Description
The Metso D201189 (AI8H) is an 8-channel analog input module designed for Metso industrial control architectures and distributed control system (DCS) nodes.
In field deployments, this module manages high-precision process signal acquisition, supporting 4 to 20 mA current loops and HART protocol signal overlay for smart field instruments, transmitters, and valve positioners. It provides modular signal conversion within industrial automation lines and heavy machinery control panels.
Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Metso (Valmet / Neles automation line) |
| Product ID / Model | D201189 |
| Module Type | AI8H (8-Channel Analog Input) |
| Input Channels | 8 isolated channels |
| Input Signal Range | 4 to 20 mA DC |
| Communication Support | HART protocol digital communication overlay |
| Enclosure Protection | IP20 (rack-mounted) |
| Operating Temperature | 0 to +60 °C |
Procurement and Availability
- Condition: New Surplus / Refurbished Tested options available upon request.
- Lead Time: 1 to 3 business days for stock items; verify factory availability for obsolete or discontinued inventory.
- Warranty: 12-month standard warranty from date of shipment.
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- Price: Indicative market pricing applies. Price subject to market conditions; contact us for a firm quote.
Integration and Compatibility Notes
The D201189 module installs directly into standard Metso I/O rack backplanes and relies on system-level configuration software for channel scaling and HART variable mapping.
- Signal Wiring: Ensure proper shield grounding of twisted-pair instrumentation cables to minimize electromagnetic interference in high-noise plant environments.
- Loop Power: Verify whether field transmitters require loop power supplied by the module or sourced from an external power distribution terminal.
- HART Multiplexing: Confirm that the host control system firmware supports HART pass-through communication before attempting device configuration through the module channels.
Frequently Asked Questions
Q: Is the Metso D201189 module backward compatible with legacy Neles automation racks? A: Yes, the D201189 fits standard legacy Metso and Neles I/O backplane slots, but controller firmware compatibility should be verified prior to live replacement.
Q: Can this module accept 0 to 10 V voltage inputs directly? A: No. The D201189 is specifically designed for current-loop inputs (4 to 20 mA). Voltage inputs require appropriate precision dropping resistors or separate voltage input hardware modules.
Q: What diagnostics are available on the module channels? A: The module supports channel-level diagnostics including open-circuit detection, over-range/under-range monitoring, and HART communication status flags. Verify exact diagnostic capabilities with the OEM technical manual.
