Yokogawa ATA4D-00 S2 Dual-Redundant Terminal Block
The Yokogawa ATA4D-00 S2 , also cataloged as the ATA4D-00 Terminal Block, operates as a dedicated hardware component for field signal termination and dual-redundant wiring interfacing within Yokogawa FIO (Field network I/O) architectures.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | ATA4D-00 S2 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 0.30 kg (0.66 lbs) |
| Dimensions | 127 mm x 72 mm x 65 mm |
| Operating Temp | -20 to 60 deg C |
| Power Consumption | Passive field terminal assembly (0 W self-consumption) |
| Product Type | Terminal Blocks |
| System Platform | Yokogawa CENTUM VP / FIO System |
| Terminal Type | Pressure clamp (screw-less terminal connection) |
| Channel Capacity | Up to 16 analog input channels |
| Redundancy Architecture | Dual-redundant signal wiring pathways |
4-20 mA HART Loop Protocol & Channel-to-Channel Isolation Integration
The ATA4D-00 S2 pressure clamp terminal block routes field signals directly to FIO analog input modules (such as the AAI141 and AAI143 series). Utilizing dual-redundant internal signal paths, the block maintains physical circuit continuity even if one internal signal line suffers an open circuit. The spring-loaded pressure clamp terminals provide high vibration resistance and prevent wire loosening in harsh plant environments, enabling continuous transmission for 4-20 mA HART loop protocol transmitters while supporting isolated channel signal routing to the host DCS.
Frequently Asked Questions
Q: What specific Yokogawa FIO I/O modules are compatible with the ATA4D-00 S2 terminal block?
A: The ATA4D-00 S2 is designed to pair directly with 16-channel analog input modules within the FIO system, such as the AAI141 and AAI143 series.
Q: What type of field wire connection mechanism is utilized on the ATA4D-00 S2?
A: The module uses a screw-less pressure clamp terminal mechanism, which speeds up field wiring and ensures resistance against vibration-induced wire disconnection.
Q: How does the dual-redundant feature of the ATA4D-00 S2 enhance system availability?
A: The terminal block incorporates dual internal wiring paths, enabling continuous signal transmission between field transmitters and the host I/O module if a single connection path is compromised.
Field Installation Guidelines
- Ensure the host FIO module rack power and field transmitter loops are isolated before connecting or servicing field wiring.
- Mount the ATA4D-00 S2 assembly onto the dedicated I/O interface base, verifying that the retaining latches snap firmly into place.
- Strip field wire insulation to the recommended strip length without nicking the copper conductors.
- Insert a standard flat-blade screwdriver into the pressure clamp release slot to open the spring terminal, insert the wire lead fully, and release the clamp.
- Secure all field cable shields to the system protective earth ground bar to ensure proper noise immunity and suppress electromagnetic interference across analog input channels.
Yokogawa ATA4D-00 S2 Dual-Redundant Terminal Block
Yokogawa ATA4D-00 S2 Dual-Redundant Terminal Block
The Yokogawa ATA4D-00 S2 , also cataloged as the ATA4D-00 Terminal Block, operates as a dedicated hardware component for field signal termination and dual-redundant wiring interfacing within Yokogawa FIO (Field network I/O) architectures.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | ATA4D-00 S2 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 0.30 kg (0.66 lbs) |
| Dimensions | 127 mm x 72 mm x 65 mm |
| Operating Temp | -20 to 60 deg C |
| Power Consumption | Passive field terminal assembly (0 W self-consumption) |
| Product Type | Terminal Blocks |
| System Platform | Yokogawa CENTUM VP / FIO System |
| Terminal Type | Pressure clamp (screw-less terminal connection) |
| Channel Capacity | Up to 16 analog input channels |
| Redundancy Architecture | Dual-redundant signal wiring pathways |
4-20 mA HART Loop Protocol & Channel-to-Channel Isolation Integration
The ATA4D-00 S2 pressure clamp terminal block routes field signals directly to FIO analog input modules (such as the AAI141 and AAI143 series). Utilizing dual-redundant internal signal paths, the block maintains physical circuit continuity even if one internal signal line suffers an open circuit. The spring-loaded pressure clamp terminals provide high vibration resistance and prevent wire loosening in harsh plant environments, enabling continuous transmission for 4-20 mA HART loop protocol transmitters while supporting isolated channel signal routing to the host DCS.
Frequently Asked Questions
Q: What specific Yokogawa FIO I/O modules are compatible with the ATA4D-00 S2 terminal block?
A: The ATA4D-00 S2 is designed to pair directly with 16-channel analog input modules within the FIO system, such as the AAI141 and AAI143 series.
Q: What type of field wire connection mechanism is utilized on the ATA4D-00 S2?
A: The module uses a screw-less pressure clamp terminal mechanism, which speeds up field wiring and ensures resistance against vibration-induced wire disconnection.
Q: How does the dual-redundant feature of the ATA4D-00 S2 enhance system availability?
A: The terminal block incorporates dual internal wiring paths, enabling continuous signal transmission between field transmitters and the host I/O module if a single connection path is compromised.
Field Installation Guidelines
- Ensure the host FIO module rack power and field transmitter loops are isolated before connecting or servicing field wiring.
- Mount the ATA4D-00 S2 assembly onto the dedicated I/O interface base, verifying that the retaining latches snap firmly into place.
- Strip field wire insulation to the recommended strip length without nicking the copper conductors.
- Insert a standard flat-blade screwdriver into the pressure clamp release slot to open the spring terminal, insert the wire lead fully, and release the clamp.
- Secure all field cable shields to the system protective earth ground bar to ensure proper noise immunity and suppress electromagnetic interference across analog input channels.
