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Mounting and Commissioning
3.1 Mounting and Connections
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 specifi-
cation).
• 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 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 current and voltage terminals at the rear of the device in the Sections „Con-
nections of the Current Terminals" and „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 4.24.
Figure 3-17
320
2
.
Mounting rails for panel surface mounting
SIPROTEC, 7SK80, Manual
E50417-G1140-C344-A5, Release date 11.2012
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