YOKOGAWA VM2*D CENTUM VP HART-Enabled Analog I/O Module

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YOKOGAWA VM2*D Analog Input/Output Module The YOKOGAWA VM2*D, also cataloged as the VM2D Multipoint I/O Module, operates as a dedicated...

رمز المنتج: VM2*D

Manufacturer: Yokogawa
Product No.: VM2*D
Product Type: Analog I/O Modules
Product Origin: Japan
Payment:T/T, Western Union
Weight: 1360g
Shipping port: Xiamen
Warranty: 12 months

وصف التقييمات

YOKOGAWA VM2*D Analog Input/Output Module

The YOKOGAWA VM2*D, also cataloged as the VM2D Multipoint I/O Module, operates as a dedicated hardware component for HART-enabled analog signal acquisition and control within CENTUM VP and CS 3000 DCS platforms.

Suffix Breakdown & Model Matrix

VM2: Base model identifier for multipoint analog I/O functionality with integrated HART communication capabilities.
*D: Configuration suffix denoting hardware revision and support for dual-redundant deployment within system racks.

Hardware Specifications

Parameter	Specification
Model	VM2*D
Brand	YOKOGAWA
Origin	Japan
Weight	1.36 kg
Dimensions	356 × 178 × 25 mm
Operating Temp	-10 deg C to +55 deg C
Power Consumption	24 V DC
I/O Type	Analog (4-20 mA) / HART
Redundancy	Dual-redundant capable
Calibration	Factory/User-defined storage

DCS Process Control & Isolation Attributes

The VM2*D facilitates high-precision process control by executing 16-bit analog-to-digital conversion and HART protocol data extraction from smart field instruments. The module architecture incorporates channel-to-channel isolation to suppress electromagnetic interference and prevent common-mode voltage contamination across the backplane. By leveraging integrated cold junction compensation (CJC) for temperature-sensitive signal paths and HART loop protocol connectivity, the module enables real-time diagnostic monitoring of field-mounted sensors. The dual-redundant design ensures synchronized state execution, allowing the system to maintain stable control outputs even during individual module fault events within the DCS control station.

Frequently Asked Questions

Q: Does the VM2D support online hot-swapping? A: In redundant configurations, the VM2D allows for module replacement without shutting down the entire control station; however, verify the specific DCS rack backplane version and software configuration for safe extraction procedures.

Q: Is the HART protocol active on all analog channels?

A: Yes, the module is engineered to provide simultaneous analog loop control and digital HART data transmission, facilitating device configuration and diagnostic data logging without interrupting the primary control signal.

Q: How is the calibration data stored within the module?

A: The module utilizes non-volatile memory to retain both factory-provided calibration constants and user-defined offsets, ensuring immediate signal accuracy upon power-on or module swapping.

Field Installation Guidelines

Mounting: Secure the card into the DCS rack slots using the integrated locking mechanisms. Ensure the module is seated fully to establish low-impedance contact with the backplane's redundant power and signal rails.
Wiring: Use shielded twisted-pair cables for all 4-20 mA signal loops. Terminate the shield at the cabinet-level grounding point to provide a low-resistance path for high-frequency noise suppression.
Isolation: Maintain physical separation of at least 150 mm from high-power AC cabling and induction-heavy loads to preserve the rated isolation of the HART signal processing circuits.
Calibration: Periodically verify the analog loop outputs against a precision current source to confirm the integrity of the A/D and D/A conversion stages over the module's operational lifecycle.

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