Accelnet & Stepnet Plus Panels STO Manual 16-01338 Rev 00
Page 28 of 34 Copley Controls
8.4.3 CME2 Control Panel
CME2 is the PC based software tool used for configuring, commissioning, and troubleshooting Copley Control
digital servo drives. A graphic LED labeled “Safety” on the CME2 Control Panel screen gives the status of the
STO function:
Green = STO inactive. Torque production in the motor is under user control.
Red = STO active. Drive outputs are Safe-Torque-Off and cannot produce torque in the motorw1
In the screen capture below the Safety (STO) LED is red, indicating that the STO function is active.
The message in the box to the right “Active: STO-1, STO-2 off” refers to the STO channels, both of which are de-
energized, activating the STO function.
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