Product Details
The Honeywell TK-ZLCSR1, also cataloged as the 51403877-175 Power Supply Module, operates as a dedicated hardware component for multi-voltage DC power regulation and 100 Base-T network interfacing within Honeywell PLC and DCS assemblies. It delivers regulated 1.2 VDC, 3.3 VDC, 5.1 VDC, and 24 VDC rails to power internal rack logic circuits and communication interfaces across chassis backplanes.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | TK-ZLCSR1 (51403877-175) |
| Brand | Honeywell |
| Origin | USA |
| Operating Temp | -20 deg C to 60 deg C |
| Power Consumption | Multi-rail DC Power Output Assembly |
| Output Ratings | 4 mA @ 1.2 VDC, 0.31 A @ 3.3 VDC, 1.2 A @ 5.1 VDC, 0.073 A @ 24 VDC |
| Communication Interface | 100 Base-T Ethernet |
| Humidity Range | 5% to 95% non-condensing |
| Enclosure Construction | Ruggedized industrial housing |
Galvanic Isolation and DCS Network Processing
The Honeywell TK-ZLCSR1 incorporates integrated power conversion circuits designed to decouple internal backplane logic voltages from external field transients. When transmitting diagnostic data and power status across 100 Base-T Ethernet links to 4-20 mA HART loop protocol networks or supervisory controllers, the internal filtering stages prevent electromagnetic noise coupling. Channel-to-system isolation barriers preserve signal integrity during step load fluctuations on connected low-voltage rails.
Frequently Asked Questions
Q: Does the TK-ZLCSR1 support hot-swapping under live rack power?
A: Module removal or replacement under live power must follow specific Honeywell rack maintenance rules to avoid voltage dips on adjacent backplane power rails.
Q: What network interface does the TK-ZLCSR1 module utilize for diagnostics?
A: Diagnostic state monitoring and data transfer are conducted via an integrated 100 Base-T Ethernet port.
Field Installation Guidelines
- Turn off primary enclosure power before installing or removing the module from the chassis slot.
- Align the module card edges with the enclosure guides and push steadily until the backplane connectors fully seat.
- Tighten the panel retention screws to secure the unit against vibration and ensure a direct path to chassis ground.
- Connect Category 5e or higher shielded Ethernet cabling to the 100 Base-T port, keeping cable runs separated from AC power lines.
- Confirm that total current draw across all DC output rails stays within specified bus load limits before energizing the system.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Understanding Safety Relays in Industrial Automation: Architecture, Operation, and Functional Safety
Standard electromechanical relays provide basic electrical isolation between low-voltage control circuits and high-power output loads. A traditional switching relay features a magnetic coil driving mechanical Common (COM), Normally-Open (NO), and Normally-Closed (NC) contacts. However, standard relays pose severe functional risks when deployed in critical safety interlock circuits. High current inrush or mechanical wear can weld contacts together permanently. If contact welding occurs in an emergency stop circuit, pressing the button fails to halt hazardous machinery movements. Consequently, global functional safety standards prohibit standard relays for critical machine guarding functions.
Mastering Wire Identification in Industrial Automation: The Power of Ferrules and Cross-Ferruling
Proper wire labeling forms the cornerstone of reliable control system installation and long-term maintenance. In complex industrial automation environments, technicians terminate thousands of conductor ends inside control panels, marshalling racks, and field junction boxes. Ferrules serve as individual tube-shaped sleeve markers slipped onto conductors before final termination. While technicians historically relied on pre-printed individual letter rings, modern control panel builders utilize automated ferrule printing machines. These thermal-transfer printers generate durable, single-sleeve heat-shrink tags directly matching approved wiring schematics, significantly accelerating cabinet assembly workflows.
Understanding Marshalling Cabinets in Industrial Automation and Control Systems
Marshalling cabinets serve as the crucial connection hub between field instruments and centralized processing units. In large DCS and PLC control system architectures, hundreds of multipair field cables run from local junction boxes to the central instrument equipment room. The marshalling cabinet houses field terminal blocks, surge arresters, intrinsic safety isolation barriers, and interposing relays. By segregating field field-wiring terminations from sensitive processor hardware, engineers protect expensive controller backplanes from high-voltage transients. Consequently, this modular separation dramatically streamlines maintenance workflows and simplifies system expansion.