4 Getting Started
4.3 Electrical Connection
27
SICAM I/O Unit, 7XV5673, Device Manual
E50417-H1040-C484-A3, Edition 05.2012
4.3
Electrical Connection
4.3.1
Safety Notes
•
Before commissioning the device, you have to check that all connections are made properly.
•
Connect the protective conductor terminal H
to the protective conductor of the switch panel or of the
control cabinet.
•
To allow temperature equalization and to avoid dimness and condensation, Siemens recommends leaving
the device for a minimum of 2 hours in the operating room before using it.
DANGER
Hazard posed by high contact voltage.
Non-observance leads to death or serious injury.
✧
Only trained personnel (see Preface), who is familiar with the safety requirements and precautions and
observes them can carry out the work.
✧
If there is any dangerous voltage present, work may never be carried out.
✧
Connect the protective conductor terminal H
to the protective conductor of the switch panel or of the
control cabinet.
✧
De-energize the device.
✧
In addition, a suitable isolating device shall be connected upstream in order to be able to disconnect the
device from the power supply!
✧
Secure the supply voltage with an approved (UL/IEC) fuse: 1.6 A, type C.
✧
If a melting fuse is used, a suitable approved (UL/IEC) fuse holder has to be used.
NOTE
For electrical installations you have to observe and comply with the national and international provisions con-
cerning the installation of electrical power installation and the low voltage directive 2006/95/EG.
NOTE
Before switching on the supply voltage, please check whether the operational data comply with the rated data
on the name plate and the technical data according to chapter 11.1. This applies particularly to the U
H
supply
voltage and the maximum values on the binary inputs and the relay outputs.
MAN_SICAM_IO-Unit_7XV5673_US.book Page 27 Thursday, May 10, 2012 10:59 AM