Foxboro AD207YD Analog Input Interface Module

Technical Specifications

Model:AD207YD

Brand:Foxboro

System compatibility:Spec‑200 analog DCS system

Function:Multi‑channel field analog signal acquisition,scaling and galvanic isolation for Spec‑200 control rack

Installation:Standard Spec‑200 rack‑slot installation,direct backplane bus connection

Input signal:Configurable 4‑20mA and 0‑10V process analog signals

Isolation strength:1500Vrms dielectric isolation between field‑side and internal rack circuits

Protection:Built‑in transient surge and over‑voltage input protection for each signal channel

Accuracy:±0.13% full scale

Typical conversion cycle:7ms

Diagnostic:On‑board LED indicators for module power,communication link and individual channel fault alarm

Environmental standard:Compliant with ISA‑S71.04 Class G3 industrial atmospheric condition

Housing:Plug‑in printed circuit board assembly with metal shielding anti‑interference bracket

Protection class:IP20

Horizontal operating temperature:0℃ ~ +60℃

Vertical operating temperature:‑20℃ ~ +55℃

Storage temperature:‑40℃ ~ +85℃

Relative humidity:5%‑95% non‑condensing

Weight:0.48kg

Dimensions:34mm × 126mm × 142mm

Certification:CE,UL

MTBF:>88000 hours

Built‑in function

AD207YD analog input interface module collects multi‑channel analog signals from field transmitters and implements signal scaling,conditioning and electrical isolation. Isolation design eliminates ground‑loop interference caused by complex field grounding conditions. Per‑channel surge protection restrains high‑voltage spike damage to the whole module. Visual LED diagnosis helps technicians rapidly locate communication and channel abnormal conditions,ensures reliable measurement for pressure,flow,temperature and liquid‑level process loops in petrochemical,chemical and continuous‑running industrial facilities.

Product Brief

AD207YD belongs to Foxboro Spec‑200 legacy DCS spare‑part family,obsolete original plug‑in automation component. Must be installed inside matching Spec‑200 instrument rack and complete correct field‑side analog signal wiring. Widely used for original Foxboro DCS equipment maintenance and renovation. ESD anti‑static protection shall be followed during installation