Description
1. Product Title
Metso AI8CN D201736 – 8-Channel Analog Current Input Module (PLC/DCS I/O Module)

2. Product Overview
The D201736 from Metso is an AI8CN analog input module designed for industrial distributed control systems (DCS), particularly within Valmet DNA automation platforms. It is optimized for acquiring current-based analog signals from field instruments such as transmitters and sensors.
The D201736 supports multiple 4–20 mA input channels with external field power supply capability, making it suitable for precise measurement of process variables like pressure, flow, temperature, and level. Its robust signal conditioning and isolation features ensure accurate data acquisition even in electrically noisy environments. This module plays a critical role in real-time monitoring and control, enabling stable and efficient industrial operations.
3. Technical Specifications
- Brand: Metso
- Model: D201736
- Warranty: One Year
- Condition: 100% New & Original
Detailed Specifications:
- Product Type: Analog Input Module (AI8CN)
- Input Channels: 8 analog current input channels
- Input Signal Type:
- 4–20 mA current input (primary)
- Field Power Supply: External transmitter power supply supported
- Signal Range: Typical industrial ranges (4–20 mA / optional voltage depending on configuration)
- Resolution: Typically 12–16 bit (high-precision conversion)
- Isolation: Channel isolation for improved noise immunity
- Power Supply: 24 V DC (system/backplane powered)
- Mounting: Rack-mounted / modular DCS installation
- Operating Temperature: Industrial standard range (-20°C to +70°C typical)
- Diagnostics:
- Signal monitoring
- Open/short circuit detection (typical for AI modules)
4. Key Features & Benefits
- Dedicated Current Input Design:
Optimized for 4–20 mA signals, ensuring high accuracy in process measurement applications. - 8-Channel High-Density Input:
Enables efficient acquisition of multiple field signals, reducing system footprint and wiring complexity. - External Transmitter Power Support:
Provides flexibility for powering field instruments, improving system integration in complex installations. - Reliable Signal Conditioning:
Built-in filtering and isolation minimize noise interference, ensuring stable and accurate readings. - Seamless DCS Integration:
Designed for Metso/Valmet DNA systems, allowing straightforward configuration and reliable communication.
5. Application Scenarios
- Pulp & Paper Industry:
Collects analog signals from flow, consistency, and pressure transmitters for precise process control. - Mining & Mineral Processing:
Monitors process variables such as slurry flow and tank levels in harsh industrial environments. - Oil & Gas / Energy Sector:
Interfaces with field transmitters to provide accurate data for control systems and safety monitoring.
6. Frequently Asked Questions (FAQ)
- Q: What is the primary function of the D201736?
A: The D201736 is an 8-channel analog input module designed to acquire 4–20 mA signals from field devices and convert them into digital data for DCS/PLC processing. - Q: Is D201736 compatible with legacy systems?
A: Yes, it supports standard 4–20 mA signals, making it compatible with most legacy instrumentation while integrating seamlessly into modern Metso/Valmet automation systems.Metso IPSP D201832 Metso IBC D201138 Metso AO4C D201136



