Product Core Brief
- Model: ABB PM825 3BSE010796R1
- Brand: ABB
- Series: Advant OCS / AC 800xA
- Core Function: Central processing and S800 I/O bus control for Advant systems.
- Product Type: Processor Module
- Key Specs: 400 MHz PowerPC | 256 MB SDRAM | 24 Vdc Input
- Condition: New Surplus / Refurbished
Product Introduction
ABB 3BSE010796R1 acts as the central brain for Advant OCS automation systems. This industrial automation unit handles complex logic and S800 I/O bus communications.
The replacement module features a 400 MHz PowerPC processor and 256 MB SDRAM. It operates on 24 Vdc and supports temperatures from -25°C to +60°C for demanding environments.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Processor | PowerPC 604e (32-bit RISC) |
| Clock Frequency | 400 MHz |
| Memory | 256 MB SDRAM |
| Storage | 256 MB Flash |
| Input Voltage | 24 Vdc |
| Operating Temp | -25 °C to +60 °C |
| Dimensions | 160 x 100 x 50 mm |
| Product Weight | 1 kg |
| Product Series | Advant OCS / AC 800xA |
| Software Platform | Control Builder / 800xA |
Quality Control Process
We verify every ABB 3BSE010796R1 through a strict five-step protocol. First, technicians inspect the PCB for oxidation or capacitor leakage. Next, we perform a Power-On Self-Test (POST) in a test rack.
Third, a Fluke multimeter checks input ripple below 5%. Fourth, we validate firmware versions and S800 I/O configurations. Finally, we seal the unit in anti-static packaging with bubble cushioning.
Replacement Pitfall Guide
❗ Firmware Mismatch: Never assume identical models share firmware. Advant OCS versions are sensitive; mismatches cause “Hardware Mismatch” faults. Always photograph the old label first.
❗ S800 Bus Address Errors: This OEM controller uses rear DIP switches for bus addressing. I once saw a system drop all I/O modules because an engineer misread these settings. Photograph them before removal.
❗ PROFIBUS Termination: Old PROFIBUS networks often have degraded termination resistors. Check network integrity before energizing this industrial automation unit. Missing terminators cause silent data loss.
❗ ESD Negligence: These boards are static-sensitive. Touching gold fingers without a wrist strap causes intermittent bus failures. Keep these in mind and you’ll cut 90% of rework time.
Compatibility Matrix & Benchmarks
| Original Model | Replacement / Successor Model | Compatibility Level | Migration Notes |
|---|---|---|---|
| 3BSE010796R1 | PM856 | Needs Adaptation | Higher performance; requires project recompile. |
| 3BSE010796R1 | (New Surplus) | Direct | Verify firmware and DIP switch settings match exactly. |
- Performance Benchmark: 400 MHz PowerPC handles complex control algorithms efficiently.
- Memory Benchmark: 256 MB SDRAM supports extensive program and data storage.









