TheABB PM581 (1SAP140100R0100)is a mid-range, compact programmable logic controller (PLC) within the AC500 platform, engineered to deliver high-performance logic execution for diverse industrial automation needs. With256 kBof non-volatile program memory and a high-speed processor capable of executing 1,000 logic instructions in just0.05 ms, it strikes an ideal balance between speed and capacity.
Technical Specifications
Manufacturer:ABB
Product ID:1SAP140100R0100
Model Number:PM581
Power Supply:24 V DC
Memory Configuration:
User Program:256 kB (Flash EPROM)
User Data:416 kB (Flash EPROM)
Processing Speed:
Logic/Word: 0.05 ms / 1000 instructions
Floating-point: 0.50 ms / 1000 instructions
Communication Interfaces:
2 x RS232 / RS485 (Configurable)
1 x FieldBusPlug (FBP) Interface
Expansion Capability:Max. 10 expansion modules on I/O-Bus
I/O Limits (Local):
Digital: 320 DI / 240 DO
Analog: 160 AI / 160 AO
User Interface:1-Line LCD Display with 8 Function Keys
Storage Expansion:Integrated SD-Card Slot
Mounting:TH35-15 (35 x 15 mm) DIN Rail
Operating Temp:0°C to +60°C
Core Capabilities & Performance
ThePM581is optimized for precision and scalability:
Deterministic Logic Execution:Fast instruction speeds ensure responsive control over complex machinery, reducing jitter in high-speed processing tasks.
Flexible Networking:The dual serial ports and FBP interface allow the CPU to act as a communication hub, supporting protocols for both programming and field device data exchange.
Reliable Data Retention:Utilizing non-volatile RAM and Flash EPROM, the module ensures that critical user programs and data are preserved during power cycles without mandatory battery dependency.
Scalable I/O Management:Capable of managing a significant density of local digital and analog points, the PM581 can adapt to growing system requirements by simply adding expansion modules.
