Modbus RTU Communication
Acromag's BusWorks 900MB Series is a high-performance collection of analog and discrete I/O modules and relay alarm outputs. Industrial Modbus RTU (Remote Terminal Unit) serial transmission mode. Â These units feature universal input/output ranges and an intelligent microcontroller to provide extreme flexibility and powerful monitoring and control capabilities. These Modbus RTU modules are ideal for a wide variety of distributed I/O applications including data acquisition, control, process monitoring, and test & measurement.Showing all 3 results
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VPM3000 Series: Universal Transmitter / Alarm with Display
- Big, bright display
- 4-20mA, ±10V, thermocouple, or RTD input
- 4-20mA, Modbus serial, or alarm relay output options
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APM765 Series: Universal Input with Alarm Panel Meter
- Universal input
- Isolated 4-20mA and Modbus output options
- Push-button or PC programmable,
- 85-265V AC or 90-265V DC power, optional 12-24V AC or 12-36V DC power
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PS5R: Slim Line Power Supplies
- 10W, 15W, 30W, 60W, 90W, 120W, and 240W models
- Universal Input (85-264V AC / 100-370V DC)
- Lightweight and compact size
Modbus BusWorks 900MB - Continued
Modbus devices communicate using a master-slave technique in which only one device (the master) can initiate transactions (called queries). The other devices (slaves) respond by supplying the requested data to the master, or by taking the action requested in the query. A slave is any peripheral device (I/O transducer, valve, network drive, or other measuring device) which processes information and sends its output to the master using Modbus. Acromag Series 900MB I/O Modules are slave devices, while a typical master device is a host computer running appropriate application software.