Endress+Hauser Tankvision NXA820 - 4.3 Field Connection Terminal Assignment (NXA820)

Wiring
15
4.2 Terminal assignment for Tank Scanner NXA820
L00-NXA82xxx-04-00-00-yy-019
A: Power supply; B: Fuse; C: Status relay; D: Fieldbus connection; E: Ground; F: System LAN port; G: Sync Link LAN port;
H: Service LAN port; I: Endress+Hauser CDI port; J: Display port; K: USB port; L: Weights & Measures locking switch
4.2.1 Power supply
Connector: Phoenix 7.62 GMSTB/GFKC
4.2.2 Status Relay
Connector: Phoenix FKC 2,5HC/3-St-5,08
!
Note!
The depicted switching state of the relay refers to the de-energized state.
23
1
6
7
8
W&M
RESET
RESET
NXA Status
Relay
E
L+
L-
6
7
8
3
2
1
Fuse
POWER
10,5 ... 32V DC
2AT
10 11 12 13
10 11
12 13
MODBUS
A
B
C
D
F
G
E
H
I
J K
L
Terminal Meaning for AC version
(90-250 V
AC
)
NXA820 - **1********
Meaning for DC version
(10.5-32 V
DC
)
NXA820 - **2********
1L L+
2N L-
3 Potential equalization Potential equalization
Fuse 400 mA T Fuse 2 A T
Terminal Meaning Remarks
6 normally open contact
• NXA operating normally:
terminals 7 & 8 are interconnected
• NXA powered off or fault status condition:
terminals 6 & 8 are interconnected
7 normally closed contact
8 switching contact