Description
Metso Automation A413140 BIU-8 Binary Input Module
Product Overview
The Metso Automation A413140 is a legacy BIU-8 binary input control card designed to acquire eight discrete field signals within Metso/Valmet automation equipment. Available records consistently identify the A413140 as a BIU-8 and describe its function as an 8-binary-input control card. This places it at the field-I/O layer of the automation system rather than at the processor, power-supply, or communication-controller level.
The distinction between binary and analog input is important when specifying a replacement. The Metso Automation A413140 should not be described as an analog input module simply because some third-party listings use the generic term “input module.” It is specifically identified as BIU-8, meaning eight binary inputs. Public records also show multiple extended markings associated with A413140, including A413140 07 20586590 and 11 25111311, which indicates that revision or assembly-level identification matters during procurement.
For engineers maintaining an older Metso or Valmet control installation, the Metso Automation is therefore a legacy discrete-input spare. Its purpose is to bring field status information—such as contacts, switches, or other discrete signals—into the host control system. Exact input voltage thresholds, isolation characteristics, power consumption, and termination arrangements should be taken from the documentation for the specific revision rather than inferred from the base part number.
Product Introduction
A failed discrete-input card can create a deceptively simple symptom: several field statuses disappear from the DCS at once. The Metso Automation sits directly in that signal path, with eight binary input channels assigned to the BIU-8 architecture.
For legacy DCS maintenance and I/O replacement, matching the BIU-8 designation and hardware revision is more important than finding another generic eight-channel digital-input card. The backplane and field termination arrangement must match the original system.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Product Model | |
| Manufacturer / Brand | Metso Automation / Valmet |
| Product Designation | |
| Product Type | Binary Input Module / Control Card |
| Binary Input Channels | 8 |
| Primary Function | Discrete field-signal acquisition |
| System Application | Metso/Valmet automation control systems |
| Board Manufacturer | Cisel on documented units |
| Board Material Marking | T120 / 94V-0 on documented units |
| Documented Extended Markings | 07 20586590; 11 25111311 |
| Approx. Unit Weight | About 140–160 g on documented units |
| Status | Discontinued / legacy |
The extended markings and weight values above come from physical-unit records and should be treated as identification aids rather than universal specifications for every revision.
Specification limitation: I could not verify a reliable primary manufacturer document establishing the exact input voltage range, threshold levels, input current, isolation rating, response time, operating temperature, or module power consumption for the base . Those parameters are intentionally omitted rather than filled with values from unrelated Metso input cards.
Major Features / Practical Advantages
Eight Binary Inputs
The defining characteristic of the is its , eight-binary-input configuration. This means the card is intended for discrete status acquisition rather than continuous analog measurement.
That distinction matters during troubleshooting. A transmitter producing a 4–20 mA signal belongs to an analog-input circuit; a contact changing between discrete states belongs to a binary-input circuit. The should therefore be specified according to the original discrete-input architecture.
A413140
Dedicated Field-Input Function
The is an I/O control card, not the main DCS processor. Its position in the system is comparatively straightforward: field binary information enters through the associated I/O arrangement and is made available to the host automation system.
When a plant reports several lost status indications simultaneously, checking the common input card, termination hardware, and associated supply/wiring can be more useful than replacing individual field switches.
Metso / Valmet Legacy Architecture
The part is associated with Metso Automation / Valmet and is also listed under the alternate designation .
That legacy relationship is important because generic digital-input cards are not automatically interchangeable. The host rack, connector arrangement, field termination, signal conditioning, and DCS engineering configuration all have to agree.
Revision-Level Identification
Actual units appear with extended identifiers beyond the base . Examples include and . Other records identify the same family using additional manufacturing codes such as 09 23095904.
For procurement, this is not cosmetic information. Photograph the complete label and PCB marking before ordering a replacement. A supplier listing that only says “” may not provide enough information to establish revision-level compatibility.
Cisel Board Construction
Documented physical units identify Cisel as the board manufacturer and show a T120 / 94V-0 board marking.
This information can help validate whether a supplied legacy board corresponds to the expected hardware, but it should not be interpreted as a complete electrical specification.
