Function blocks
108 Function blocks for TwinSAFE logic components
3.12.4 TON extension
Support
The extensions described below are only available in the EL6910 or newer terminals. These options
cannot be used under the EL6900 and KL6904.
In the EL6910 the FB TON now also supports times between 1 ms and 600 seconds. The function block
has two timebases: 1 ms and 10 ms.
With a timebase of 1 ms the maximum time is 60,000 ms in 1 ms steps.
With a timebase of 10 ms the maximum time is 600,000 ms in 10 ms steps.
The timebase is automatically selected in TC3.1 Safety Editor according to the set time.
Extension FB TON and FB TON2 (Software 04 - EL6910)
As of software version 04 of the EL6910 and newer TwinSAFE logic components, the FB TON also
supports the time base of 100 ms and 1000 ms. This allows switch-on delays of up to 60,000 s to be set.
3.12.5 Display in TwinCAT 3
Display of the function block and its properties in TwinCAT 3.
Figure 3-56: FB TON in TwinCAT 3
Figure 3-57: FB TON properties
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