HEIDENHAIN VT 121 Operating Instructions Manual page 42

NOTICE
Interference due to non-compliance with the minimum
clearances
When mounting the product, maintain the specified
minimum distances from the sources of interference to
prevent the occurrence of interference.
When mounting the product, ensure that the
specified clearances are maintained
HEIDENHAIN
> 100 mm > 100 mm
M
Figure 4: Sources of interference and signal-to-noise ratios
42
5.3
Reduced leak tightness due to missing protective caps
If there are no cables connected or protective caps
attached to the product's connections, the tightness of
the product cannot be guaranteed while it is inside the
machine's working space.
PLC
> 200 mm
Side view without dust protection caps
Further information: "C", Page 4
Connections:
1 P2: compressed air for both cameras
2 P1: filler plug
3 X118: camera interface
4 X101: supply voltage
Circuit diagram
Further information: "D", Page 5
Device overview
NOTICE
Remove the protective caps only for connecting a
cable
Attach the protective cap to the connection
immediately after disconnecting a cable
Threaded plug connection for 8 mm tube
Optional: threaded plug connection for 6 mm tube
Optional: threaded plug connection for 6 mm tube
8-pin X-coded M12 flange socket (female)
12-pin A-coded M12 flange socket (male)
HEIDENHAIN | VT 121 | Operating Instructions | 03/2022