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Valmet M851006 M2 SCU System Control Unit Module
| Brand: Valmet |
| Item NO: M851006 |
| Effect: M2 SCU System Control Unit Module |
| Condition: In stock, brand new/Used |
| Warranty: 365 days |
| Payment:T/T 50% deposit, 50% balance |
| www.szcxdcs.com |
+86 15359298293
Valmet M851006 M2 SCU System Control Unit Module
M851006 is the M2 SCU system control unit module of Valmet VPA system, which belongs to the core board of VPA paper machine process analysis and control subsystem. M851006 is responsible for collecting data from various paper machine sensors, executing local process control logic, completing bus communication between modules, and exchanging data with the upper level DCS system to achieve paper machine process parameter monitoring, actuator control, and fault diagnosis reporting. Commonly used for spare parts replacement and troubleshooting of old VPA control systems in paper production lines.

Product features
- Designed specifically for the Valmet VPA paper machine dedicated control system, serving as an SCU control unit responsible for local process logic operations and on-site data acquisition.
- Equipped with industrial grade MCU, built-in flash memory and memory, it can independently run local control programs without relying on the upper computer to complete basic process monitoring.
- Integrate VPA backplane bus and RS485 communication interface to achieve data exchange between modules in the same rack and interface with upper level DCS system.
- Onboard hardware self diagnostic function, real-time monitoring of power supply, communication link, chip status, and uploading fault information to the system alarm.
- Backboard electrical isolation design, isolates on-site interference, protects core circuits, and improves the stability of paper machine operation in humid and dusty environments.
- Rack slot installation, supporting quick insertion and removal, convenient for on-site shutdown maintenance and replacement.
- The circuit board is equipped with a three proof coating, which is resistant to moisture, dust, and vibration, and is suitable for harsh working conditions in paper workshops.
- Modular architecture, compatible with VPA series I/O and measurement modules, allowing for flexible expansion of measurement points.
Valmet M851006 M2 SCU System Control Unit Module
Core service capability
- Replacement of discontinued parts: Provide original factory compatible or verified replacement solutions for discontinued or obsolete models to reduce system upgrade and renovation costs
- Quick response supply: sufficient inventory of commonly used spare parts, priority response to urgent inquiries, and shortened downtime
- Full chain quality assurance: strict procurement channel management and quality inspection, traceability of key components
- One stop system matching: covering the integrated procurement needs of system level spare parts from control modules to drive devices
Main product range
| Category | Product Details |
|---|---|
| Control Systems (DCS/PLC/CNC) | Panel Controllers, HMI Interfaces, Industrial PCs, CPU Processor Modules, Communication Modules, Analog/Digital I/O Modules |
| Drives & Motion Control | Variable Frequency Drives, Servo Drives, Servo Motors, Power Supply Modules |
| Robot Spare Parts | Robot Control Boards, Axis Computers, Servo Units, I/O Modules and other critical spare parts |
| Condition Monitoring & Safety Systems | Vibration Monitoring Systems, Safety Instrumented Systems (SIS), Redundant Control Systems |


Valmet M851006 M2 SCU System Control Unit Module
Main brand
| No. | Brand | Country/Region | Main Product Lines | Typical Series/Models |
|---|---|---|---|---|
| 1 | ABB | Switzerland | PLC/DCS Controllers, I/O Modules, Robot Spare Parts, Drive Systems | AC800M, AC800F, AC31, 800xA, Bailey INFI 90, DSQC, Advant OCS, H&B Freelance |
| 2 | Bently Nevada | USA | Condition Monitoring Systems, Vibration Sensors, Eddy Current Probes | 3500/3300 Monitoring System, Eddy Current Probes, Proximitors |
| 3 | TRICONEX | USA | Safety Instrumented Systems (SIS), TMR Redundant Controllers | Tricon System Modules, Communication Modules, I/O Modules |
| 4 | Woodward | USA | Steam/Gas Turbine Control, Speed Governing Systems, Actuators | 505 Governor, ProTech, MicroNet, NetCon |
| 5 | FOXBORO | USA | DCS Systems, I/A Series Control Modules | I/A Series, FBM Modules, Controllers |
| 6 | WESTINGHOUSE | USA | DCS Systems, Ovation Controllers & Modules | Ovation System, WDPF Series |
| 7 | Motorola | USA | Industrial Communication Modules, Embedded Control Modules | MVME Series, VME Bus Modules |
| 8 | GE / GE Fanuc | USA | PLC, Excitation System Modules, CPU/Communication/Analog Modules | IS200/DS200, IC693/IC695/IC697/IC698/IC200/IC660/IC670 |
| 9 | YOKOGAWA | Japan | DCS Systems, CPU Modules, I/O Cards | CENTUM CS3000, CS1000, VP Series |
| 10 | HIMA | Germany | Safety Control Systems, SIL Safety Modules | H41q/H51q, HIMax, HIMatrix |
| 11 | EMERSON | USA | DCS Systems, Redundant Controllers, Safety Systems | Ovation, DeltaV Dual-Channel Redundant Safety Systems |
| 12 | Honeywell | USA | DCS Systems, Process Control Modules | Experion PKS/LS/HS, Plant Scape, TDC2000/3000, TPS, Alcont |
| 13 | ICS TRIPLEX | UK | Trusted Safety Control Systems, TMR Modules | Trusted System, T8000 Series |
| 14 | Kollmorgen | USA | Servo Drives, Servo Motors, Motion Control | S700, S300, AKD Series |
| 15 | PROSOFT | USA | Industrial Communication Modules, Protocol Gateways | MVI69, MVI56, MVI94, MVI71, MVI46, PS69, 3150 |
| 16 | Alstom | France | Power Control, Protection Relays, Control Systems | GEC ALSTHOM, Protection and Control Modules |
| 17 | EATON | USA | Electrical Control, PLC, Power Supplies, Circuit Breakers | XC/XN Series PLC, Moeller Series, Power Supply Modules |
| 18 | Allen-Bradley (Rockwell) | USA | PLC Controllers, I/O Modules, Communication Modules | ControlLogix 1756, CompactLogix 1769, SLC 500 1747/1746, PLC-5 1771/1785 |
| 19 | Schneider | France | PLC, Modicon Series, CPU/Communication Modules | Quantum 140, Modicon M340, Modicon Premium |
————————Shenzhen Changxin Automation Equipment Co Ltd -————————
Products that have been released are welcome for consultation. Due to the wide variety of models, we were unable to upload physical images one by one!
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Parameter Specifications
| Item | Specifications |
|---|---|
| Product Type | M2 SCU System Control Unit Module |
| Part Number | M851006 |
| Applicable System | Valmet VPA System |
| Processor | 16-bit industrial MCU |
| Onboard RAM | 512KB |
| Onboard Flash Memory | 2MB |
| System Bus | VPA internal backplane bus |
| Communication Interface | RS485, proprietary VPA field bus |
| Power Supply | 24VDC |
| Power Consumption | Max 6W |
| Input Current | Max 250mA |
| Isolation Voltage | 1000V DC between bus and field side |
| Operating Temperature | -10℃ ~ +60℃ |
| Storage Temperature | -30℃ ~ +85℃ |
| Relative Humidity | 5%~95% RH, non-condensing |
| Mounting Mode | Rack slot mounting |
| Protection Class | IP20 |
| EMC Standard | CE Class B |
| Supported Sensors | Paper machine sensors, position transmitters |
| Diagnostic Function | Power, communication, hardware self-test |
| Dimension | Standard VPA module form factor |
| Origin | Finland |






