Control Functions

Q & A: Category 2 and Testing Intervals

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Logical block diagram for ISO 13849-1 Category 2 architecture.
This entry is part 1 of 2 in the series Q&A

Dur­ing the Free Safety Talks that we did with Schmersal Canada and Frank­lin Empire, we had a “hot ques­tion” come up regard­ing Cat­egory 2 archi­tec­ture and the test­ing inter­val require­ment. In the short video below, Doug answers that ques­tion. If you have more ques­tions or felt some­thing wasn’t clear in the video, leave us a com­ment and […]

Events

Five reasons you should attend our Free Safety Talks

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Banner for the Free Safety Talks

Reas­on #1 – Free Safety Talks You can’t argue with Free Stuff! Last week we partnered with Schmersal Canada and Frank­lin Empire to put on three days of Free Safety Talks. We had full houses in all three loc­a­tions, Wind­sor, Lon­don and Cam­bridge, with nearly 60 people par­ti­cip­at­ing. We had two great presenters who helped […]

Functional Safety

Q & A: Can Safety PLCs be used for Lockout?

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Disconnect Switch with Lock and Tag
This entry is part 2 of 2 in the series Q&A

The ques­tion of lock­out and the use of safety PLCs as a means to meet the lock­out require­ments comes up more and more fre­quently these days. Can Safety PLCs be used for lock­out? Safety pro­fes­sion­als don’t always agree on this con­tro­ver­sial top­ic! Dur­ing the Free Safety Talks that we did with Schmersal Canada and Frank­lin Empire, this […]