ABB 07CR41 Integrated PLC basic unit of the Procontic 07 series / Advant AC31 system
Description
07: Procontic 07 series
CR: Controller with I/O (base unit)
41: Specification code, 40 series, 24VDC power, standard I/O configuration
Technical Specifications
CPU: 32‑bit processor, compliant with IEC 61131‑3
Memory: 480kB user program, 256kB user data
Power: 24VDC (19.2–30V), ≤15W power consumption
Digital I/O: 24 inputs / 16 outputs (relay/transistor selectable)
Analog I/O: 8 inputs (±10V/0–10V/0–20mA/4–20mA/Pt100); 4 outputs (±10V/0–20mA)
Communication: CS31 bus; RS‑232/RS‑485; Modbus RTU
Operating temperature: -20°C~+60°C
Protection: IP20
Mounting: DIN rail, single‑slot
Dimensions/Weight: 152×104×80mm; approx. 0.5kg
Interface & Indicators
Backplane: Gold‑finger connector for CS31 bus, power port
Front panel: Removable terminal block (digital/analog I/O, power, ground); LED status indicators (PWR/RUN/FAULT/COMM)
Configuration: DIL switches for station address; programs/parameters downloaded via host or programming software
Core Functions
Integrated CPU+I/O for independent logic control, process regulation, and data acquisition
CS31 bus master/slave, supporting remote I/O expansion (e.g., 07AI91, 07BR61R1)
Multi‑protocol communication for connection to third‑party instruments, drives, and host systems
Self‑diagnostics with LED status for fast fault localization
Hot‑swap capable for maintenance without system shutdown
Application Scenarios
Local control stations for ABB AC31/800xA/Advant OCS systems
Standalone control for small production lines, HVAC, water treatment, pump stations
Expansion, replacement, and maintenance of legacy ABB systems
Maintenance
Isolate power before wiring; separate high/low‑voltage cables
Periodically clean dust and tighten terminals
Keep environment dry/ventilated, away from VFDs/high‑power motors
Troubleshoot: power → communication → I/O modules → program configuration; do not open casing
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