F3AD08-5R Yokogawa FA-M3 Series Datasheet & Technical Manual

Yokogawa F3AD08-5R FA-M3 Analog Input Modules

Yokogawa F3AD08-5R FA-M3 Analog Input Modules

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YOKOGAWA F3AD08-5R Analog Input Module The YOKOGAWA F3AD08-5R serves as the primary F3AD08 Analog-to-Digital Conversion Input Module utilized to execute...

Código: F3AD08-5R

Manufacturer: Yokogawa
Product No.: F3AD08-5R
Product Type: Analog Input Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 200g
Shipping port: Xiamen
Warranty: 12 months

Descripción Reseñas

YOKOGAWA F3AD08-5R Analog Input Module

The YOKOGAWA F3AD08-5R serves as the primary F3AD08 Analog-to-Digital Conversion Input Module utilized to execute precise voltage signal digitization across FA-M3 programmable controller platforms. The hardware subsystem incorporates 8 differential input channels designed to interface with field instruments generating low-voltage instrumentation inputs. By utilizing localized software routines alongside internal digitization networks, the assembly transforms incoming physical analog loops into high-resolution register variables for real-time process control operations.

Hardware Specifications

Parameter	Specification
Model	F3AD08-5R
Brand	Yokogawa
Origin	Japan
Weight	200 g (0.44 lbs)
Dimensions	28.9 x 100 x 106.1 mm
Operating Temp	0 deg C to +55 deg C
Power Consumption	1.05 W max (Calculated at 5 VDC backplane, 210 mA current draw)
Input Channels	8 differential inputs
Input Voltage Ranges	0-5 VDC, 1-5 VDC, -10 to +10 VDC, 0-10 VDC
Input Resistance	Greater than or equal to 1 M Ohm
Resolution	16-bit (0.4 mV resolution for voltage ranges)
Isolation Method	Photocoupler isolation (Input terminals to internal circuit)
Withstanding Voltage	500 VDC for one minute
Current Consumption	210 mA at 5 VDC

Process Control & DCS Instrumentation Attributes

The electrical interface of the F3AD08-5R utilizes onboard photocoupler components to maintain galvanic isolation between the input channels and internal processor architecture, sustaining a withstanding voltage rating of 500 VDC for one minute. The multi-channel input stage supports standard industrial voltage signal monitoring, operating effectively within expanded saturation tolerances including -0.25 VDC to 5.25 VDC, -11.0 VDC to 11.0 VDC, and -0.5 VDC to 10.5 VDC. This configuration permits continuous channel-to-channel tracking alongside localized 4-20 mA HART loop protocol parameters via external shunt resistors, providing 16-bit analog conversion values that enable smooth software execution of cold junction compensation, first-order lag filters, and moving average calculation sequences directly within the processing block.

Frequently Asked Questions

Q: How does the internal conversion cycle speed of the F3AD08-5R adjust relative to the active channel count?

A: The hardware architecture allows users to configure the basic conversion velocity between 50 micro-seconds and 100 milli-seconds. The aggregate module conversion period scales directly by multiplying the configured speed step by the total number of enabled input terminals.

Q: What protection elements are embedded inside the input terminals to handle transient electrical anomalies?

A: The input circuitry features an absolute maximum electrical rating of +/-18 VDC or +/-25 mA DC. Exceeding these thresholds triggers internal self-diagnosis faults and over-range detection alarms, preventing permanent hardware degradation of the photocoupler isolation layers.

Field Installation Guidelines

Ensure that the main FA-M3 base unit power supply is completely disconnected before inserting the F3AD08-5R module into the targeted slot location. Guide the module along the chassis slots until the rear interface establishes a firm connection with the backplane bus, then tighten the retaining screws to guarantee mechanical stability. Connect field voltage cables to the integrated 18-point terminal block using M3.5 ring or fork crimps, ensuring that all signal pairs remain isolated from adjacent conduits. To minimize electromagnetic interference, technicians must deploy twisted-pair shielded instrumentation wiring and terminate the external cable shields directly at the cabinet ground rail.

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