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Hardware and Connections
2.3
Version of 7SA6 with Detached Operator Panel
2.3.1
Housing and Detached Operator Panel
Operator Panel
2-36
The numerical Distance Protection SIPROTEC
is intended for mounting it into a low-voltage box. It consists of a device in a 7XP20
housing for surface mounting and a detached operator panel for mounting onto a
mounting plate. 2 housing sizes are available, namely
The device and the detached operator panel are connected via a 68-pole cable 2.2 m
long. The precut cable is part of the detached operator panel and connects it to the
housing via a 68-pin connector (see also Figure 2-33 and 2-34).
Different termination techniques are available depending on the ordered version.
The housing consists of a rectangular tube with a rear plate specific to the device ver-
sion and a front cover without operator or display elements. Guide rail mats are mount-
ed at the top and bottom on the inside of the tube, to guide the modules during inser-
tion. Each guide rail mat has visible numbering from 1 to 42, designating the mounting
positions of the modules. The connection between the modules and to the front cover
is by means of flat ribbon cables and the corresponding plug connectors. The rear
plate screwed to the tube contains the required connectors for the external connec-
tions to the device.
The name plate containing the principal data of the device, such as auxiliary supply
voltage, the rated test voltage and the ordering code (MLFB) is located on the external
top of the housing and on the inside of the front cover.
1
For housing size
/
threre are 3 wholes and for housing size
2
the bottom and top angle to enable the mounting of the device.
The operator control element is composed of a front cover and a housing. On the front
cover there is a keypad with the operator and display elements. The device and key-
pad are connected via a communication cable with a plug connector inside the hous-
ing.
For mounting the operator control element onto the mounting plate the 4 covers locat-
ed at the corners of front cover must firstly be taken off. The removal reveals elongated
holes intended for the screws fastening the control element.
The operating and display elements are explained in the paragraph to be found direct-
ly after Figure 2-4.
®
7SA6 with detached operator panel
1
1
/
and
/
(of 19 inch).
2
1
1
/
5 wholes located at
1
C53000-G1176-C156-2
7SA6 Manual
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