Yokogawa SNT501-13 Optical ESB Bus Repeater Slave Module

Product Overview

The Yokogawa F3YD08-6A functions as a high-integrity digital output interface for the FA-M3 multi-controller series. This module provides eight discrete transistor outputs to drive external solenoids, relays, and pilot lights in high-speed industrial environments. We supply this unit as 100% Brand New and Original, ensuring your control loops benefit from ultra-low leakage current and precision voltage switching.

Part Number Breakdown

Technical Specifications

Engineering Advantages

• Inductive Load Protection: The F3YD08-6A incorporates an Active Clamp circuit. This protector suppresses back-EMF surges generated by inductive loads (like small motors or solenoid valves), preventing semiconductor failure and extending the lifespan of the module under high-frequency switching.

• Superior Data Integrity: With a maximum OFF-time leakage current of just 0.1 mA, the module prevents "ghost" signals or unintended activation of sensitive high-impedance inputs. This high-isolation characteristic ensures absolute binary states in critical safety interlocks.

• Mechanical Security: The module utilizes M3.5 screw terminals for field wiring. These provide significantly higher pull-out resistance than push-in terminals, making the F3YD08-6A ideal for high-vibration machinery found in automotive assembly or textile manufacturing.

• Thermal Efficiency: The low 0.5 V DC maximum ON-voltage minimizes heat dissipation within the module during full-load operation. This efficiency maintains low cabinet temperatures, allowing for high-density rack configurations without the need for forced-air cooling.

FAQs

• Does the F3YD08-6A support sinking or sourcing wiring?

  This module follows specific transistor output logic (typically sinking for "6A" variants). Always consult the wiring schematic for your specific FA-M3 rack to ensure the COM terminal matches your field power supply polarity.

• Can I use this module to switch 110V AC loads?

  No. The F3YD08-6A operates strictly on 12-24 V DC. Attempting to switch AC voltages will permanently damage the transistor circuitry. Use an interposing relay if you need to control AC equipment.

• What is the purpose of the HOLD/RESET current specification?

  The 10 mA HOLD/RESET current ensures the internal logic state remains stable even during minor voltage fluctuations. This ensures the output maintains its programmed state if the system undergoes a soft reset or low-power condition.

• How do I replace a faulty unit without losing the field wiring?

  Since the module uses a 10-point terminal block, we recommend labeling all wires before removal. Ensure the power to the external 12-24V DC supply is OFF before disconnecting the M3.5 screws to avoid short circuits.