Valmet D201134L 8-channel high-density analog input module
The main function of D201134L is to collect 4-20mA, 0-10V analog signals output by field transmitters, as well as support RTD thermistor and thermocouple temperature signals. It converts process parameters such as field pressure, liquid level, flow rate, and temperature into digital signals, which are uploaded to the ACN controller through the DNA backplane bus; D201134L is equipped with channel level fault diagnosis, supports HART signal reading, enables continuous monitoring of process parameters, and provides on-site measurement data for DCS system closed-loop regulation and process alarm.
Parameter Specifications
| Item | Specification |
|---|---|
| Model | D201134L (AI8C) |
| Product type | 8-channel analog input module, Valmet DNA ACN I/O series |
| Applicable system | Valmet / Metso DNA DCS, ACN RT / ACN MR controller |
| Number of channels | 8 analog input channels |
| Input signal | 4~20mA, 0~10V, RTD Pt100, thermocouple J/K type |
| Accuracy | ±0.1% full scale |
| Diagnostic function | Wire break, short circuit, over-range / under-range detection |
| HART function | HART ready, support HART instrument information reading |
| Channel isolation | Channel-to-ground isolation |
| Power supply | 24 VDC via backplane |
| 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 |
Valmet D201134L 8-channel high-density analog input module
Brand Introduction：
Valmet is headquartered in Finland and its automation business was formerly under Metso. In 2013, Metso’s automation business was merged into Valmet and it is a leading supplier of process industrial equipment and automation solutions for the global pulp and paper, energy, biomass, mining, and building materials industries. Its main products include complete production lines, DCS automation systems, field instruments, valves, analytical instruments, and full lifecycle spare parts and maintenance services.
Core automation products:
Valmet DNA Distributed Control System (DCS) is the main process control system of Valmet, including the old IOP series I/O and the new generation ACN series I/O hardware (D201435L CXW controller D201134L AI8C、D201136L DI16C、D201126L DI8P、D201129L DO8P、D201436L DO16C Etc.)
- Hardware: ACN rack, redundant controller module, analog input/output, digital input/output I/O card, bus communication module; Support module hot plugging, channel level fault diagnosis, wide temperature industrial working conditions, support 1:1 controller redundancy, ensuring uninterrupted continuous production.
- Software: Process control software, human-machine interface HMI, historical trends, alarm management, advanced process control APC, equipment status monitoring, asset operation and maintenance management software.
- New generation platform: DNAe , web architecture DCS, strengthened network security, suitable for key process devices such as power plants and ships.
Product features
- 8-channel multifunctional analog acquisition, software configuration of multiple signal types including current, voltage, thermistor, and thermocouple, with strong module universality and reduced spare parts.
- Supports HART protocol, can read intelligent HART transmitter device information, device diagnosis, and achieve remote management of instruments.
- Channel level diagnosis can detect faults such as wire breakage, short circuit, and over range, and upload fault information to DCS for maintenance personnel to quickly locate measurement point faults.
- Supports online hot plugging, allowing for module replacement without shutting down the system, without affecting the normal acquisition of other channels, ensuring the continuous operation of the device.
- Wide temperature industrial grade design, capable of withstanding environments ranging from -20 ℃ to+70 ℃, and suitable for high-temperature conditions in on-site control cabinets.
- High density compact modules reduce the space occupied by control cabinets and are suitable for large-scale centralized collection of measurement points.
- Built in digital filtering to suppress on-site electrical noise and ensure stable measurement signals.
- Native compatibility with Valmet DNA ACN rack, high-speed bus communication on the backplane, and high real-time data performance.
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