Wiring
16
4.2.3 Field connection
4.2.4 LAN connection
4.2.5 Additional elements in the terminal compartment
Terminal Modbus EIA485
1)
NXA820 - *4*********
1) For details → Page 17
Sakura V1
2)
NXA820 - *8*********
2) For details → Page 18
10 A Data signal (-) B Data signal (+)
11 B Data signal (+) A Data signal (-)
12 C Signal Common not connected
13 S Capacitive Shield S capacitive shield
)
Ground Ground
Socket Meaning Remarks
System LAN port Connects the instrument to the network.
Sync Link LAN port
(in preparation)
Used for connection to redundant unit.
If the primary unit fails, its task is taken over by the redundant unit.
Service LAN port Connects the instrument to a computer locally for service purpose.
Only this instrument can be configured. The Service LAN port does not
allow access to the network.
Symbol Meaning Remarks
Endress+Hauser CDI port Not used in the Tankvision instrument.
Display port For the connection of the local display in the housing cover.
Is connected on delivery.
USB port Reserved for future enhancements.
W&M
Weights & Measure Switch • :W&M parameters are unlocked and can be changed.
• :W&M parameters are locked and cannot be changed.