Endress+Hauser Tankvision NXA820 - Terminal Assignment for Host Link NXA822

Wiring
21
4.4 Terminal assignment for Host Link NXA822
L00-NXA82xxx-04-00-00-yy-021
A: Power supply; B: Fuse; C: Status relay; D: System LAN port; E: Sync Link LAN port; F: Service LAN port;
G: RS232 Host connection; H: RS485 Host connection; I: Endress+Hauser CDI port; J: Display port; K: USB port;
L: Weights & Measures locking switch
4.4.1 Power supply
Connector: Phoenix 7.62 GMSTB/GFKC
4.4.2 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
DTR
DSR CTS
RTS
RS485
RS232
C
B
A
18
17
16
A
B
C
D E
F
G
H
I
J
K
L
Terminal Meaning for AC version
(90-250 VAC)
NXA822 - **1******
Meaning for DC version
(10.5-32 VDC)
NXA822 - **2******
(in preparation)
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