The E-Stop That Restarted Automatically We wired an e-stop circuit. When the operator hit the e-stop, the machine stopped. But when the e-stop was released (twisted to reset), the machine restarted on its own. The operator hadn’t cleared the fault or pressed “start.” The problem: the safety relay had an automatic reset (auto-monitored reset). When …

Continue reading “E-Stop Reset Circuit: Manual Monitored Reset and Safety Monitor Relay”