Connection to PA
Ethernet
connection
Wiring savings
and TIA
Connection to
FF
Connection to
Modbus
Main
disadvantage
No status or
remote access
No remote access
via configuration
software
No easy
connection to
PLC
Capital cost
No remote
access via
configuration
software
No remote
access via
configuration
software
* Requires application code in host system