Legacy Spare-Part Value
The is identified as discontinued by the manufacturer in current component records.
That changes how a replacement should be evaluated. For obsolete DCS hardware, a photograph and a claimed part number are not enough. Revision, board markings, connector condition, previous service history, and functional testing are all relevant.
Avoiding a Common Identification Error
Several online records incorrectly or loosely describe as a general “input module,” while one listing even assigns it an analog 4–20 mA input function and another describes it as an embedded controller. Those descriptions conflict with the more specific identification.
For engineering documentation, the controlled description should therefore be:
Metso Automation — , 8 Binary Input Control Card.
Do not publish a 4–20 mA specification for this part without revision-specific documentation.
Related Products
- Metso Automation — The functional designation directly associated with ; eight binary inputs.
- Metso Automation A413125 — Legacy Metso/Valmet AIU-8 analog-input hardware; functionally different because it is associated with analog rather than binary input acquisition.
- Metso Automation A413150 — Related legacy Metso automation hardware; verify exact I/O function before substitution.
- Metso Automation A413146 — Another legacy Metso/Valmet automation component; not a direct replacement merely because it belongs to the same product family.
- Metso Automation A413160 — Related legacy control hardware; complete system compatibility must be established.
- Metso Automation DCS I/O Assemblies — Associated legacy field-I/O hardware requiring matching rack and termination arrangements.
- Metso / Valmet Binary Input Modules — Functionally related discrete-input hardware; channel count and electrical characteristics vary by model.
- Metso / Valmet Analog Input Modules — Related I/O category but not a functional substitute for a binary-input card.
FAQ
What is the Metso Automation ?
The is identified as a Metso Automation / Valmet control card with eight binary inputs.
How many inputs does have?
The designation and manufacturer/part records identify 8 binary input channels.
Is an analog input module?
No. The stronger identification is , 8 binary inputs. Some third-party listings incorrectly describe it as a generic analog input or provide unsupported 4–20 mA specifications. Those claims should not be used for engineering design.
What input voltage does support?
The exact input threshold and voltage range could not be reliably verified from the available documentation. Do not assume 24 VDC, 110 VDC, or another field voltage based solely on the part number. Check the original system documentation and the actual board revision.
Can I hot-swap the ?
Do not assume unrestricted hot swapping. Removing a legacy binary-input card can immediately remove multiple process-status signals from the control system. Follow the plant’s approved I/O maintenance procedure and any controller redundancy or bypass requirements.
Does support firmware v3.1?
The base part number does not establish a firmware version. For this legacy I/O card, hardware revision, PCB marking, host DCS platform, rack position, and termination arrangement are more useful procurement identifiers.
Can another 8-channel digital-input module replace ?
Not automatically. Eight-channel capacity alone is insufficient. Input voltage thresholds, electrical isolation, signal conditioning, backplane protocol, connector arrangement, and DCS engineering configuration must all match.
What extended part numbers should I check?
Documented examples include and , while other physical-unit records show 09 23095904. These markings should be photographed and provided to the supplier when requesting a replacement.
How should a refurbished be tested?
At minimum, verify the complete PCB identification, inspect connectors and components, confirm all eight input channels electrically, and test the board with the appropriate Metso/Valmet interface hardware. A visual inspection alone is not enough for a legacy DCS I/O card.
Procurement Note
For Metso Automation procurement, verify:
- Full base part number:
- Functional designation:
- 8 binary inputs
- Complete extended board marking
- Hardware revision
- Cisel board identification where applicable
- Host Metso/Valmet DCS platform
- Rack and backplane compatibility
- Field termination assembly
- Actual field input voltage and signal type
- Condition: new surplus, unused, refurbished, or used
- Functional test evidence for refurbished stock
The most important qualification is the binary-input function. should not be sold or documented as a generic analog-input card, CPU, or embedded controller. Current records identify it as a discontinued , 8-binary-input control card, while several weaker listings contain contradictory specifications.
For a legacy DCS replacement, request a clear photograph of the original board label and PCB markings before committing to an interchangeable part. With obsolete Metso/Valmet hardware, that small step can prevent a costly mismatch between visually similar I/O cards.
