Thermocouple & mV Temperature Sensing Solution — FOXBORO AD916AC FBM202 | I/A Series DCS
Where This Product Is Used
The FOXBORO AD916AC FBM202 is a 16-channel Thermocouple/mV Input Field Bus Module (FBM) designed for the Foxboro I/A Series Distributed Control System (DCS). It is deployed across industries where precise multi-point temperature measurement is mission-critical:
- Oil & Gas Refineries — Reactor bed temperature profiling, fired heater tube monitoring, and crude distillation column control
- Chemical & Petrochemical Plants — Exothermic reaction temperature surveillance, heat exchanger performance tracking
- Power Generation — Boiler flue gas temperature measurement, turbine exhaust monitoring, and steam header control
- Pulp & Paper Mills — Digester temperature control, dryer section profiling
- Pharmaceutical Manufacturing — Autoclave and sterilization cycle validation, GMP-compliant temperature logging
- Food & Beverage Processing — Pasteurization loop control, CIP temperature verification
- Metals & Mining — Furnace and kiln temperature management, smelting process control
Technical Specifications
| Attribute | Value |
|---|---|
| Part Number | AD916AC |
| Module Type | FBM202 — Thermocouple / mV Input |
| Series | Foxboro I/A Series DCS |
| Number of Channels | 16 (differential) |
| Input Types Supported | Type B, E, J, K, N, R, S, T thermocouples; mV range inputs |
| Input Range (mV) | −10 mV to +100 mV (TC-dependent) |
| Accuracy | ±0.1% of span typical |
| Cold Junction Compensation | Automatic, internal reference |
| Scan Rate | Configurable per channel |
| Communication Bus | Nodebus / Fieldbus (I/A Series backplane) |
| Power Supply | Supplied via I/A Series FBM carrier |
| Operating Temperature | 0°C to 60°C |
| Enclosure / Form Factor | Standard I/A Series FBM plug-in module |
| Weight | 2,100 g (module + carrier) |
| Manufacturer | Schneider Electric (Foxboro brand) |
Why Engineers Specify This Model
- High-density channel count — 16 isolated TC/mV inputs per module reduces cabinet footprint and wiring cost versus single-channel alternatives
- Universal thermocouple support — Accepts all common TC types (J, K, T, E, R, S, B, N) without hardware changes; type selection is software-configured
- Automatic Cold Junction Compensation (CJC) — Eliminates external reference junction hardware, improving measurement accuracy in variable ambient conditions
- Seamless I/A Series integration — Plug-and-play replacement within existing Foxboro DCS architectures; no re-engineering of control strategies required
- Proven field reliability — FBM200-series modules are installed in thousands of process plants globally with documented MTBF exceeding 10 years
- Open-wire detection — Per-channel diagnostics flag broken TC leads, enabling proactive maintenance before process upsets
Complete System Bill of Materials
For a fully operational FBM202 installation, the following components are typically required:
- FOXBORO AD916AC — FBM202 Thermocouple/mV Input Module (this item)
- FBM Carrier / Mounting Base (e.g., Foxboro P0916AC or equivalent)
- I/A Series Nodebus Cable Assembly
- Thermocouple extension cables (matched alloy to TC type)
- Terminal blocks / marshalling panel for field wiring
- I/A Series Workstation with Foxboro Control Software (FoxCAE / IA Series Config)
Contact [email protected] for bundle pricing on complete FBM carrier + module assemblies.
Compliance & Industry Standards
- Designed and tested to IEC 61131-2 programmable controller hardware requirements
- Compatible with IEC 61508 / SIL functional safety architectures when used within validated I/A Series safety configurations
- CE Marked for European market compliance
- RoHS compliant (Restriction of Hazardous Substances)
- Suitable for use in ATEX Zone 2 / Class I Div 2 environments when installed per Foxboro installation guidelines
Quality Assurance & Sourcing
- All modules sourced from verified industrial surplus, OEM overstock, or authorized distribution channels
- Each unit undergoes visual inspection, functional power-on verification, and firmware version check prior to shipment
- Serialized tracking maintained for full traceability
- Packaging: anti-static ESD bag + foam-lined carton for safe international transit
- Warranty: 90-day replacement warranty against DOA / functional defects
How to Source This Part
- Add to Cart — Click the purchase button above to place an order directly
- Request a Quote — Email [email protected] for volume pricing, lead time confirmation, or multi-unit orders
- Expedited Sourcing — If this item shows out of stock, contact us — we maintain an active sourcing network for Foxboro I/A Series components
- WhatsApp / Phone — Reach our technical team at +0086 19859288691 for urgent requirements
Application-Specific FAQ
Q: Is the AD916AC compatible with both older and newer I/A Series DCS generations?
A: Yes. The FBM202 module is backward and forward compatible across I/A Series generations including Series 200, 500, and current Foxboro DCS platforms, subject to firmware revision matching.
Q: Can this module accept millivolt (mV) inputs from non-thermocouple sources?
A: Yes. The FBM202 accepts raw mV signals within its input range, making it suitable for pyrometers, strain gauge bridges, and other low-level analog sources.
Q: What happens if a thermocouple wire breaks?
A: The module provides open-wire (burnout) detection per channel. The channel will report a diagnostic alarm in the DCS, allowing operators to identify the fault without a process shutdown.
Q: Do you provide a certificate of conformance (CoC) or test report?
A: A basic inspection report is included with every shipment. Formal CoC documentation is available upon request for regulated industries.
Q: What is the lead time for this module?
A: In-stock units ship within 1–3 business days. For sourced units, typical lead time is 5–15 business days. Contact us to confirm current availability.
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Contact: [email protected] | +0086 19859288691
