The Yokogawa ATD5A-00 S1 functions as a high-precision KS cable interface adapter and pressure clamp terminal block. It bridges field wiring directly to Yokogawa CENTUM VP I/O modules, such as the ADV551-P10. This unit replaces traditional screw terminals with a high-tension spring mechanism, ensuring permanent electrical contact in demanding industrial environments. Engineers utilize the ATD5A-00 to eliminate signal intermittency caused by mechanical vibration while maximizing cabinet density.
Condition: 100% Brand New and Original.
The ATD5A-00 utilizes anti-corrosion materials and high-dielectric insulation to maintain signal integrity across 32.6 mm of rail space.
| Parameter | Specification |
| Interface Type | KS Cable Interface / Pressure Clamp |
| Rated Voltage | 250 V AC/DC |
| Rated Current | 5 A per channel |
| Insulation Resistance | ≥ 500 MΩ @ 100 V DC |
| Dielectric Strength | 2000 V AC (1 minute) |
| Wire Compatibility | 0.2 – 2.5 mm² (Solid or Stranded) |
| Operating Temperature | -20°C to +70°C |
| Dimensions | 114 × 32.6 × 38.8 mm |
| Mounting | Standard DIN Rail |
Yokogawa's alphanumeric coding defines the terminal structure and hardware revision.
ATD5A: Base series for Pressure Clamp Terminal Blocks (KS Cable Interface).
-00: Standard configuration for general I/O field termination.
S1 / S2: Style codes indicating specific hardware design iterations (S1 represents the primary standard revision).
Vibration-Resistant Clamping: The integrated spring pressure clamp maintains a constant force on the conductor. This design prevents terminal loosening—a common failure point in environments with heavy rotating machinery or seismic activity.
Rapid Tool-Free Wiring: Technicians insert wires directly into the pressure mechanism, significantly reducing commissioning time. This screwless approach removes the risk of over-tightening or damaging delicate copper strands.
Ultra-Compact Footprint: With a depth of only 38.8 mm and a width of 32.6 mm, the ATD5A-00 fits into shallow enclosures and high-density marshaling racks where traditional blocks fail to fit.
Seamless Module Integration: Specifically designed for the CENTUM VP ecosystem, this adapter mates perfectly with KS series cables. This hardware synergy reduces impedance and ensures clean signal transmission for both digital and analog loops.
Q: Can the ATD5A-00 be used as a standalone I/O module?
A: No. The ATD5A-00 is a passive terminal interface. It provides the physical connection point between field instruments and active I/O modules (like the ADV551). It does not perform logic processing or signal conversion.
Q: What is the benefit of the S1 style code over standard terminal blocks?
A: The S1 style code ensures compliance with Yokogawa's latest manufacturing standards for the CENTUM VP series, guaranteeing full compatibility with current KS cables and modern I/O module pinouts.
Q: Is it necessary to use ferrules with the ATD5A-00?
A: While the spring clamp secures bare stranded wire effectively, we recommend using ferrules for 2.5 mm² wires to ensure the neatest installation and to prevent stray strands from causing short circuits in high-density layouts.
Q: Does this unit handle both AC and DC voltages?
A: Yes. The ATD5A-00 supports up to 250V in both AC and DC configurations, making it versatile for various field device power requirements.
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