Operating instructions

6-35© Siemens AG 2007 All Rights Reserved
SICLOCK
®
TC400
Connecting 6
6.1 Connecting overview
Note the following requirements for the setup:
The device may only be connected to 24 VDC power supplies that meet the
requirements of a functional extra-low-voltage with safe isolation (PELV). The
cable cross-section must be chosen to ensure that no damage can result from
a cable overheating in the event of a short-circuit in the SICLOCK TC400. For
cable cross-section, see Connecting the power supply (Section 6.2).
Avoid extreme environmental conditions as far as possible.
Protect the device against dust, moisture, heat and severe vibration.
Do not place the device in direct sunlight.
Install the device in such a way that it does not present a hazard (e.g. by falling
out).
Do not cover the vent slots.
Permitted mounting position (Section 4.4.2).
Caution
Only connect I/O devices that are suitable for industrial use.
Caution
Strictly adhere to the specifications for I/O devices.