Product Introduction

Model Explanation

• 086363: Base part number for ABB Procontic CS 31 power/interface PWAs

• ‑002: Revised hardware version, standard non‑redundant, conformal coated

• Type: OSPS2 Power Supply & CS 31 Communication Interface Module

• Platform: ABB Advant DCS, Procontic CS 31 PLC

• Mounting: Standard 19” rack slot, front‑insertable

Technical Parameters

• Input Voltage: 120 VAC / 24–48 VDC (selectable)

• Output Voltage: 24 VDC ±5% (regulated)

• Output Power: 40 W max (2 A @ 24 VDC)

• Communication: CS 31 serial fieldbus, 187.5 kbps, half‑duplex

• Isolation: 1500 VDC between bus and backplane

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

• Storage Temperature: ‑25 °C to +70 °C

• Humidity: 5%–95% non‑condensing

• Coating: Conformal coated

• Certifications: CE, UL, RoHS

• Dimensions: 120 × 45 × 115 mm (H×W×D)

• Weight: ~0.38 kg

Interface & Communication

• Front Panel: CS 31 DB9 connector; status LEDs (PWR, RUN, TX, RX, FAULT)

• Backplane: Gold finger connector for power distribution and system bus

• Power Terminal: Screw terminals for AC/DC input wiring

• Protocol: CS 31 (ABB proprietary), supports cyclic I/O and acyclic messages

• Diagnostics: LED status and bus error logging

Core Functions

• 24 VDC Power Supply: Regulates and distributes power to rack modules

• CS 31 Fieldbus Communication: Bridges controller and remote I/O

• Bus & Power Management: Overcurrent/overvoltage protection; bus termination

• Redundancy Support: Works with redundant CS 31 bus systems

• Diagnostics & Monitoring: Real‑time status and fault reporting

Application Scenarios

• Process Industries: Pulp & paper, cement, metals, mining (legacy ABB systems)

• Power Plants: Retrofit of Advant DCS/Procontic control rooms

• Water Treatment: Legacy plant I/O expansion and communication upgrades

• Factory Automation: Modernization of Procontic‑based production lines

Usage & Maintenance

• Installation: Insert into designated rack slot; secure front screws

• Wiring: Shielded twisted pair for CS 31 bus; 120 Ω termination at both ends

• Configuration: Set node address via DIP switches; configure bus parameters in system software

• Maintenance: Monthly LED check; quarterly wiring/termination inspection; annual firmware update

• Replacement: Use identical 086363‑002; confirm firmware version; no re‑wiring needed