Description

Yokogawa FX1006-4-3-L/A1/M1/USB1 Data Recorder

Configured for process signal acquisition in FX1000 recording platforms, the Yokogawa FX1006-4-3-L/A1/M1/USB1 (FX1006-4-3-L paperless recorder) provides direct electrical execution of multi-channel analog and digital data logging. The unit performs time-synchronized sampling, storage, and display of process variables across up to 6 input channels with internal/external memory buffering and USB/CF card data export capability.

Hardware Specifications

Parameter	Specification
ModelBrand	Yokogawa FX1006-4-3-L/A1/M1/USB1
Origin	Japan
OperatingTemp	0 to 50 degC
PowerConsumption	Max 45 VA
Channels	6 universal input channels
Scan Interval	1 s standard (configurable faster option depending on system setup)
Storage Media	Internal flash memory + CF card slot + USB interface
Input Types	TC, RTD, DC voltage, digital contact
Display	5.7 inch TFT LCD (240 x 320 resolution)

Process Signal Acquisition and Channel-to-Channel Isolation Behavior

The Yokogawa FX1000 series implements multi-channel measurement architecture with per-channel signal conditioning to reduce cross-channel electrical interference during mixed-signal acquisition. Thermocouple inputs incorporate cold junction compensation (CJC) processing at the terminal stage, ensuring thermal reference stability prior to digitization. Analog front-end circuitry supports isolation between measurement inputs and system ground, reducing susceptibility to ground loop coupling in distributed process wiring. Communication pathways between acquisition engine and storage subsystem utilize buffered transfer to maintain deterministic sampling under concurrent USB and CF card write cycles, consistent with DCS-style logging behavior using 4-20 mA compatible instrumentation ecosystems and HART-capable field devices via external signal conditioning.

Frequently Asked Questions

Q: Can the FX1006-4-3-L/A1/M1/USB1 record mixed TC and RTD signals simultaneously?
A: Yes. Each of the 6 channels supports independent configuration for TC, RTD, DC voltage, or contact input without shared excitation dependency.

Q: Does USB logging interrupt internal memory acquisition?
A: No. USB transfer operates through buffered memory staging; acquisition cycle continues independently of export operations.

Q: Is channel isolation hardware-based or software-based?
A: Input conditioning includes electrical separation at the analog front-end stage; isolation behavior is implemented at signal acquisition circuitry level, not purely software-defined.

Field Installation Guidelines

Input wiring shall maintain separation between thermocouple, low-level analog, and digital contact lines to reduce induced coupling. Shielded cables are recommended with single-point grounding at the control cabinet side only. CF card insertion must occur under power-down condition unless system configuration explicitly supports hot-access media handling. USB interface should be used with industrial-rated shielded cables to minimize EMI injection into the recorder backplane. Terminal tightening torque must comply with Yokogawa connector specifications to maintain stable contact resistance under vibration conditions.

Specifications

• Brand: Yokogawa

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems