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Valmet D201126L ACN I/O Series 8-Channel Isolated Digital Input Module
| Brand: Valmet |
| Item NO: D201126L |
| Effect: 8-channel isolated digital input module |
| Condition: In stock, brand new/Used |
| Warranty: 365 days |
| Payment:T/T 50% deposit, 50% balance |
| www.szcxdcs.com |
+86 15359298293
Valmet D201126L ACN I/O Series 8-Channel Isolated Digital Input Module
D201126L is an ACN I/O series 8-channel isolated digital input module produced by Valmet. D201126L collects on-site passive dry contact or 24VDC active switch signals, including pump operation feedback, valve limit, pressure switch, liquid level switch, equipment fault contact and other discrete signals. D201126L converts the on-site switch status into digital signals and uploads them to the DCS controller through the ACN backplane bus for process equipment status monitoring, safety interlock logic, and alarm triggering. D201126L is the core card for DNA DCS system to collect on-site switch signals.

Product features
- 8-channel with electrical isolation design, isolating the channel from the backplane, effectively suppressing on-site surges and common mode interference, and protecting the DCS controller backplane circuit.
- It supports both 24VDC active wet contacts and passive dry contacts, and is compatible with various on-site switch sensors such as valve limit, pump feedback, and safety switches.
- Equipped with channel level fault diagnosis, it can detect abnormal power supply in the circuit, upload fault information to the DCS system, and quickly locate the faulty circuit.
- Support online hot plugging, the system can replace modules without stopping, and other channels can collect data normally to ensure continuous production of the device.
- Fast signal response, response time ≤ 5ms, meeting the fast signal acquisition requirements of the interlocking circuit.
- Industrial wide temperature design, suitable for high and low temperature fluctuations in workshop control cabinets, with strong stability.
- The panel comes with channel status LED indicator lights, allowing for intuitive viewing of the status of each DI signal during on-site inspection and debugging.
- Native compatibility with Valmet DNA ACN rack, high-speed bus communication on the backplane, and can be mixed with ACN series I/O cards such as D201134L and D201136L in the same rack.
Valmet D201126L ACN I/O Series 8-Channel Isolated Digital Input 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 D201126L ACN I/O Series 8-Channel Isolated Digital Input 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 | Specification |
|---|---|
| Model | D201126L (DI8P) |
| Product type | 8-channel isolated digital input module, Valmet DNA ACN I/O series |
| Applicable system | Valmet / Metso DNA DCS, ACN RT / ACN MR controller |
| Number of channels | 8 digital input channels |
| Input signal | 24 VDC wet contact / dry contact |
| Input threshold | High level:18~30 VDC; Low level:0~5 VDC |
| Isolation | Channel to backplane galvanic isolation |
| Diagnostic function | Channel power detection, wire fault diagnosis |
| Response time | ≤5 ms |
| Power supply | 24 VDC via backplane |
| Power consumption | ≤1.5 W |
| Operating temperature range | -20℃ ~ +70℃ |
| Storage temperature | -40℃ ~ +85℃ |
| Relative humidity | 5% ~95% non-condensing |
| Hot swap | Support hot swap during system running |
| Mounting | Rack mounting for ACN I/O chassis |
| Protection class | IP20 |
| Certification | CE, UL |




