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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.
Power consumption: 9.5 mA in standby, 70 mA while signalling, up to 60 mA when signalling switched off; Communication interface: RS-485/Modbus RTU; Operating temperature: -40°C ÷ +85°C; Storage temperature: -40°C ÷ +85°C; Protection class: IP 65 (case); Transmission parameters: 9600 bit/sec; Connection cable: 4 conductors (2 supply conductors + 2 data transmission conductors); Case dimensions: 64 x 58 x 90 mm; Number of modules in 1 network: max. 127
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