This is an old revision of the document!
This is how the safety circuit is implemented at the moment. This diagram will be updated when the new wireless e-stop is developed and implemented (approx. november 2011)
MSR320 MSR330 SensaGuard
http://www.ab.com/en/epub/catalogs/3377539/5866177/3377559/6388299/3378096/6858700/print.html
http://www.ab.com/en/epub/catalogs/3377539/5866177/3377559/6388299/3378096/6858700/Introduction.html