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The VI451‑10 is a communication / encoder / encoder‑input module designed for use in industrial automation / control systems (such as Yokogawa DCS like CENTUM VP, CS3000, etc.). It supports multiple signal types (analog, digital, pulse), provides high precision and high sample rates, is built for robust reliability and environmental tolerance, and supports numerous communication protocols. It is used where encoder signals or other high‑speed / high‑accuracy signals must be measured, processed, and communicated from field or I/O racks to control or supervisory systems.
| Parameter | Specification / Typical Value |
|---|---|
| Model | VI451‑10 |
| Module Type | Communication / Encoder / Signal‑Input Module |
| Input Signal Types | Analog signal / Digital signal / Pulse signal (including encoder inputs) |
| Sample Rate / Sampling Speed | ~1 Hz up to ~100 kHz |
| Precision / Accuracy | ≈ ±0.01% FS (full scale) typical |
| Resolution | Up to ~16 bits in many versions |
| Communication Interfaces | Multiple protocols (e.g. Modbus RTU, RS‑232, RS‑485, Ethernet, CANopen, etc.) |
| Power Supply Voltage | 24 V DC (some versions may have alternate inputs; some listings differ) |
| Operating Temperature Range | −20 °C to +60 °C |
| Storage Temperature | −40 °C to +85 °C (in many listings) |
| Humidity Tolerance | ~ 5% to 95% RH, non‑condensing |
| Protection / Ingress Class | Around IP54 typical in many listings; varies by enclosure |
| Sampling / Input Latency | Low latency; precise pulse / encoder counting; response fast enough for motion control |
| Reliability / MTTF | Greater than 100,000 hours in many claims |
| Dimensions (H × W × D) | ≈ 110 mm × 220 mm × 40 mm (one listing); other listings smaller variants exist |
| Weight | ≈ 1.2 kg (one listing) |
Encoder signal acquisition: position or speed measurement for rotary or linear encoders.
High‑speed pulse / motion control in automation, robotics, CNC, valve actuators.
Data acquisition and monitoring of analog, pulse, or digital inputs in field / remote I/O racks.
Communication of field device data (sensors, encoders) to supervisory / control / DCS systems.
Industrial process control (chemical, oil & gas, power plants), where high precision and robustness are needed.
Legacy / multi‑protocol systems requiring compatibility with Modbus, RS‑485, Ethernet, etc.
High precision (≈ ±0.01% full scale) and high sample rates (up to ~100 kHz) give finely resolved data for motion or process.
Multi‑signal type support (analog, digital, pulse) allows flexibility in system design, fewer module types needed.
Good environmental tolerance (temperature, humidity) and reasonable protection (IP54 typical) make it suitable for harsh industrial conditions.
Reliability is claimed high (MTTF > 100,000 hours) in many listings.
Compact integration with field devices and control racks; many protocol options make it adaptable.
Simplifies wiring and module count by combining several signal types and communication protocols in one module.
| Field | Description |
|---|---|
| Brand | Yokogawa |
| Series / Product Line | VI451 series (encoder / communication / signal input modules) |
| System Compatibility | Yokogawa DCS systems (CENTUM VP, CS3000, etc.), industrial automation / control |
| Module Category | Encoder / Input / Communication Module |
| Use Environment | Industrial automation, robotics, motion control, process control systems |
Here are five models similar or related to VI451‑10, in same series or adjacent functions. “Model” column is bold.
| Model | Function / Purpose | Dimensions (mm) | Weight (kg) | Key Features / Notes |
|---|---|---|---|---|
| VI451‑20 | Higher channel encoder input module variant | ~110 × 220 × 40 | ~1.3 | More channels, or higher input current capability |
| VC401‑10 | Coupler / communication extension module | ~100 × 68 × 26 | ~0.2 | Connects remote racks / modules |
| SCP451‑53 | Analog output module in safety instrumented system | ~123 × 122 × 100 | ~1.5 | Outputs analog signals from safety logic |
| SEC401‑51 | Discrete input module | ~123 × 30 × 100 | ~0.18 | Accepts digital signals from limits / switches |
| SSB401‑53 | Bus interface slave (ESB or similar safety bus) | ~110 × 22.5 × 100 | ~0.2 | Interfaces safety node units with safety bus |
Here are five popular Yokogawa modules from related domains (I/O, communication, power, logic), for comparison or alternative selection.
| Model | Function / Use Case | Dimensions (approx) | Weight (kg) | Highlights |
|---|---|---|---|---|
| SCP451‑53 | Analog Output Module (4 channels) | ~123 × 122 × 100 | ~1.5 | Safety analog outputs |
| SPW482‑53 | Power Supply Dual‑Output Module | ~99 × 22.5 × 114 mm | ~0.34 | Supplies logic and field device voltages |
| SEC401‑51 | Discrete Input Module | ~123 × 30 × 100 | ~0.18 | Field digital signal reception |
| ADV151‑P00 | Digital Output Module | ~123 × 122 × 100 | ~0.9 | Discrete outputs in control/safety systems |
| CP701 | Control Processor / Logic CPU Module | rack module larger | ~1.7 | High processing / logic / communication hub |
Q1: What types of input signals can VI451‑10 handle?
A1: It handles analog, digital, and pulse/encoder signals.
Q2: What is its sample rate range?
A2: Approximately 1 Hz up to around 100 kHz in many versions.
Q3: How accurate is its measurement or conversion?
A3: Accuracy is typically ±0.01% full scale.
Q4: What are the environmental operating limits?
A4: Usually −20 °C to +60 °C for operation; storage could be wider.
Q5: What communication interfaces are supported?
A5: Diverse interfaces like Modbus RTU, RS‑232, RS‑485, Ethernet, possibly CANopen, depending on version.
Q6: What is the weight and size of the module?
A6: One listing gives ≈ 1.2 kg and dimensions 110 mm × 220 mm × 40 mm; other smaller variants exist but that is typical for a full rack‑style version.
Q7: How reliable is the module?
A7: MTTF (mean time to failure) is quoted in many listings as over 100,000 hours.
Q8: What protection or ingress rating does it have?
A8: In many cases IP54; depends on installation / enclosure.
Q9: What power supply does it need?
A9: Typically 24 V DC; some variants use AC supply in older systems; power consumption is modest.
Q10: In which industries is VI451‑10 commonly used?
A10: Found in industries like power generation, oil & gas, chemical, manufacturing, motion control (robots, CNC), wherever encoder or high‑precision sampling is required.
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