Endress+Hauser NRF81 - Page 12

Electrical connection Tankside Monitor NRF81
12 Endress+Hauser
6.2 Connecting the device
6.2.1 Terminal assignment
D
E
F
C
B
A
1
1
1
1 3
2
2 4
1
HR
CDI
WP
on
SIM
2
2
3
3
4
4
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
i
D
E
F
C
B
A
1
1
1
1 3
2
2 4
1
HR
CDI
WP
on
SIM
2
2
3
3
4
4
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
i
G
1
3
2
POWER
G
1
3
2
POWER
G1 N
G3 L
AC 85...264 V
A0027362
 4 Terminal compartment (typical example) and ground terminals
Housing thread
The threads of the electronics and connection compartment can be coated with an anti-
friction coating.
The following applies for all housing materials:
Do not lubricate the housing threads.
Terminal area A/B/C/D (slots for I/O modules)
Module: Up to four I/O modules, depending on the order code
• Modules with four terminals can be in any of these slots.
• Modules with eight terminals can be in slot B or C.
The exact assignment of the modules to the slots is dependent on the device version
→  17.
Terminal area E
Module: HART Ex i/IS interface
• E1: H+
• E2: H-
Terminal area F
Remote display
• F1: V
CC
(connect to terminal 81 of the remote display)
• F2: Signal B (connect to terminal 84 of the remote display)
• F3: Signal A (connect to terminal 83 of the remote display)
• F4: Gnd (connect to terminal 82 of the remote display)