Valmet D201755L D2000 DCS system analog input module
D201755L is an analog input module for the Valmet D2000 DCS system. D201755L is used to collect 4-20mA standard analog signals output by on-site transmitters, convert analog signals into digital signals, and upload them to the system controller to complete the collection and monitoring of process parameters such as pressure, temperature, liquid level, and flow rate. D201755L is mainly used for spare parts replacement and point expansion of the old D2000 control system in papermaking and pulp production.
Parameter Specifications
| Item | Specifications |
|---|---|
| Product Type | Analog Input Module |
| Number of channels | 8 channels |
| Input Signal | 4~20mA |
| Resolution | 16-bit |
| Power Supply | 24VDC |
| Backplane Bus | D2000 system backplane bus |
| Operating Temperature | -20℃ ~ +60℃ |
| Humidity | 5~95% RH, non-condensing |
| Mounting Mode | Rack mounting |
| Protection Class | IP20 |
| Isolation | Channel to backplane isolation |
Valmet D201755L D2000 DCS system 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 analog input channels, supporting 4-20mA industrial standard current signals, suitable for the vast majority of industrial transmitters.
- 16 bit high-precision analog-to-digital conversion, high acquisition accuracy, meets the monitoring needs of pulp and paper process.
- Electrical isolation between channels and backboards to suppress on-site interference and protect the main control unit of the system.
- The panel LED status indicator light allows for intuitive viewing of module operation, communication, and channel fault information.
- Rack backplane installation, supports hot swapping, reduces system downtime during fault replacement.
- Industrial reinforced circuit board design, resistant to dust and vibration, suitable for harsh working conditions in paper mills.
- Native compatibility with Valmet D2000 system backplate, same series cards can be directly replaced.
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