Simex TRS-B1a Sound Signal Device
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
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.
Features:
- 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)
Dispatch
In-stock orders are dispatched within 2 business days.
Shipping options
We deliver across Australia and internationally by any of the following methods:
- Australia Post Express
- Australia Post Parcel Post
- DHL
- FedEx (only international)
- Freight account. We'll email packaging dimensions when the shipment is ready to be book.
*Transit times vary depending on the shipping method and destination.
Store Pickup - Carrum Downs, Victoria, 3201
Order before 11am to collect after 2pm the same day. Mon–Fri, 9am–5pm, excludes public holidays.
RETURNS
How to return an item Contact us before sending anything back. Email info@oceancontrols.com.au or call +61 3 9708 2390. We'll confirm eligibility and guide you to the return process.
Return window 14 days from dispatch date.
Condition required Items must be unused and in original packaging, including all documentation and manuals.
Restocking fee A 20% restocking fee applies to all accepted returns. Return shipping costs are the customer's responsibility.
Non-returnable items
- Custom-made or specially imported products
- Software licences (some software have trial versions available)
- Items not in original, as-new condition
WARRANTY
How to make a warranty claim Before returning anything, please contact us. Our engineers can often resolve the issue remotely. If a return is required, our team will provide you with a warranty form to include with the goods.
What's covered Defects in materials and workmanship under normal use and correct installation.
What's not covered The warranty does not cover damage or failures caused by factors outside our control, including incorrect installation, unauthorised alterations or modifications, or any installation or use not recommended by the manufacturer.
Standard warranty All products carry a 12-month warranty from the date of purchase unless stated otherwise.
Extended warranty
- Labjack: 5 Years
- Atop: 5 Years
- MeanWell: 3 Years
- Teracom: 3 Years
- Novus: 3 Years







