Tocsin 903 EEx d Controller

The Tocsin 903  provides a local display and control facility for the Tocsin 102 series gas detectors in Zone 1 and 2 hazardous areas. In addition to being equipped as a 4-20mA process transmitter  the Tocsin 903 is also fitted with serial digital addressable capability. The unit is fully compatible with Tocsin 700 and Tocsin 900 Control Panels which offer both addressable and analogue inputs as well as Modbus serial outputs. More conventionally the Tocsin 903 can be interfaced directly into DCS/BMS systems using its 4-20mA Process output. An alarm relay output card is available.

To compliment the system a range of accessories, calibration sets and audio visual alarms are available.

Please read the PDF-file(s) above for more detailed information

Features:

• 24V DC Powered
• Analogue or Digitally Addressable Output Options
• User configurable alarms
• Add extra alarm relay outputs
• RS485 I/O Capability