Product Introduction

Model Explanation

• 1SAP140500R3160: Full ABB order and part number.

• EC581: Mid‑high‑end CPU family in the AC500 line.

• ARCNET: Onboard ARCNET interface for real‑time industrial networking.

• B4: Hardware revision variant.

  This unit is optimized for ARCNET‑based distributed systems and is fully compatible with AC500 bases, I/O modules, and FBP fieldbus adapters.

Technical Parameters

• Power Supply: 24 V DC (20.4–28.8 V DC), reverse‑polarity protection, approx. 10 W power consumption.

• Memory: 512 kB program Flash, 512 kB data RAM, 64 kB retentive memory.

• Execution Speed: Bit 0.05 μs, word 0.06 μs, float 0.5 μs.

• Operating Temperature: 0 °C to +60 °C; storage: −40 °C to +70 °C.

• Protection Class: IP20; certifications: CE, cULus, RoHS.

• Dimensions: 62 × 76 × 67.5 mm; weight: approx. 0.15 kg.

Interface and Communication Configuration

• ARCNET Port: Integrated ARCNET interface for high‑speed, deterministic real‑time communication.

• Serial Ports: 2 × configurable (COM1: RS232; COM2: RS485), supporting Modbus RTU, CS31, ASCII; COM1 acts as CS31 master.

• SD Card Slot: For program backup/restore, firmware updates, and data logging.

• Local HMI: LCD with keypad for on‑site monitoring, parameter setup, and diagnostics without a PC.

• FBP Bus Extension: Supports Profibus DP, CANopen, and other fieldbus modules for distributed I/O.

Core Functions

• Executes complex logic, process, and motion control with a 32‑bit RISC processor.

• Delivers deterministic, high‑speed data exchange via ARCNET for synchronized distributed control.

• Supports up to 320 digital inputs, 240 digital outputs, 160 analog inputs, and 160 analog outputs with hot‑swap I/O.

• Local LCD/keypad simplifies commissioning and maintenance.

• SD card enables quick backups, offline firmware upgrades, and data logging for enhanced reliability.

Application Scenarios

• Factory automation: High‑speed production lines, robotics, packaging machinery, machine tools requiring real‑time synchronization.

• Process industries: Water treatment, HVAC, chemical, pharmaceutical, food & beverage with distributed control needs.

• Industrial networking: Systems using ARCNET for deterministic communication, such as automotive assembly and material handling.

• Medium‑scale infrastructure: Intelligent buildings, energy management, and power distribution automation.

Usage and Maintenance Instructions

• Mount on standard TH35‑15 DIN rail; connect 24 V DC power with correct polarity.

• Install matching terminal base and I/O modules; wire ARCNET, serial, and FBP cables per specifications.

• Configure and download user programs via ABB Automation Builder before commissioning.

• Maintain clean, dry, ventilated environment; inspect and tighten terminals quarterly.

• Back up programs regularly via SD card; perform annual comprehensive function tests.

• Always disconnect power before disassembly or replacement to ensure safety.