METSO IOP114 | Thermocouple/mV Input Module

Description

Key Technical Specifications

A useful procurement point: available records specifically identify IOP114-4W/6W, P/N 081803 as a TC/mV input module, which is much more credible for this part number than generic listings describing IOP114 as an analog-output or general-purpose DCS processor.

I would therefore not use the commonly repeated claims of “8 isolated 4–20 mA outputs” for this particular IOP114 without seeing the actual nameplate. Those specifications appear to be associated with conflicting catalog entries and should not be treated as confirmed for P/N 081803.

Application Scenarios & Pain Points

Older process plants often have one awkward spare-part problem: the control system is still performing perfectly, but one obscure I/O card becomes difficult to source when a temperature channel fails. That is where identification accuracy becomes more important than a generic replacement description.

• Process temperature monitoring: The TC/mV input architecture is suited to thermocouple-based temperature measurement and other low-level millivolt signals.
• Metso MCS/MAX Control systems: P/N 081803 is specifically associated with the Metso MCS MAX Control environment.
• Pulp and paper process equipment: Metso automation hardware is commonly encountered in process-control installations where temperature feedback is tied to dryers, kilns, chemical processing, and other plant equipment.
• Legacy cabinet maintenance: A correctly identified IOP114 can be valuable as a shutdown spare when the installed control architecture cannot be economically replaced during routine maintenance.

Field note: Before ordering, photograph the module label. One listing identifies IOP114-4W/6W / 081803, while other sources describe using completely different signal characteristics. That discrepancy is exactly why the suffix, part number, and revision should travel with the quotation request.

IOP114

Related Products

• METSO IOP115 — A related Metso MCS/MAX Control input module reported with P/N 081804 and identified for RTD input applications. It is not a direct substitute when the installed system requires TC/mV inputs.
• METSO IOP114-4W/6W — The specific variant associated with P/N 081803. This is the closest identification match for the requested and should be the first comparison when sourcing a replacement.
• METSO IOP320 — Another Metso I/O module family member found in older automation installations. It should be treated as a different module rather than a direct replacement.
• METSO IOP331 — A related I/O module used in Metso automation architectures. Its electrical function and system compatibility must be checked separately.
• METSO IOP351 — Another Metso I/O/control-related module. It may appear in the same plant spare inventory but does not establish electrical interchangeability with .
• METSO IOT300A — An I/O terminal/base component associated with Metso DNA/maxDNA-style I/O architecture. It is a supporting interface component, not a replacement for the electronics.
• METSO DPU-MR — A Metso distributed processing/control component that can sit higher in the control architecture. It handles control-system processing rather than replacing a field TC/mV input card.

The Engineer’s Guide: Field Pitfalls to Avoid

⚠️ Do not confuse with similarly named modules.
The designation appears across inconsistent online descriptions. For the unit requested here, the strongest matching evidence is -4W/6W, P/N 081803, TC/mV input.

⚠️ Do not substitute an RTD module because the physical card looks similar.
IOP115 is reported as an RTD input module with P/N 081804. A thermocouple/mV application and an RTD application are not interchangeable simply because both measure temperature.

⚠️ Verify the termination and cabinet generation.
Before installation, compare the old and replacement module’s connector arrangement, front-panel markings, revision, and chassis type. A card can fit mechanically while belonging to a different I/O architecture.

Practical check: Record the existing sensor type, channel assignment, input scaling, module part number, revision, and cabinet/chassis identification before pulling the old card. Keep those records with the replacement test report.

Frequently Asked Questions (FAQ)

What is the METSO used for?

For the P/N 081803 version, available equipment references identify the -4W/6W as a TC/mV input module used with Metso MCS MAX Control equipment. Its role is to acquire thermocouple and millivolt signals for the control system.

Is METSO an analog input or analog output module?

For , the better-supported identification is TC/mV input. Some current catalog pages describe as an analog-output or other I/O module, but those descriptions conflict with records specifically identifying P/N 081803 as a TC/mV input module. For procurement, use the physical nameplate and part number as the deciding evidence.

What is the part number for METSO ?

The matching records identify 081803 he /6W TC/mV input configuration. If your existing card shows another number, provide that complete number before treating it as the same unit.

Can I replace with IOP115?

Not as a general rule. Available records identify IOP115 P/N 081804 as an RTD input module, while P/N 081803 is associated with TC/mV inputs. The sensor technology and input conditioning therefore need to match the existing application.

What should I verify before buying a used or refurbished ?

Request photographs of the front label, part number, revision, connectors, and PCB markings. Then confirm that the seller has tested the actual TC/mV channels rather than simply confirming that the card powers up. For an old process cabinet, connector condition and card-edge contact condition are worth checking too.

Is METSO still available as a new module?

Current spare-part records identify the /6W, P/N 081803 as discontinued. That makes actual physical condition, testing, and warranty terms important when sourcing a replacement.