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Phone: +86 16626708626Description
3. Key Technical Specifications
The Woodward 5501-432 Discrete Field Termination Module (FTM) connects plant digital inputs (pushbuttons, limit switches, pressure switches) and digital outputs (solenoids, relays, indicators) to Woodward MicroNet discrete I/O cards.
| Parameter | Value |
| Part Number | 5501-432 |
| Manufacturer | Woodward |
| System Architecture | MicroNet Simplex, Dual, and TMR Systems |
| Channel Capacity | 48 High-Density Discrete Channels |
| Interface Cables | High-Density D-Sub Molded Cable Connectors |
| Terminal Type | Screw-cage barrier block connections (12 to 24 AWG) |
| Surge Suppression | Integrated optical/resistor-capacitor protection per group |
| Mounting Style | 35 mm DIN-rail mounting base |
| Operating Temperature | -40°C to +85°C |
| Dimensions | Standard MicroNet FTM footprint |
4. Product Introduction & Supply Chain Strategy
The Woodward 5501-432 is a 48-channel high-density discrete Field Termination Module designed for seamless integration within Woodward MicroNet digital turbine control cabinets. It isolates field contact wiring from sensitive backplane electronics, providing structured screw-terminal landing points for critical alarm, interlock, and solenoid control loops.
Stocking a spare 5501-432 as New Surplus protects your facility against sudden, localized electrical damage. Terminal boards bear the brunt of external field faults, voltage spikes, and physical terminal wear. Replacing a fried termination board with an uninstalled, original New Surplus unit restores field signal continuity immediately—avoiding long factory production delays and eliminating the hidden risks of oxidized screws, damaged trace layers, or broken DIN-rail clips typical of second-hand units.
5501-432
5501-432
5. Installation & Configuration Guide
Critical Safety Warning
Discrete terminal blocks often carry wet contact voltage (24 VDC or 125 VDC). Always de-energize external field power supplies and perform lock-out/tag-out (LOTO) prior to landing wires or replacing the 5501-432 assembly to prevent electric shock or inadvertent contact tripping.
1.Wiring Documentation & ESD Prep:Prerequisite.
Label all incoming field contact wires according to site schematics. Wear a grounded ESD wrist strap before handling cable harnesses. Document all jumper positions on the terminal board.
2.Field Power Disconnection:Power Isolation.
Switch off external wet sensing power supplies feed to the discrete loops. Unbolt and remove the high-density interconnect cables connecting the 5501-432 to the MicroNet rack module.
3.Field Wiring Extraction & Mounting:Hardware Swap.
Unscrew field wire leads from cage clamps. Release the DIN-rail locking tabs and remove the old board. Snap the replacement 5501-432 onto the 35 mm DIN rail and secure the cable harness locking screws.
4.Landing Wires & Loop Check:Commissioning.
Re-land field wires into their designated screw terminals. Re-apply field power and verify discrete state changes in Woodward AppManager software to ensure full channel continuity.
6. Firmware/Software Versions & Upgrade Notes
- Software Compatibility: The 5501-432 is a passive/semipassive termination board containing no flash memory or programmable CPU; no software or firmware updates are required.
- Module Pairing: Designed to pair directly with Woodward 48-channel high-density discrete I/O cards (such as 5466-1158 and related series) via pre-fabricated cables.
- Hardware Revisions: Ensure onboard configuration jumpers or fuse ratings match your plant’s specific voltage requirements (e.g., 24 VDC vs. 125 VDC) prior to powering up.
- Handling Precaution: Avoid over-tightening field terminal screws beyond specified torque limits to prevent cracking internal trace pads.
7. Frequently Asked Questions (FAQ)
Q: Is this Woodward 5501-432 module genuinely new, or is it pulled from a decommissioned panel?
A: This product is a Brand New Surplus unit. It is not used, not pulled from a decommissioned plant, and not refurbished. All modules undergo rigorous quality verification to ensure OEM-level reliability.
Q: Why should I choose New Surplus over a lower-cost refurbished terminal board?
A: Refurbished termination boards often suffer from fatigue in screw-terminal clamps, cracked board layers, and degraded surge protection diodes caused by previous field overvoltage. New Surplus delivers pristine contact integrity, uncompromised insulation, and maximum operating life.
Q: Can I use this terminal board for both discrete inputs and discrete outputs?
A: Yes. The 5501-432 routes 48 discrete channels which can function as inputs or outputs depending on the corresponding MicroNet I/O card and field wiring configuration.
Q: Does the 5501-432 board include individual status LEDs for each channel?
A: Channel status indication is managed on the faceplate of the connected MicroNet rack module or adjacent diagnostic FTM versions. The 5501-432 focuses on high-density termination and signal routing.
Q: What warranty and quality verification accompany this unit?
A: Every 5501-432 module is shipped in ESD-safe protective packaging and comes complete with a full QC inspection report along with a 1-year replacement warranty.
