Foxboro AD207YF Isolated Analog Output Module

Technical Specifications

Model:AD207YF

Brand:Foxboro

System compatibility:Spec‑200 analog DCS system

Function:Multi‑channel isolated analog output,convert internal rack control data to 4‑20mA field drive signal for actuators

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

Output signal:4‑20mA analog current‑loop control output

Isolation strength:1500Vrms galvanic isolation between rack‑side circuit and field‑side loop

Accuracy:±0.13% full scale

Resolution:12‑bit digital‑to‑analog conversion

Protection:Per‑channel over‑current and short‑circuit protection,single‑channel fault will not affect other channels

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:Metal shielded plug‑in printed‑circuit‑board assembly,vibration‑resistant mechanical reinforcement

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

AD207YF isolated analog output module receives control values from Spec‑200 rack backplane bus and converts digital data into 4‑20mA output signals for field control valves and actuators. Channel‑level galvanic isolation suppresses ground‑loop interference between field equipment and control rack. Independent short‑circuit protection limits fault spreading among output channels. LED status indicators help technicians rapidly locate communication and channel abnormal conditions,stable for pressure,flow and temperature continuous‑process loops in petrochemical and chemical plants.

Product Brief

AD207YF 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 with correct field actuator wiring. Widely used for original Foxboro DCS equipment maintenance and renovation. ESD anti‑static protection shall be followed during installation