Yokogawa ATSA3D-0 Dual-Redundant Pressure Clamp Terminal Block

Overview

The Yokogawa ATSA3D-0 terminal block provides stable, dual-redundant wiring for critical analog input signal acquisition. Designed for demanding process environments, it supports secure pressure clamp connections with consistent long-term performance. Moreover, the module integrates naturally with Yokogawa ASI133 analog input modules in established DCS architectures. Its fixed configuration excludes surge absorbers, therefore simplifying selection for standardized intrinsically safe installations.

Key Features and Benefits

Dual-redundant signal paths improve availability and reduce unexpected downtime during continuous plant operation. In addition, pressure clamp terminals ensure vibration-resistant wiring without periodic retightening requirements. The compact mechanical design supports dense cabinet layouts while maintaining clear and organized field wiring. For instance, hazardous area compatibility allows direct use with intrinsic safety barriers and galvanic isolators.

Technical Specifications

Model: ATSA3D-0 Product Type: Dual-redundant pressure clamp terminal block Application: Analog input signal termination Number of Channels: 8 channels Compatible I/O Module: ASI133 analog input module System Compatibility: Yokogawa CENTUM VP, CS 3000 Redundancy: Dual-redundant signal paths Surge Absorber: Not included, fixed configuration Safety Compliance: Designed for intrinsically safe circuits Environmental Standard: ISA S71.04 Class G3 Operating Temperature: -20 to 70 °C (-4 to 158 °F) Dimensions: 65.6 mm × 72 mm × 114 mm Weight: 0.30 kg

Typical Applications and System Integration

The ATSA3D-0 suits analog signal termination in oil, gas, chemical, and power generation facilities. Moreover, it integrates smoothly within Yokogawa control cabinets using standardized mounting practices. Therefore, engineers can maintain consistent wiring philosophies across CENTUM VP and CS 3000 systems. It frequently supports pressure, flow, and temperature transmitters in safety-conscious process areas.

Reliability and Service Considerations

Yokogawa designs this terminal block for long operational life under harsh environmental conditions. In addition, passive construction minimizes maintenance while reducing failure points in signal paths. Clear labeling and logical channel layout support faster commissioning and long-term troubleshooting efficiency.

FAQ

Q: What is the primary purpose of the Yokogawa ATSA3D-0? A: It provides dual-redundant, secure termination for analog input signals connected to ASI133 modules.

Q: Does the ATSA3D-0 include surge protection? A: No, the “-0” suffix indicates a fixed configuration without an integrated surge absorber.

Q: Which Yokogawa systems support this terminal block? A: It is fully compatible with Yokogawa CENTUM VP and CS 3000 distributed control systems.

Q: Can the ATSA3D-0 be used in hazardous areas? A: Yes, it supports intrinsically safe circuit designs when used with appropriate safety barriers.

Q: How many analog channels does the ATSA3D-0 support? A: The terminal block supports eight analog input channels per module.