YOKOGAWA SA1143-H63
Model：SA1143-H63Manufacturer: YOKOGAWASize: 20*20*30cmDetail Specification: analog input moduleComment:CartonShipping Weight:4.5KgEstimated Lead Time: 12 WeeksPayment：T/THS CODE：9026201090Unit price (EXW): 3000US dollarsDelivery time: 12 – 16 weeks
product details
YOKOGAWA SA1143-H63
The Yokogawa SAI143-H63 is a 16-channel analog input module engineered for the ProSafe-RS Safety Instrumented System (SIS) and the CENTUM VP distributed control system.-5 This high-precision module captures 4–20 mA current signals from field transmitters—pressure, temperature, flow, and level sensors—and converts them into digital data for safety logic execution and process monitoring. The “H63” suffix denotes ISA Standard G3 conformal coating for corrosion resistance plus an extended operating temperature range of -20°C to 70°C, making this variant suitable for harsh industrial environments where standard modules would fail.-8
Yokogawa Electric Corporation, headquartered in Tokyo, Japan, manufactures the SAI143-H63 to meet SIL 3 safety integrity level requirements per IEC 61508. The module arrives brand‑new in original packaging with a 12‑month warranty. Certificates of Origin and Conformance are available upon request.
Key Technical Specifications
| Parameter | Specification |
| Manufacturer | Yokogawa Electric Corporation |
| Model Number | SAI143-H63 (also referred to as SA1143-H63 in some documentation) |
| Product Type | Analog Input Module (HART enabled) |
| System Compatibility | ProSafe-RS SIS / CENTUM VP / CENTUM CS 3000 |
| Number of Channels | 16 channels, module‑isolated |
| Rated Input Range | 4 to 20 mA DC |
| Permissible Input Range | 0 to 25 mA |
| Input Impedance (Power‑ON) | 250 Ω (approx. 272.5 Ω at 20 mA, 362.5 Ω at 4 mA) |
| Input Impedance (Power‑OFF) | 500 kΩ minimum |
| Accuracy | ±16 μA (input range 0.05–23 mA); ±32 μA (input range under 0.05 mA) |
| Data Update Frequency | 40 ms |
| Resolution | 16‑bit ADC |
| Withstand Voltage | 1.5 kV AC (input signal to system, 1 minute) |
| Insulation Resistance | 20 MΩ at 500 V DC |
| Power Consumption | 5V system bus: 320 mA; 24V external: 550 mA |
| Operating Temperature | –20 °C to +70 °C |
| Storage Temperature | –40 °C to +85 °C |
| Humidity | 5% to 95% RH (non‑condensing) |
| Vibration Resistance | 4.9 m/s² continuous (9 Hz to 150 Hz) |
| Impact Resistance | 147 m/s² for 11 ms |
| Altitude | Usable up to 2000 meters above sea level |
| Corrosive Gas Compliance | ANSI/ISA S71.04 G3 |
| Dust Limit | Maximum 0.3 mg/m³ |
| Weight | Approx. 0.34 kg to 0.39 kg (depending on terminal type) |
| Certifications | TÜV SIL 3 (IEC 61508), CE, UL, CSA |
Key Functional Features
HART Communication Pass‑Through: The module supports HART protocol, enabling remote configuration, diagnostics, and asset management of smart field transmitters directly through the safety controller—reducing field inspections in hazardous areas.-5
Integrated Transmitter Power Supply: Provides 16.15–26.4 V DC power for 2‑wire transmitters with a 25 mA current limit per channel, switchable for all 16 channels simultaneously.-5
Module‑Level Isolation: Galvanic isolation (1.5 kV AC withstand) protects against ground loops, electrical interference, and fault propagation between channels and from field side to system bus. -5
Dual‑Redundancy Support: Two SAI143-H63 modules can be configured in redundant FIO nests; if one module fails, the partner continues operation without interrupting the safety function or process monitoring.-8
Thermal and Environmental Hardening: ISA G3 conformal coating protects against corrosive gases. The extended –20°C to 70°C operating range suits remote enclosures and high‑temperature environments where standard modules are not viable.-8
Flexible Field Wiring: Supports pressure clamp terminal blocks (tool‑free spring clamping), MIL 40‑pin ribbon cables, or dedicated AKB series signal cables—adaptable to different site requirements.-5
Model Number and Suffix Code Decoding
| Model Component | Meaning |
| SAI143 | Analog Input Module (4–20 mA, 16 channels, module isolation) |
| –H | HART communication enabled (firmware version R1.02.00 or later) |
| 63 | ISA Standard G3 conformal coating, temperature rating –20°C to +70°C |
Applications
The SAI143-H63 serves safety‑critical processes where accurate and continuous acquisition of analog field signals is mandatory.-5
| Industry | Representative Applications |
| Oil and Gas | Wellhead pressure monitoring, pipeline flow measurement, LNG process variables, offshore platform safety systems |
| Petrochemical and Chemical | Reactor temperature/pressure interlocks, tank level monitoring, catalyst bed temperature profiling |
| Power Generation | Boiler drum level, turbine inlet pressure, flue gas oxygen content, balance‑of‑plant auxiliaries |
| Metals and Mining | Smelting furnace temperature, conveyor safety monitoring, grinding circuit pressure feedback |
| Pharmaceutical | Bioreactor batch parameters, cleanroom differential pressure, utility system monitoring |
Installation and Integration Notes
System Compatibility: The SAI143‑H63 installs into Safety Node Units and Safety Control Units within ProSafe‑RS architecture and is also compatible with CENTUM VP and CENTUM CS 3000.-40
Pin Configuration: Per‑channel pin settings select 2‑wire or 4‑wire transmitter connection. When the module loses power, the current input loop becomes open—do not connect current signals in parallel with other devices.-39
Mounting: Insert the module into a designated I/O slot within the control rack. The hot‑swappable design supports module replacement without system shutdown when deployed in a properly configured redundant system.-40
Field Wiring Recommendations: Use shielded twisted‑pair cables for HART signal transmission. Maintain 24 V DC loop power stability within the specified tolerance (±10%). Ensure the transmitter loop impedance meets the 250 Ω input resistance requirement plus any additional series burden.
Maintenance: Regular HART device configuration verification is recommended. Yokogawa guidelines suggest replacement intervals of 7‑10 years, subject to operating conditions.
Certification Compliance: For SIL‑rated safety applications, the SAI143‑H63 must be used in accordance with IEC 61508 functional safety requirements and applicable local codes.
Obtain relevant certificates and quotations for the product
