Connecting The Supply Voltage; Connecting The Compressed Air - HEIDENHAIN VT 121 Mode D'emploi

5.4

Connecting the supply voltage

WARNING
Fire hazard due to wrong power cable!
Use of a power cable that does not meet the
requirements of the mounting location may cause a fire
hazard.
Use only a power cable that meets at least the
national requirements of the respective country in
which the product is mounted
The product fulfills the requirements of
standard IEC 61010-1 only if the power to
the peripheral devices is supplied from a
secondary circuit with current limitation as per
IEC 61010-1
3rd Ed.
limitation as per IEC 60950-1
2.5 or from a Class 2 secondary circuit as
specified in UL1310.
In place of IEC 61010-1
corresponding sections of standards DIN EN
61010-1, EN 61010-1, UL 61010-1 and CAN/
CSA-C22.2 No. 61010-1can be used, and, in
place of IEC 60950-1
corresponding sections of standards DIN EN
60950-1, EN 60950-1, UL 60950-1, CAN/CSA-
C22.2 No. 60950-1 can be applied.
Comply with the pin layout
42
, Section 9.4 or with power
, Section
2nd Ed.
, Section 9.4, the
3rd Ed.
, Section 2.5, the
2nd Ed.
Further information: "X101", Page 120
Remove and save the dust protection caps
Route the cables based on the mounting variant
Check the seals of the connection or cable
Connect the connector to connection X101
5.5 Connecting the camera interface
Comply with the pin layout
Further information: "X118", Page 120
Remove and save the dust protection caps
Route the cables based on the mounting variant
Check the seals of the connection or cable
Connect the connector to connection X118
The product automatically detects the pin layout of the
Ethernet cable being used (auto-crossover)
5.6

Connecting the compressed air

The cover glasses of the cameras are cleaned with jets of
compressed air.
Route the pressure tubes based on the mounting
variant
Connect the product to the compressed air unit via the
P1 and P2 threaded plug connections
HEIDENHAIN | VT 121 | Operating Instructions | 7/2020