Paperless Videographic Recorders DXAdvanced DX1000/DX2000

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Advanced Reliability and Security

High quality and reliability are part of YOKOGAWA’s DNA. Security measures within DXAdvanced safeguard important data and limit system access to authorized users.

High Level Security Functions

Rubust Hardware

[Dust-proof and water-proof front panel (IEC529-IP65, NEMA No.250 TYPE4* compliant)]

YOKOGAWA designed the DXAdvanced to be used under harsh environmental conditions. The front panel has a dustproof, water-proof design which is compliant with the IEC529- IP65 standard. This structure provides good protection for the recorder's internal components as well as the removable storage media drive mechanism.

* Except external icing test.

[4 mm removable screw input terminals]

Input terminals are the “entryways” through which all measurements enter a recorder. A reliable mechanical connection to the field wiring is critical for stable data collection. Rugged 4 mm screw input terminals are used on all DXAdvanced models. Input terminals can also be removed with the wiring attached to facilitate installation and maintenance.

[High-breakdown-voltage solid-state relays]

DXAdvanced uses high-breakdownvoltage solid-state relays developed by YOKOGAWA as scanners for switching input signals. These relays consist of MOSFETs capable of withstanding high voltage (1500 V DC) with low leakage current (3 nA), and poweroutput photocouplers. They provide high-speed scanning (125 ms/48 channels in the DX2048) while increasing scanner life and eliminating noise.

[Isolated channel inputs]

DC voltage and thermocouple inputs in all DXAdvanced models are channel-isolated. (Channel isolation for RTD inputs is optional on some models.) The high common mode noise characteristic enabled by isolated channel inputs ensures stable measurements in a wide range of applications.

[Removable clamp input terminal]

Clamp input terminal

The removable clamp input terminal is available with the option (/H2). As this terminal is removable, it makes it very easy to change sensors such as thermocouples frequently.

[Compliance with safety standards and EMC standards]

YOKOGAWA EMC laboratory

Another indication of the reliability of DXAdvanced is their compliance with the stringent specifications for international safety and electromagnetic compatibility (EMC) standards. Of course, DXAdvanced have also been approved for the CE standards.

CSA: CSA22.2 No1010.1
installation category II, pollution degree 2
UL: UL61010B-1 (CSA NRTL/C)
CE: EMC directive: EN61326 compliance (Emission: Class A, Immunity: Annex A)
EN61000-3-2 compliant
EN61000-3-3 compliant
EN55011 compliant, Class A Group 1
Low voltage directive: EN61010-1 compliant, measurement category II,
pollution degree 2
C-Tick: AS/NZS CISPR11 compliant, Class A Group 1