Product Overview

Model Definition

• 07: Procontic 90/31 / AC31 series

• KT: CPU with transistor outputs (DC)

• 51: Mid-range performance (Series 50)

Technical Specifications

• Part Number: 1SBP260012R1001

• Power Supply: 24 VDC (18–30 VDC), 5 W max

• User Program Memory: 34 kB Flash EPROM

• User Data Memory: 4.4 kB non‑volatile RAM

• Onboard I/O:

  • Inputs: 8 × 24 VDC (sink/source, 5 mA)

  • Outputs: 6 × transistor (24 VDC); 0/1: 1 A, 2–5: 0.5 A; common 4 A

• Hardware Counter: 2 × up to 7 kHz

• Communication:

  • COM1: RS‑232 (programming/ASCII)

  • COM2: CS31 system bus (up to 31 remote I/O modules)

• Max Expansion: 744 DI / 496 DO / 96 AI / 48 AO

• Real‑Time Clock: Integrated (event timestamping)

• Operating Temperature: 0 °C to +55 °C

• Dimensions (W×H×D): 160 × 100 × 85 mm

• Weight: ~0.3 kg

• Certifications: CE, UL, CSA, RoHS

Interface & Indicators

• LEDs: PWR, RUN, ERR, TX, RX (diagnostics)

• RS‑232: Programming, HMI, point‑to‑point

• CS31 Bus: Multi‑drop networking with remote I/O

• Programming Software: 907 PC 331 / Control Builder AC31

Core Functions

1. Standalone Control: Ladder logic / structured text, PID

2. Distributed I/O: CS31 bus master (31 slaves max)

3. Serial Communication: ASCII, CS31 protocols

4. High‑Speed Counting: 7 kHz inputs for pulse/encoder

5. Data Logging: RTC + non‑volatile memory

Applications

• Factory automation: Conveyors, assembly lines, packaging

• Process control: Water treatment, pumping stations, HVAC

• Building automation: Lighting, energy management

• Machine control: Textile, woodworking, plastics machinery

Installation & Maintenance

• Mounting: 35 mm DIN rail (TH35‑15/7.5)

• Wiring: Shielded twisted pair for CS31 bus

• Backup: Use 07LE90 memory module

• Maintenance: Annual program backup; periodic LED check

• Protection: Reverse‑polarity protection on power