Product Short Description

Product Introduction:
Metso D201134 is a high-performance 8-channel analog input module from the AI8/AI8C series, manufactured by Metso (now Valmet) for the DNA Distributed Control System. This module receives analog signals from field devices representing continuously varying physical quantities such as temperature, pressure, flow, liquid level, or voltage, and converts them into digital information for control system processing through high-precision Analog-to-Digital Conversion (ADC)

Description

Technical Specifications:

Parameter Specification
Model Number D201134
Manufacturer Metso (now Valmet Automation)
Product Type Analog Input Module
Series AI8 / AI8C
Number of Input Channels 8
Signal Types 0-20 mA, 4-20 mA current; 0-10 V, 2-10 V voltage
Resolution 12-bit / 14-bit
Transmitter Power Supply 24 VDC per channel (AI8C variant)
Operating Temperature -10°C to +60°C
Storage Temperature -40°C to +85°C
Relative Humidity 5% to 95% (non-condensing)
Protection Rating IP20
Mounting 35 mm standard DIN rail
Dimensions 35 mm (W) x 100 mm (H) x 80 mm (D)
Weight 420 g
Housing Material Flame-retardant engineering plastic (UL94 V-0)
Measurement Accuracy ±0.3% full scale (25°C), ±0.5% full scale (operating range)
Power Consumption ≤5 W typical, ≤1 W standby

Communication Specifications:

Parameter Specification
Communication Protocol Modbus RTU (9600-38400 bps), Modbus TCP/IP
Configuration Software FieldCare Lite
Channel Protection 20 mA overcurrent protection per channel
Vibration Resistance 10-500 Hz, 1g acceleration (sinusoidal)
EMC Compliance EN 55022 Class A, EN 55024

Functional Features:

  • 8 independent analog input channels

  • Supports multiple signal types (current and voltage)

  • High-precision ADC for signal digitization

  • Independent transmitter power supply per channel (AI8C)

  • Signal conditioning including amplification and filtering

  • Modbus communication for PLC/DCS integration

Performance Parameters:

  • 12-bit/14-bit resolution for high-precision measurement

  • ±0.3% full scale accuracy at 25°C

  • ±0.5% full scale accuracy across operating temperature range

  • Low drift design for stable long-term measurement

  • 20 mA overcurrent protection per channel

Material Composition:

  • Flame-retardant engineering plastic housing (UL94 V-0)

  • Anti-static surface treatment

  • Plug-in spring terminals for 0.5-1.5 mm² wire

Structural Features:

  • Compact 35 mm narrow-body design

  • 22% narrower than同类 products

  • Plug-in spring terminal connections

  • Power and communication status LEDs

  • Space-efficient for compact control cabinets

Working Principle:
Metso D201134 receives analog signals from field sensors representing physical parameters such as temperature, pressure, flow, liquid level, or voltage. The module’s high-precision ADC converts these analog signals into digital information. The digitized data is then transmitted to the central processor for monitoring, analysis, and control. The AI8C variant provides independent 24 VDC transmitter power for each channel, eliminating the need for external power supplies for 2-wire transmitters.

Advantages and Highlights:

  • 8-channel independent analog input for multi-sensor monitoring

  • High precision with 12-bit/14-bit resolution

  • Wide signal type compatibility for flexible application

  • Independent transmitter power supply per channel (AI8C)

  • Cost-effective design (40% lower than high-end series)

  • Plug-and-play deployment with 20-minute configuration

  • 35 mm narrow-body design for space-constrained cabinets

  • Overcurrent protection prevents sensor short-circuit damage

  • Seamless integration with Siemens S7-1200, Schneider M208, and主流 PLCs

Applicable Industries:

  • Pulp and Paper

  • Energy

  • Mineral Processing

  • Chemical Processing

  • Manufacturing

  • Transportation

Model Series: Metso AI8/AI8C Series / Valmet DNA DCS

Installation Requirements:

  • 35 mm standard DIN rail mounting

  • Plug-in spring terminal connections for 0.5-1.5 mm² wire

  • Proper signal wiring with shielded cables recommended

  • IP20 enclosure or control cabinet installation

Usage Precautions:

  • Do not exceed 20 mA per channel (overcurrent protection activates at 20 mA)

  • Verify correct signal type configuration per channel

  • Maintain operating temperature within -10°C to +60°C

  • ESD precautions during installation and wiring

  • Use shielded cables for analog signal integrity

  • Regular calibration recommended for sustained accuracy

  • Verify Modbus communication settings (9600-38400 bps)

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