Connecting Transmitter Ground; Connecting Ac Power Cable - R&S N 8000 Series System Manual

System type
R&S NV8303
R&S NV8304
a) AWG 10 according to UL/CSA is needed due to I(undervoltage) > 16 A; asymmetrical power distribution due
to add-on equipment
The recommended fuse ratings specified here apply to a power cable length of 20 m, a
Note
maximum ambient temperature of 45 °C and a minimum undervoltage of 320 V. The default
setting of 5 A for the overcurrent tripping element at the motor protection switch MUST be
observed.
5.1

Connecting Transmitter Ground

WARNING!
The rack must be connected to the station's main ground terminal.
A ground bolt is located on the bottom of the transmitter rack, and is easily accessible from
the front.
 Secure the external ground conductor to the ground bolt using the ground nut.
Fig. 10 Ground connection on transmitter rack
5.2

Connecting AC Power Cable

The external power supply is connected for each rack directly to its main switch. The main
switch completely isolates the rack from the AC supply. The connection is made using a 5-
wire cable (three phases, neutral line, protective line).
2098.0188.72
Chapter 3
Backup fuse Setting value Fixed value
Siemens auto-
Overload
matic line fuse,
trip
e.g.
3VL17 02-1DD33... 20 A
3VL17 03-1DD33... 25 A
- 3.15 -
Line cross-section
Short-circuit
VDE / UL
trip
2
300 A 2.5 mm
2
300 A 4.0 mm
Installation
a)
/ AWG 10
/ AWG 10
E-1