Siemens Simotion TM 121C Applications Manual page 18

Operating modes
Operating instructions
•
The machine stops at the next BDC when the external enable signal ceases. It
can be restarted with this signal alone within the next 30 s.
•
Two switching steps (see "Definition") are always required when a restart does
not take place within the next 30 s or when a safety device or a continuous
stroke stop (BDC or immediate stop) was activated.
Parameterization
Figure 2-9
2-18
Enabling of operating mode 5
© Siemens AG 2003 All Rights Reserved
SIMOTION Safety Unit (AP) - Edition 06.2003