3 – 66 HEIDENHAIN Technical Manual TNC 426, TNC 430
The adapter includes plug-in terminal strips for the contacts of the
EMERGENCY STOP button and permissive button (max. load 1.2 A).
The plug-in terminal strips are supplied together with the adapter cable. If you
have an immediate need for these terminal strips, they can be ordered in
advance. See the “Additional components” table below.
Internal wiring of the contacts for the EMERGENCY STOP and permissive
buttons:
Additional components Id. Nr.
Dummy plug for EMERGENCY STOP circuit 271 958-03
Connecting cable
Spiral cable 312 879-01
Normal cable 296 467-xx
Metal armor 296 687-xx
Plug-in terminal strips for advance ordering
3-pin terminal block 266 364-06
4-pin terminal block 266 364-12
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