SMS4000

The SMS4000 Analog Shaft Monitoring System is used to monitor the digital inputs on a conveyance in a shaft. Digital inputs are useful to monitor whether cage doors are fully closed and whether poles are in place when conveying material cars. The system is also frequently used as a derailment tripping device on conveyances used in decline shafts.

• The system can be used on material carriages to monitor the presence of poles, status of doors etc..
• System can be used as a derailment tripping device to monitor carriages in a decline shaft.
• No dead-spots in the shaft.
• The system is very compact and consists of a Transmitter/Battery Enclosure, Monitor/Receiver, optional PSU/UPS and Coupler.

• Ten frequencies (channels) available.
• Low output power (into the coupler) of only 50mW.
• Low current consumption.
• 4 digital inputs to monitor doors, booms, derailment etc.
• Relay output indication.