Siemens Simatic MP 377 Operating Instructions Manual page 30

Mounting and connecting the HMI device
4.1 Mounting the HMI device
Procedure
CAUTION
Degree of protection on front at risk
If the mounting seal is damaged, if it does not fully rest in the groove for the mounting seal
or if the ends of the mounting seal do not meet in the groove, then the degree of protection
is not guaranteed for the front of the HMI device.
Check the mounting seal and its proper seat.
Damage due to overheating
If the vents are covered on the HMI device or if the air does not flow freely to the fans, the
HMI device may be damaged. The approvals and warranties for the HMI device will
become void.
Ensure unblocked ventilation of the HMI device.
Note
Always mount the HMI device according to the instructions in this manual.
Tighten the threaded pins of the mounting clamps until the HMI device is flush with the front
of the control cabinet. You have the option to tighten the mounting clamps with a maximum
torque of 0.2 Nm.
Proceed as follows:
1. Check the mounting seal and its proper seat.
2. Insert the HMI device into the mounting cutout from the front and secure the HMI device
3. Insert a mounting clamp into the HMI device.
4. Fasten the mounting clamp ① by tightening the threaded pin ②.
5. Check the installation.
Result
The HMI device is mounted and the relevant level of protection is ensured at the front.
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to prevent it falling out.
Begin with the top center mounting clamp.
Repeat steps 3 and 4 for all mounting clamps.
If necessary, repeat steps 1 to 5.
MP 377 15" Touch daylight readable (WinCC flexible)
Operating Instructions (Compact), 04/2009, A5E02532357-01