Endress+Hauser NRF81 - Installation; Installation Conditions and Mounting

Electrical connection Tankside Monitor NRF81
16 Endress+Hauser
HART Ex i/IS interface
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
E
1
1
2
CDI
i
3
A0033414
E1 H+
E2 H-
3 Orange LED: indicates data communication
This interface always operates as the main HART master for connected HART slave
transmitters. The Analog I/O modules, on the other hand, can be configured as a HART
master or slave →  20 →  23.