Table of Contents
Advertisement
3.1.2.5
Reassembly
The assembly of the device is done in the following steps:
• Insert the modules carefully in the housing. The mounting locations are shown in
• First insert the plug connectors of the ribbon cable on the input/output boards C-
• Connect the plug connectors of the ribbon cable between the processor board C-
• Press plug connector interlocks together.
• Put on the front cover and screw it onto the housing.
• Put the covers back on.
• Re-fasten the interfaces on the rear of the device housing. This activity is not nec-
3.1.3
Mounting
3.1.3.1
Panel Flush Mounting
For 7SD610 (Picture 3-12) 4 covers and 4 holes exist.
• Remove the 4 covers at the corners of the front cover. Thus, 4 elongated holes are
• Insert the device into the control panel section and tighten it with 4 screws. For di-
• Replace the 4 covers.
• Connect the earth on the rear plate of the device to the protective earth of the panel.
• Connections are realized via the plug terminals or screw terminals on the rear side
7SD610 Manual
C53000-G1176-C145-4
figure 3-3. For the model of the device designed for surface mounting, use the metal
lever to insert the C-CPU-2 board. The installation is easier with the lever.
I/O–11 and then on the processor board C-CPU-2. Do not bend any connector pins!
Don´t use force!
CPU-2 and the front panel to the front panel plug connector.
essary if the device is designed for surface mounting.
revealed in the mounting bracket and can be accessed.
mensions refer to Section 4.17.
Use at least one M4 screw for the device earth. The cross-sectional area of the
earth wire must be equal to the cross-sectional area of any other control conductor
connected to the device. The cross-section of the earth wire must be at least
2
2.5 mm
.
of the device according to the circuit diagram.
For screw connections with forked lugs or direct connection, before inserting wires
the screws must be tightened so that the screw heads are flush with the outer edge
of the connection block.
A ring lug must be centred in the connection chamber, in such a way that the screw
thread fits in the hole of the lug.
The SIPROTEC 4 System Description has pertinent information regarding wire
size, lugs, bending radii, etc. Installation notes are also given in the brief reference
booklet attached to the device.
3.1 Mounting and Connections
283
Advertisement
Table of Contents
