Description
Note: Many products are not yet listed. Please contact us for more product information. Our supply channels are constantly expanding, and we currently have 20 stable shared supply channels. Please confirm the model, product, price, and all other necessary information with customer service before placing an order. We offer new, refurbished, and used products, and prices are adjusted according to the year of the item you require.
N895600512D N895600051C ECPU_1 N895600200Q
Key Technical Specifications
| Parameter | Value |
|---|---|
| Form Factor | 6U Eurocard plug-in rack module |
| Power Supply | 5 VDC via system backplane, 10–15 W |
| Communication | Backplane bus, RS232/RS485, 10/100 Mbps Ethernet |
| Operating Temperature | 0°C to +55°C cabinet ambient |
| Humidity | 5–95% RH, non-condensing |
| Safety Standard | IEC 61508 SIL2 rated |
| Supported Protocols | Modbus RTU, proprietary rack backplane protocol |
| Memory | Onboard RAM and flash for logic storage |
| Dimensions | 233 mm × 160 mm |
| Weight | <1 kg |
| I/O Handling | Logic processing; I/O via companion rack modules |
Product Introduction
The Alstom ECPU_1, with part variants N895600512D, N895600051C and N895600200Q, is a rack-mounted central processor built for legacy power plant control racks. It runs turbine and generator protection logic and exchanges data across the system backplane and external communication links.
This board supports hot standby redundancy in qualified rack configurations. The conformal coated revision N895600051C delivers better resistance against dust and condensation inside power station control rooms, reducing random communication drops.
N895600512D N895600051C ECPU_1 N895600200Q
N895600512D N895600051C ECPU_1 N895600200Q
Application Scenarios & Field Experience
Part 1 (Narrative Paragraph)
Power generation sites running older Alstom turbine control racks often face limited spare availability. When the main ECPU_1 fails, the entire turbine protection loop stops, forcing an emergency shutdown. A direct replacement of this CPU restores the protection and sequence logic without full system migration.
Part 2 (Numbered List)
- Thermal power plants: Steam turbine governor and protection rack control.
- Hydroelectric stations: Generator sequence control and over-speed protection logic.
- Combined cycle facilities: Gas turbine auxiliary control and interlock management.
- Industrial powerhouses: On-site generator protection for refinery and chemical plants.
Part 3 (Short Field Story)
A coal-fired plant experienced random rack comms trips after years of thermal cycling. Bench testing confirmed the original ECPU_1 N895600512D had degraded flash memory. We supplied a matching N895600200Q replacement. Loaded the existing logic set, synced redundant peer CPU, and the turbine returned to stable operation with no unplanned trips for 22 months.
N895600512D N895600051C ECPU_1 N895600200Q
N895600512D N895600051C ECPU_1 N895600200Q
Standard Operating Procedure (SOP) for Quality Control
- Visual & Origin Inspection: Check OEM labeling, board coating, component solder joints and tamper seals; reject units with corrosion or scratched PCB traces.
- Live Rig Testing: Power via simulated rack backplane, run self-test, verify backplane bus and RS485 / Ethernet handshakes.
- Firmware Verification: Record firmware revision in the test log; cross-check revision compatibility with your rack hardware.
- ESD-Safe Packaging: Seal inside static shielding bag, fitted foam padding, carton printed with ESD handling warnings.
Frequently Asked Questions (FAQ)
Q1: Can I swap N895600512D, N895600051C and N895600200Q interchangeably in my ECPU_1 rack? A: Mechanical fit is identical, but confirm firmware and backplane revision. N895600051C has conformal coating. Mismatched firmware can cause logic download failures or redundant sync faults.
Q2: What warranty applies to the Alstom ECPU_1 processor board? A: We offer a 12-month warranty. Warranty excludes damage from incorrect backplane voltage, overheating, improper ESD handling, or misconfigured download logic.
Q3: What is stock and lead time for these ECPU_1 variants? A: Selected revisions are in stock. Final availability and dispatch timeline will be confirmed after you submit your procurement inquiry.
Q4: Will firmware differences break communication with my existing generator protection I/O modules? A: Yes. Older firmware versions have different register mapping and backplane timing. We share firmware revision details before shipment so your controls team validates against your existing rack.
Q5: Can I hot-swap this ECPU_1 module while the turbine stays online? A: Hot swap works only when the rack runs active/standby redundancy and the standby CPU is fully synced. If redundancy is not configured, removing the card triggers turbine trip.
