409-35011
Rev D
11
of 83
Safety interlocks
The machine has safety interlocks in two locations:
Under the sliding top guard at the front-left corner of the chassis
The top-left inside corner of the scrap door
Sliding door interlock
The interlock located under the sliding door (Figure 8 and Figure 9) is monitored by a dedicated safety
relay. When the sliding door is opened, the four servo-motor axes are disabled through a Safe Torque Off
(STO) function. In this state, the drives are still energized, but their motor outputs are disabled, the
machine air supply is turned OFF, and residual air pressure is exhausted. This effectively stops all
machine motion. When the sliding door is closed, and if the Emergency Stop relay is energized, the
Interlock safety relay automatically re-enables the STO outputs and reapplies air pressure.
CAUTION
The machine air supply to the valve controlling the scrap vacuum remains energized when the interlock is interrupted.
Disconnect and “Lock Out/Tag Out” the main air supply
before performing maintenance or repair.
Figure 8: Top guard interlock closed
