Endress+Hauser Tankvision NXA820 - Terminal Assignment for Tank Scanner NXA820; Data Concentrator NXA821

Wiring
19
4.3 Terminal assignment for Data Concentrator NXA821
L00-NXA82xxx-04-00-00-yy-020
A: Power supply; B: Fuse; C: Status relay; D: System LAN port; E: Sync Link LAN port; F: Service LAN port;
G: Endress+Hauser CDI port; H: Display port; I: USB port; J: Weights & Measures locking switch
4.3.1 Power supply
Connector: Phoenix 7.62 GMSTB/GFKC
4.3.2 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
A
B
C
D
E
F
G H
I
J
Terminal Meaning for AC version
(90-250 VAC)
NXA821 - *1*******
Meaning for DC version
(10.5-32 VDC)
NXA821 - *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