Simex TRS-B1a Sound Signal Device

Simex TRS-B1a Sound Signal Device

SKU: SID-025

The TRS-B1a sound signal device is designed to signal events with a sound or light. It is controlled by means of Modbus RTU RS-485 link

  • Manufacturer: Simex
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  • $142.81
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The TRS-B1a sound signal device is designed to signal events with a sound or light. It is controlled by means of RS-485 link, which allows for activating of the sound signal (a buzzer with variable tone) and/or light signal (a flickering diode). The module is dedicated to the TRS Temperature Recording System and it is equipped with Modbus RTU communication bus. It can be used with other systems where the communication is consistent with the Modbus RTU standard.


  • Sound and Light Device
  • RS-485 / Modbus RTU
  • Fixed 9600,8,N,1 baudrate

Manufacturer Part No: TRS-1Ba-001

  • Power Supply: 9  to 12VDC, typically 10V
  • Power Consumption: 9.5mA (standby), 70 mA (while signalling), up to 60 mA (signalling switched off)
  • Communication Interface: RS-485 / Modbus RTU
  • Transmission Parameters: 9600 bit/sec..
  • Operating Temperature: -40°C to +85°C
  • Storage Temperature: -40°C to +85°C
  • Connection Cable: 4 conductors (2 supply conductors + 2 data transmission conductors)
  • Number of Modules In 1 Network: max. 127
  • Mounting to wall: 2 x M3 bolts
  • Protection Class: IP 65 (case)
  • Case Dimensions: 64 x 58 x 90 (mm)
    • SKU
    • Weight
      0.15 kg
    • Dimensions (L x W x H)
      10 x 8 x 10 cm

Faulty Goods and Warranty

Where such goods have been supplied we undertake to repair or replace them as quickly as possible.Prior to returning faulty items, please contact us with a description of the fault as one of our engineers might be able to assist you by resolving the issue over the phone.
A Warranty form must be filled out and returned with any goods.

Our standard warranty period is 12 months from the date of purchase unless stated otherwise.

Other warranty periods:

Labjack Products: 5 Years
Atop Products: 3 Years
MeanWell Products: 3 Years
Terracom Products: 3 Years

Warranty is subject to us being satisfied that a defect was caused by defective workmanship or materials and was not caused by or was not substantially contributed to by other factors beyond our control including incorrect installation, alterations or modifications of the product not recommended by the manufacturer.

Returns Policy

If you are dissatisfied with our goods you may return them within 14 days of the dispatch date. Contact us for an authorisation and we will refund your purchase less shipping costs and restocking fees. All returned goods MUST be in AS NEW condition including ALL PACKAGING and DOCUMENTATION / MANUALS etc.

Please note:

  • The product returned will attract a 20% restocking fee.
  • The customer must pay the delivery costs.
  • Non standard, custom made or a specially manufactured or imported products are not returnable.
  • Semiconductors, books and software are not refundable

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