Yokogawa VM1S Analog I/O Module | New & Original Stock

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Yokogawa VM1*S Multipoint Analog I/O Module The Yokogawa VM1*S, also cataloged as the VM1*S Multipoint Analog Input/Output Card, operates as...

SKU: VM1*S

Manufacturer: Yokogawa
Product No.: VM1*S
Product Type: Analog Input/Output Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 600g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa VM1*S Multipoint Analog I/O Module

The Yokogawa VM1*S, also cataloged as the VM1*S Multipoint Analog Input/Output Card, operates as a dedicated hardware component for precise analog signal processing and data acquisition within CENTUM VP and CENTUM CS 3000 platforms.

Hardware Specifications

Parameter	Specification
Model	VM1*S
Brand	Yokogawa
Origin	Japan
Weight	0.6 kg
Dimensions	5.1 cm x 17.8 cm x 7.6 cm
Operating Temp	-40 to +70 deg C
Power Consumption	3.5 W
Module Type	Multipoint Input/Output Module / High-Speed Data Acquisition Board
Channel Capacity	Up to 12 analog/digital channels
Signal Input Envelopes	Voltage (0-10 V), Current (4-20 mA), TC (K,J,E,T,R,S,B,N,WRe,PLII), RTD (Pt100,JPt100,Ni100), Contact
Sampling Rate	Up to 100 ms per channel
Data Storage	Internal flash memory (~400 MB) + Integrated SD card slot
Communication Interfaces	Ethernet (10/100BASE-T) with HART Communication Functionality
Redundancy Options	Configurable for dual-redundancy
Integrated Display	5.7-inch color TFT LCD

Process Control & DCS Instrumentation Properties

The Yokogawa VM1*S incorporates built-in 4-20 mA HART loop protocol routing to facilitate digital variable pass-through directly from field transmitters to central DCS processing layers. The component integrates channel-to-channel isolation circuits to mitigate ground loop propagation and eliminate cross-talk anomalies across distributed instrument clusters. When deployed in high-availability loops, the module utilizes a software-configurable dual-redundancy matrix to achieve zero-latency backup transitions if the primary data acquisition board undergoes a hardware interrupt or diagnostics fault.

Frequently Asked Questions

Q: How is the channel conversion timing managed during peak multiplexing routines?

A: The board operates on an internal deterministic clock, driving high-speed data acquisition at up to 100 ms sampling intervals per channel. This rapid sampling prevents signal skew when processing mixed current, voltage, thermocouple, and resistance temperature detector (RTD) inputs simultaneously.

Q: What are the primary flash memory limitations during localized data logging runs?

A: The card contains approximately 400 MB of internal storage space. For logging applications spanning long-term recording intervals, an external industrial SD card must be fitted into the designated hardware slot to prevent local buffer overwrite conditions.

Q: Can this module process temperature inputs natively without secondary external signal conditioners?

A: Yes, the onboard conversion electronics feature cold junction compensation (CJC) to interpret direct thermocouple connections, alongside high-impedance source tracking for Pt100 and JPt100 RTD elements via user-defined calibration parameters.

Field Installation Guidelines

Chassis Attachment Verification: Insert the module into the designated slot on the CENTUM rack interface. Tighten the integral mechanical fasteners to ensure full backplane connector engagement and secure a low-impedance ground connection to the chassis frame.
HART / Analog Cable Shielding: Wire all analog I/O loops with individual twisted, shielded pairs. Connect the shield drain wires exclusively to the marshalling cabinet instrumentation ground bus; do not bond the shield at the field-device housing to prevent current induction.
Signal Classification Separations: Maintain physical separation between the low-voltage sensor inputs (such as millivolt thermocouples or 4-20 mA links) and high-voltage AC utility distribution cables within the wire management trays.
Channel Profile Matching: Before executing the application loop, verify through the system configuration builder that each channel parameters match the physical sensor type attached to the field terminal blocks to avoid measurement drift or open-circuit diagnostics.

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