First Steps; Electrical Inspection - Siemens SIPROTEC 5 Series Hardware Description

Working on the Device

5.1 First Steps

5.1 First Steps

Electrical Inspection

5.1.1
Device Protection
!
DANGER
Danger when connecting the SIPROTEC 5 device
Noncompliance with the safety notes will result in death, severe injury or considerable material
damage.
The device must be situated in the operating area for at least 2 hours before you connect it to the
²
power supply for the first time. This prevents condensate from forming in the device.
If the device has been in storage for more than 2 years, connect it to an auxiliary voltage for 1 to 2
²
days. This will cause the electrolytic capacitors on the printed circuit-board assemblies to form again.
Perform the electrical inspection.
²
Activating the Battery
NOTE
i
i
The battery is covered by a protective film, which also prevents premature discharge.
The battery compartment is located on the rear of the base module. You do not have to take the battery
out of the compartment in order to remove the protective film.
Pull out the battery compartment including the battery.
²
Remove the protective film from the battery by simply pulling on the film tab.
²
Push the battery compartment including the battery back in again.
²
Grounding a Device
The SIPROTEC 5 devices are protection class I equipment must be connected with the system ground prior to
commissioning.
Ground each module with solid low-impedance system grounding (cross-section ≥ 4.0 mm
²
(≥ 0.0062 in
Connecting a Device
Connect all cables and lines. Use the connection diagrams in the Hardware and Device manuals.
²
Tighten the terminal screws to the prescribed torques (see chapter
²
Screws, Page
Grounding an On-Site Operation Panel
Join several on-site operation panels to one another with firm contact.
²
Siemens recommends the use of contact washers on painted metal mounting walls. If the mounting wall
is not metallic, place a metal layer, for example a metal sheet, between the mounting wall and the on-
site operation panels. Then connect this sheet to the system grounding.
154
2 ), grounding area ≥ M4, torque: at least 1.2 Nm).
213).
2
Tightening Torques for Terminal
SIPROTEC 5, Hardware Description, Manual
C53000-G5040-C002-C, Edition 10.2017