Product Details
The Honeywell PUB4024S, also cataloged as the PUB4024S Programmable Unitary Controller, operates as a dedicated hardware component for HVAC sequence control and field telemetry processing within Spyder Series 3 BACnet networks.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | PUB4024S |
| Brand | Honeywell |
| Origin | USA / As specified on hardware label |
| Weight | 0.60 lbs (0.27 kg) |
| Dimensions | Standard Spyder controller housing footprint |
| Operating Temp | -40 to 65 deg C |
| Power Consumption | 24 VAC nominal (50/60 Hz) |
| