ABB Processor 958481320100 350211080090 CPU Module
The ABB Processor 958481320100 (order number 350211080090) is a central processing unit module for the ABB AC500 PLC platform. This CPU is designed for medium to large-scale automation systems, offering high-speed execution, ample memory, and versatile communication capabilities. It is suitable for machine control, process automation, and building management applications.
Technical Specifications
Product ID: 958481320100, 350211080090
Processor Type: 32-bit ARM Cortex-A8 (400 MHz)
Program Memory: 256 KB (expandable via SD card)
Data Memory: 1 MB (retainable, battery-backed)
Execution Speed: 0.03 µs per boolean instruction
I/O Capacity: Up to 1024 local I/O points, 8192 remote
Communication Interfaces: 1 × Ethernet (10/100), 1 × RS-232, 1 × RS-485, 1 × CANopen
Fieldbus Support: PROFIBUS DP (master/slave), Modbus TCP/RTU, CANopen
Integrated Display: LCD status display (2 lines, 16 characters)
Real-Time Clock: Yes, battery-backed
Power Supply: 24 V DC (from backplane or external)
Power Consumption: 5 W typical
Operating Temperature: 0°C to +55°C
Programming Software: Automation Builder / CoDeSys
Dimensions: 125 × 110 × 45 mm
Programming and Memory Management
The CPU is programmed using ABB's Automation Builder (based on CoDeSys V3), supporting IEC 61131-3 languages (LD, FBD, ST, IL, SFC). The non-volatile memory retains user program and data without battery backup for up to 1 year. An SD card slot allows program backup, data logging, and firmware updates. The CPU supports up to 32 tasks with configurable priorities and cycle times.
Communication and Expansion
The onboard Ethernet port can be used for programming, HMI communication (Modbus TCP), or as a PROFINET device. The CANopen port supports up to 127 nodes and can act as a master or slave. The CPU can be expanded with up to 10 local I/O modules and up to 64 remote stations via fieldbus.
Application Domains
This processor is ideal for packaging machinery, conveyor systems, water treatment plants, and HVAC control. Its combination of processing power, memory, and communication options makes it suitable for applications requiring fast response and integration with multiple devices.
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