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Sensor Board MSB2

Sensor board with RS 485 interface, 4 – 20 mA output and further options for integration of the Sensor Cartridge SC2 and/or for connection of analog sensors

Gas detection system

Gas detection sensors

Product Description

Sensor Board for the connection of max. three sensors in total, two of them may be Sensor Cartridges of the SC2 series via local bus and/or up to three of them analog sensors with 4 to 20 mA signal. The MSB2 provides the power supply of the SC2(s) and makes the measured data available for digital communication and for the 4 to 20 mA output. Communication with the DGC06 controller takes place via the RS 485 field bus interface with DGC06 protocol. The optional alarm relays can be controlled both via the DGC 06 controller and locally via the measurement signals. The digital input for acknowledgment or test function and other options such as display or various communication protocols for direct connection to superordinate BMS ensure the adaptation to the wide range of applications in gas detection technology.
The SC is connected to the local bus via a plug connection enabling simple SC exchange instead of an on-site calibration. The internal X-Change routine recognizes the exchanged SC after the exchanging process and starts the measurement mode automatically. An LED indicates the correct procedure of the exchange operation. As an alternative, the on-site calibration via the DGC06 Service Tool can be used with the integrated, comfortable calibration routine.

  • Power supply: 16 – 29 V DC, reverse-polarity protected
  • Power consumption:(24 V DC) only MSB2 board 100 mA (2.4 VA)
  • Analog input: Input signal 4 -20 mA, overload and short-circuit proof, input resistance 200 ohma
  • Tension for external analog sensors 24 V DC, max. 100 mA
  • Signal input, Potential-free contact
  • Acknowledge or test function
  • Analog output signal Proportional, overload and short-circuit proof, load 500 Ohm
  • 4 - 20 mA = measuring range
  • 3.0 <4 mA = underrange
  • > 20 - 21.2 mA = overrange
  • 2.0 mA = fault
  • Output for local bus
  • 5 V DC, 250 mA max., Overload, short-circuit and reverse-polarity protected
  • Temperature range:-35 °C to +50 °C (-31 °F to +122 °F)
  • Humidity range: 15 - 95 % RH not-condensing
  • Storage temperature: +5 °C to +30 °C (+41 °F to +86 °F)
  • Storage time: 6 months
  • Local bus: 1-wire / 19200 Baud
  • Field bus: RS 485 / 19200 Baud
  • Tool bus: 2-wire / 19200 Baud
  • Protection class: IP 65
  • Wire connection: Field bus
  • Local bus
  • Digital input, analog output
  • Power supply, relays
  • Screw-type terminal min. 0.25 mm2, max. 2.5 mm2
  • Local bus: 3-pin connector
  • Screw-type terminal min. 0.25 mm2, max. 1.3 mm2
  • Screw-type terminal min. 0.25 mm2, max. 2.5 mm2
  • Directives
  • EMC directives 2014/30/EU
  • Low voltage directive 2014/35/EU
  • CE
  • Conformity to:
  • EN 50271
  • EN 61010-1:2010
  • ANSI/UL 61010-1
  • CAN/CSA-C22.2 No. 61010-1
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