Chapter
2
Technical Information
HC8X Heat Control
2-20
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SICK AG · All rights reserved
8010043
Installation/Removal
2.3
Removing the HC8X
1.
Shut down the measuring system.
2.
Switch off the supply voltage of the control electronics and pull the plug from the mains
socket.
3.
Switch off the supply voltage of the power electronics and secure against switching on
again.
4.
Pull all plugs of the external temperature sensors from terminal strip X10.
5.
Unscrew two cross-slotted screws from the case cover, pull off the plug connection of
the grounding line and remove the case cover.
6.
Check whether the supply line on terminal strip X9 is free from voltage. When this is the
case, disconnect the wires.
7.
Pull all plugs from terminal strips X1 to X8.
8.
Loosen the four attachment screws on the case base plate of the HC8X by a few turns
and lift the HC8X from the attachment.
9.
Change individual electrical or mechanical assemblies only after contacting SICK. A fur-
ther disassembly of the HC8X heat control is not intended.
For the environmentally compatible disposal during the final shut-down, proceed according
