Panel Surface Mounting - Siemens SIPROTEC 4 Manual

Mounting and Commissioning
3.1 Mounting and Connections
[montage-7sj8x-einsechstel-gehaeuse-20070117, 1, en_US]
Figure 3-12
3.1.3.4

Panel Surface Mounting

When ordering the device as surface-mounting case (9th digit of the ordering number= B), the mounting
frame shown below is part of the scope of delivery.
For installation, proceed as follows:
•
Drill the holes for the mounting frame into the control panel.
•
Fasten the mounting frame with 4 screws to the control panel (the continuously open side of the
mounting frame is intended for the cable harnesses and can point at the top or bottom according to
customer specification).
•
Loosen the terminal blocks for the wiring, wire the terminal blocks and then click them in again.
•
Connect a solid low-ohmic protective and operational ground to the grounding terminal of the device.
The cross-section of the cable used must correspond to the maximum connected cross-section but must
be at least 2.5 mm
•
Connections are to be established via the screw terminals on the rear panel of the device in accordance
with the circuit diagram. The details on the connection technique for the communication modules at the
bottom of the device (port A and port B) in accordance with the SIPROTEC 4 System Description and the
details on the connection technique for the voltage terminals on the rear of the device in Section
"Connections of the Voltage Terminals" must be strictly observed.
•
Insert the device into the mounting frame (make sure that no cables are jammed).
•
Secure the device to the mounting frame with 4 screws. For dimensional drawings, refer to the Technical
Data, Section
138
Example installation of a 7RW80 in a rack or cubicle
2 (Grounding area > M4, grounding area to be lacquer-free).
4.12 Dimensions.
SIPROTEC 4, 7RW80, Manual
C53000-G1140-C233-4, Edition 07.2018