Details: Application: The equipment is installed to inspect the chute block fault in the belt transportation system. The shutdown alarm would be sent automatically when the equipment detects the block fault in the chute. Output contacts: 2NO (Normally Opened) 2NC (Normally Closed) Contact capacity: AC/220V/5A Power: AC 220V Resistance Range: ≤5MΩ Environment temperature: 一40℃-+60℃ Level: IP65 Communication interface: Terminal coder (Optional) Communication distance: 1.2Kms with Twisted-pair, 50Kms with cable.