Nivobob
®
1
2
3
4
5
6
7
8
9
10
11
12
NB 3000
gi130109
20
Continuous level measuring system
NB 3000
Technical information / Instruction manual
page G
Electrical installation
Remote Box NB 9000 - Internal wiring and power supply
Panel mounting
version
24V DC
85 .. 264V
50-60Hz
alternative*
Terminal plug to
be connected to
COM1
NB 9000 panel
Wall mounting
version
Biasing
network
24V DC
85 .. 264V
50-60Hz
alternative*
* AC/DC converter:
Used, if AC power supply is
selected
Biasing
network
Connections to NB 9000 panel
are factory provided
Terminal 3-5:
Modbus connections to
NB 3000 units (see next
page)
Fuse 0,63A .. 1,6A
Fuse 0,63A .. 1,6A
Use shielded cable
* AC/DC converter:
Used, if AC power supply is
selected
If required: Power supply can
be taken from one of the NB
3000 power supply terminals
(see next page).
If required: Power supply can
be taken from one of the NB
3000 power supply terminals
(see next page).
Note:
Terminal
plug internal
connections:
Pin 1 and 4.
Pin 8 and 9.
Terminal 3-5:
Modbus connections to
NB 3000 units (see next
page)
Note:
NB 9000 COM1:
Modbus D1 =
Pin 1 and 4.
Modbus D0 =
Pin 8 and 9.
Cache = shield.