Aspar specializes in industrial automation equipment, producing high-quality Modbus I/O expansion modules and controllers for various PLC applications.
Aspar (manufactured for Aspar s.c. by Ampero) is a provider of industrial automation solutions based in Poland. The brand focuses on the development and production of Modbus expansion modules, including digital and analog I/O modules, temperature measurement modules, and relay output units.
These components are designed to easily integrate with popular PLCs, HMIs, and PCs using RS485 communication protocols (Modbus RTU and Modbus ASCII). Engineered for DIN rail mounting, Aspar devices offer reliable performance for complex automation setups, ensuring seamless data transmission and system control in demanding industrial environments.
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Aspar module configuration is typically done via USB using a dedicated computer program provided by Ampero, or parameters can be changed directly using the MODBUS protocol via RS485.
The default baud rate for most Aspar Mini Modbus expansion modules is 19200 bps.
Turn off the power, turn on the specific configuration switch (often SW8 or SW6 depending on the model), turn the power back on, and when the power and communication LEDs blink alternately or flash, turn off the switch. Note that this clears all stored register values.
You can use the Modbus Configurator software from Ampero. It communicates via a Mini USB cable and does not require additional drivers.