Valmet A413654

Product Name: HART Communication Interface Module

Product Description: This is industrial communication interface board for Valmet DNA system, realize signal interaction between DCS system and HART‑protocol smart field instruments, process 4‑20 mA analog signal and HART digital superimposed signal simultaneously, complete parameter reading and diagnosis of HART field devices.

Category:
Description

Technical Specifications: Power supply 10‑30 V DC, support HART 5 and HART 7 protocol, receive standard 4‑20 mA analog process signal, integrated LCD driving interface, low‑power circuit design.

Functional Features: HART digital signal demodulation and modulation, analog‑signal acquisition, built‑in communication‑fault diagnosis circuit, multi‑node HART instrument networking support, electromagnetic‑compatibility optimized circuit design.

Application Scenarios: Pulp‑and‑paper factory smart transmitter signal access, chemical‑plant HART instrument data acquisition, process‑industry field‑instrument asset‑management, Valmet DNA system HART expansion application.

Performance Parameters: Operating temperature 0 ℃ ~ +55 ℃, comply with CE and RoHS standards, strong anti‑electromagnetic‑interference performance, support long‑distance HART loop wiring.

Material Composition: Industrial‑grade printed circuit board, signal isolation transformer, HART modem chip, metal‑shielded structural parts.

Structural Features: Rack‑mount plug‑in board structure, match Valmet DNA system chassis mechanical dimension, rear‑side back‑plane bus connector, reserved external LCD peripheral driving interface.

Working Principle: Receive 4‑20 mA analog signal superimposed with HART digital signal from field HART transmitter, separate analog process variable and HART digital signal by internal circuit; transmit demodulated HART digital data to DCS CPU, modulate host‑side command into HART signal and send back to field smart instrument, realize instrument parameter reading, setting and fault diagnosis.

Installation Requirements: Install into corresponding slot of Valmet DNA chassis, use qualified HART‑compliant shielded two‑wire cable for field instrument loop wiring, ensure loop load resistance satisfy HART protocol requirement, complete system HART‑address configuration.

Usage Notes: HART loop shall be equipped with qualified loop resistance, avoid mixing non‑HART ordinary analog‑signal loop, prevent surge voltage impact on communication interface circuit, single HART channel maximum connected instrument quantity shall comply with protocol specification.

Reviews (0)

Reviews

There are no reviews yet.

Be the first to review “Valmet A413654”

Your email address will not be published. Required fields are marked *

Shipping and Delivery

MAECENAS IACULIS

Vestibulum curae torquent diam diam commodo parturient penatibus nunc dui adipiscing convallis bulum parturient suspendisse parturient a.Parturient in parturient scelerisque nibh lectus quam a natoque adipiscing a vestibulum hendrerit et pharetra fames nunc natoque dui.

ADIPISCING CONVALLIS BULUM

  • Vestibulum penatibus nunc dui adipiscing convallis bulum parturient suspendisse.
  • Abitur parturient praesent lectus quam a natoque adipiscing a vestibulum hendre.
  • Diam parturient dictumst parturient scelerisque nibh lectus.

Scelerisque adipiscing bibendum sem vestibulum et in a a a purus lectus faucibus lobortis tincidunt purus lectus nisl class eros.Condimentum a et ullamcorper dictumst mus et tristique elementum nam inceptos hac parturient scelerisque vestibulum amet elit ut volutpat.