This product is AC500-eCo series CPU with integrated Ethernet interface belonging to ABB AC500 PLC product platform, manufactured according to IEC industrial standards and ABB global production specifications. It serves as DIN rail mounted core control unit for small and medium automation systems, executing user control programs, processing peripheral S500 I/O data and supporting both serial and Ethernet communication to connect HMI, field drives and upper monitoring equipment.

3BDH is fixed internal material coding prefix for ABB AC500 series CPU controllers.001010 is exclusive internal part number of this Ethernet-equipped eCo CPU in ABB product database.R0001 stands for the designated fixed hardware revision code of this controller model.

The rated working power supply is DC24V with permitted operating voltage range from 20.4VDC to 28.8VDC. Operating ambient temperature ranges from -25℃ to +60℃, storage temperature ranges from -40℃ to +85℃, protection grade is IP20 for cabinet installation. The controller complies with IEC61000 EMC standard and passes industrial anti-vibration certification, compatible with full S500 series expansion I/O modules.

The CPU is equipped with one onboard RS485 terminal supporting Modbus RTU protocol and one integrated RJ45 Ethernet port supporting Modbus TCP. Rear backplane bus interface connects to S500 terminal bases to realize high-speed cyclic data interaction with expanded digital and analog I/O modules.

As the central processing core of the PLC system, it runs downloaded user application programs to complete logic interlock computation, arithmetic processing and PID closed-loop regulation. It periodically reads field acquisition signals from connected I/O modules and transmits corresponding control commands to field executing devices. It realizes data exchange with local field devices via RS485 bus and uploads running data to remote SCADA or upper system through Ethernet channel.

It is widely deployed inside control cabinets of packaging equipment, pump and fan centralized control, small water treatment, HVAC automation, textile machinery and factory auxiliary intelligent monitoring projects requiring Ethernet networking function.

Verify DC24V power polarity before powering up to prevent reverse voltage damage, mount the controller onto standard DIN rail and install matched S500 terminal bases in sequence. Complete RS485 and Ethernet wiring following standard specification and configure communication parameters inside programming software. Conduct routine maintenance every six months, clear dust on shell and communication ports with dry soft brush and avoid all liquid cleaning solvents. Replace the whole CPU unit when persistent main control failure appears after eliminating power and wiring faults, unauthorized disassembly and internal circuit modification are prohibited.