Acquires sixteen isolated 4–20 mA field signals for safety application logic.
Product Overview
SAI143-H03 is a Yokogawa ProSafe-RS analog input module for isolated 4–20 mA signals with HART communication.
It provides sixteen input channels. The H03 suffix denotes the HART-capable version for general-purpose cable connection rather than the Yokogawa-specific cable H33 variant.
ProSafe-RS supports dual-redundant I/O arrangements; the installed project determines whether this module operates as a single unit or part of a redundant pair.
Performance
Carries HART communication for compatible field-device information.
Separates the H03 general-purpose cable boundary from the H33 Yokogawa-specific cable variant.
Supports project-defined dual-redundant I/O architecture.
Technical Details
| Manufacturer | Yokogawa |
|---|---|
| Exact model | SAI143-H03 |
| System family | ProSafe-RS Safety Instrumented System |
| Module function | Analog input |
| Signal type | 4 to 20 mA |
| HART communication | Supported |
| Isolation | Isolated channels |
| Channels per module | 16 |
| Cable type | General-purpose cable connection |
| Pressure-clamp terminal support | Available for this variant |
| MIL cable support | Available for this variant |
| Redundancy capability | Can be placed in a dual-redundant configuration under the ProSafe-RS design |
System Integration
- Confirm ProSafe-RS software release, node hardware and project slot assignment.
- Match H03 terminal or MIL-cable connection hardware; do not substitute H33 cabling assumptions.
- Document channel wiring, barriers, loop power and HART device addresses.
- Review redundant partner identity and switchover status before maintenance.
Applications
- Safety-related 4–20 mA transmitter inputs requiring channel isolation.
- ProSafe-RS loops that also use HART communication for compatible device data.
- Single or dual-redundant module configurations defined by the approved safety project.
About IndustryParts
https://www.industryparts.com/Analog safety data and HART identity stay on the same record
IndustryParts handles SAI143-H03 with its H03 cable boundary, sixteen-channel loop list, redundancy status and ProSafe-RS project evidence.
- H03 cabling verified
- 16 loops documented
- Redundancy status captured
FAQ
Q01Can SAI143-H03 replace SAI143-S03 directly?
Not without engineering review. H03 adds HART communication; project configuration, field devices, cabling and safety validation must all be checked.
Q02What should be supplied for an SAI143-H03 enquiry?
Provide the module label, ProSafe-RS node and software release, slot, redundancy status, terminal/MIL cable identity, loop list and diagnostics.
Q03Can SAI143-H03 use the cable assembly intended for SAI143-H33?
Do not assume so. H03 is the general-purpose cable variant, while H33 is specified for Yokogawa-specific cables. Match the installed termination design.
Q04How should HART behavior be checked after SAI143-H03 replacement?
Confirm analog measurement first, then verify the approved HART communication path and device identity without disturbing the safety function.
Q05What evidence closes an SAI143-H03 replacement?
Record exact identity, healthy redundancy, all sixteen channel checks, HART verification where used, cleared diagnostics and approved proof-test results.
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