We have a new Web poll on ControlDesign.com. This poll asks machine builders like yourself what type of controller they use as part of their machine safety system?
- Safety relay(s) with hardwiring
- Programmable safety PLC with hardwiring
- Safety controllers
- Programmable safety PLC with mix of digital safety bus and hardwiring
- Programmable safety PLC with digital safety bus
- Programmable safety PLC on same bus as the machine controls
- None. Safety is the customer's problem
