The 51198651-100 is a high-reliability Power Supply Module engineered for the Honeywell TDC 3000 and Experion PKS distributed control system (DCS) architectures. This module acts as a mechanical necessity for maintaining stable operational voltages across the system backplane, specifically supporting network interface and automation interface modules. It is designed to deliver regulated 24 VDC power, ensuring that mission-critical controllers and communication gateways in refineries, chemical plants, and power generation facilities remain operational. Its rugged construction provides the authoritative performance required for the 24/7 demands of industrial automation.
(Note: Technical correction applied—the 51198651-100 is the specific Power Supply Module often paired with the 51156510-100 interface series to provide its required DC rails.)
| Attribute | Details |
| Manufacturer | Honeywell |
| Model Number | 51198651-100 |
| Product Type | Power Supply Module |
| System Compatibility | Honeywell TDC 3000, TPS, Experion PKS |
| Input Voltage | 100–240 VAC (Universal AC Input) |
| Output Voltage | 24 VDC Regulated |
| Redundancy Support | Supports Redundant Power Configurations |
| Operating Temperature | -40 °C to +85 °C |
| Weight | 0.8 kg |
| Shipping Weight | 3.0 kg |
| Country of Origin | USA |
| Warranty | 12 Months |
| Certifications | CE, UL, CSA Compliance |
Pre-Installation Inspection: Verify the 51198651-100 is in its original factory packing and check for any physical damage during shipping.
Chassis Placement: Identify the dedicated power supply slot in the Honeywell chassis. Ensure the slot is free of debris.
Insertion: Slide the module into the slot until the connectors are fully seated. Tighten any integrated retaining screws to ensure a trustworthy mechanical and electrical bond.
Redundant Configuration: If deploying in a redundant pair, ensure the secondary 51198651-100 is installed in the adjacent power slot to facilitate automatic failover.
Wiring and Grounding: Connect the AC input source following local electrical codes. Ensure the chassis grounding terminal is bonded to the plant's safety ground to maintain EMI/RFI immunity.
Status Verification: Upon power-up, monitor the diagnostic LEDs on the module faceplate. A steady green "Power" or "OK" indicator confirms the module is delivering the authoritative 24 VDC required by the system.
Can the 51198651-100 operate in outdoor cabinets?
Yes. Due to its wide operating temperature range of -40 °C to +85 °C, this module is an authoritative choice for unconditioned environments or outdoor control cabinets commonly found in midstream oil and gas applications.
Does this module include short-circuit protection?
The 51198651-100 features integrated over-current and short-circuit protection logic. This is a mechanical necessity to prevent localized field wiring faults from damaging the expensive DCS backplane electronics.
Is it compatible with the 51156510-100 interface module?
The 51198651-100 is frequently utilized as the primary power source for the 51156510-100 network interface, providing the trustworthy DC rails needed for LCN to UCN gateway communications.
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