Valmet M851215 Backplane Bus Terminal Resistance Module

Valmet M851215 Backplane Bus Terminal Resistance Module

M851215 Function: Installed at the end of the DNA I/O rack bus, it is used to match the impedance of the backplane communication bus, eliminate signal reflection, and ensure stable transmission of high-speed backplane signals; M851215 suppresses bus signal oscillation and interference, avoids communication errors and packet loss, and ensures reliable communication between the CPU and I/O cards in the rack. M851215 is an indispensable terminal spare part for DNA racks.

Parameter Specifications

Valmet M851215 Backplane Bus Terminal Resistance 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

1. Passive terminal module, no external power supply required, directly inserted into the last slot of the rack for use.
2. Precise bus impedance matching, eliminating high-speed communication signal reflections and reducing communication error rates.
3. Compact modular design, consistent with the external dimensions of the I/O card, directly compatible with standard DNA rack slots.
4. The PCB is equipped with a three proof coating, which is dustproof and moisture-proof, and is suitable for industrial cabinet environments with high dust such as papermaking and power plants.
5.  Easy installation, direct plugging and unplugging, and convenient maintenance.
6.  Ensure stable communication of the entire I/O backplane bus to prevent communication interruption of the I/O card caused by bus abnormalities.

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