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Alarm Systems
Transducer Range

Ringline 6 Channel Digital Transmitter
Ringline 6 Channel Receiver
Ringline Cat 4 Digital Transmitter
Ringline Earth Leakage Transmitter
Ringline I.S Digital Time Delay Tx
Ringline I.S Dual Channel Digital Transmitter
Ringline I.S Field Powered Receiver
Ringline I.S. 1/2/3 Channel Analogue Transmitters
Ringline I.S. Reader
Ringline I.S. Signal Line System
Ringline IS 2 Channel Receiver - AC
Ringline IS 2 Channel Receiver - DC
Ringline MkII Display
Ringline MkII Display (Ethernet/IP)
Ringline MkII I.S. System
Ringline MkII System
Ringline Modbus Interface
Ringline PLC interface with Tx
Ringline Programmer
Ringline Synchroniser with Modbus
Ringline Temperature Sensors
Ringline Temperature Transmitter
RLCONV - E/Stop & Pre-Start In One

Ringline I.S Digital Time Delay Tx

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The Ringline 4-channel Time-Delay Transmitter (RLTX4PTD) is designed to monitor limit switches in various processes where a time controlled response to a switch operation is desired.

Typical applications include drift switch monitoring and blocked chute switch monitoring on conveyors. The transmitter is capable of monitoring up to two switch inputs and provides a unique failsafe output in the Ringline system for each input. This means that time-delay inputs can be included in the safety function of the Ringline system and benefit from its high integrity safety features; a level of safety that cannot be achieved by standard monitoring in a PLC.

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