Siemens SIMATIC NET SCALANCE XM-400 - Installation on a Standard S7-300 Rail

Installation
5.4 Installation on a standard S7-300 rail
SCALANCE XM-400
Operating Instructions, 09/2018, C79000-G8976-C306-08
49
Removal
To remove the device from a DIN rail, follow the steps below:
1. Disconnect all connected cables.
2. Release the DIN rail catch on the bottom of the device using a screwdriver.
3. Pull lower part of the device away from the DIN rail.
5.4
Installation on a standard S7-300 rail
Installing on an S7-300 standard rail
Figure 5-2 S7-300 standard rail mounting
To screw the device to an S7-300 standard rail, you require a securing screw with the
following properties:
● Self-tapping screw 4 x 45 mm
● Screw head diameter: max. 7 mm
To install the device on an S7-300 standard rail, follow the steps below:
1. Place the second housing guide of the device on the top edge of the standard rail
①.
2. Screw the device to the lower part of the standard rail with the supplied securing screw
② (tightening torque 1.5 Nm), see also "Device views (Page 27)".
3. Connect the electrical connecting cables; refer to the section "Connecting up (Page 55)".