![Beckhoff EL1918 Operating Instructions Manual Download Page 42](http://html1.mh-extra.com/html/beckhoff/el1918/el1918_operating-instructions-manual_2719591042.webp)
Operation
EL1918
42
Version: 1.2.0
This assumes that a signal change occurs at the sensor and is transmitted to the input. A communication
error occurs at precisely the moment when the signal is to be transferred to the communication interface.
This is detected by the logic following the watchdog time of the communication link. This information should
then be transferred to the output, but a further communication error occurs here. This error is detected at the
output following the expiry of the watchdog time and leads to the switch-off.
This results in the following equation for the worst-case reaction:
with, for example
Summary of Contents for EL1918
Page 2: ......
Page 54: ...Appendix EL1918 54 Version 1 2 0 5 2 Certificates...