Overview
The Honeywell 51308095-100, also cataloged as the 51308095 High Level Analog Input Field Termination Assembly, operates as a dedicated hardware component for analog signal termination and field signal routing within Honeywell TDC 3000, PM/APM/HPM, and Experion PKS control architectures. The module interfaces 1-5 VDC and 4-20 mA process signals with associated controller I/O channels through a 16-channel termination structure.
Suffix Breakdown & Model Matrix
The available source data identifies only the fixed catalog number 51308095-100. No official model matrix or suffix decomposition beyond the documented conformal-coated “-100” version is specified.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 51308095-100 |
| Brand | Honeywell |
| Power Consumption | Passive termination assembly; dedicated consumption not specified |
| Module Type | High Level Analog Input (HLAI) Field Termination Assembly (FTA) |
| Input Channels | 16 |
| Signal Range | 1-5 VDC |
| Current Input Support | 4-20 mA via 250 ohm shunt resistors |
| Conformal Coating | Yes |
| Mounting Method | Standard FTA mounting channel / rack mounting |
| System Compatibility | TDC 3000, PM, APM, HPM, Experion PKS |
| Primary Function | Analog field signal termination and routing |
Channel Isolation and Analog Signal Interface Characteristics
The 51308095-100 is designed for process-control analog input applications utilizing standardized 4-20 mA and 1-5 VDC instrumentation signals. The FTA provides organized field termination for multiple process loops and supports signal transfer between field wiring and associated controller input electronics.
Conformal coating on the assembly provides an additional environmental protection layer against moisture accumulation, airborne contaminants, and corrosive atmospheres commonly encountered in industrial control cabinets.
Frequently Asked Questions
Q: Does the 51308095-100 perform analog-to-digital conversion?
A: No. The module functions as a Field Termination Assembly. Analog signal conversion is performed by the associated controller or I/O electronics connected to the termination assembly.
Q: Can 4-20 mA transmitters be connected directly to this FTA?
A: Yes. The module supports 4-20 mA inputs through the use of 250 ohm shunt resistors, allowing conversion to the corresponding voltage input range used by the control system.
Q: Is the module intended for online replacement of controller electronics?
A: The FTA serves as a termination interface. Replacement procedures and hot-swap capability depend on the connected Honeywell controller and I/O subsystem. System maintenance procedures should be followed before disconnecting field wiring or termination assemblies.
Field Installation Guidelines
- Verify wiring against the applicable Honeywell I/O termination drawings before energizing field loops.
- Maintain separation between analog signal wiring and high-voltage power conductors to reduce induced electrical noise.
- Terminate cable shields according to the site grounding philosophy and control system documentation.
- Confirm correct polarity for all voltage and current loop connections prior to commissioning.
- Inspect terminal tightness during maintenance intervals to prevent intermittent signal conditions.
- When replacing an existing assembly, transfer field conductors one channel at a time to minimize wiring errors.
- Preserve the integrity of the conformal coating; avoid mechanical abrasion or unauthorized cleaning agents on coated surfaces.
Reviews
There are no reviews yet.