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•
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.
[schalttafeleinbau-7sj80-1-6tel-gehaeuse-20070107, 1, en_US]
Figure 3-11
Cubicle Mounting
3.1.3.3
To install the device in a rack or cubicle, two mounting brackets are required. The ordering codes are stated in
Appendix, Section
The housing (housing size
•
Loosely screw the two angle rails into the rack or cubicle with 4 screws each.
•
Remove the 2 covers at the top and bottom of the front cover. Thus, 4 elongated holes are revealed in
the mounting bracket and can be accessed.
•
Secure the device to the angle rails with 4 screws.
•
Mount the 2 covers again.
•
Tighten the 8 screws of the the angle rails in the rack or cubicle.
•
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 at the rear panel of the device in accordance
with the circuit diagram. The details on the connection technique for the communication modules on 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 at the rear of the device in Section
"Connections of the Voltage Terminals" must be strictly observed.
SIPROTEC 4, 7RW80, Manual
C53000-G1140-C233-4, Edition 07.2018
2
(Grounding area > M4, grounding area to be lacquer-free).
Panel flush mounting of a 7RW80
A Ordering Information and
1
/
) has 2 covers and 4 fixing holes.
6
2
(Grounding area > M4, grounding area to be lacquer-free).
Accessories.
Mounting and Commissioning
3.1 Mounting and Connections
137
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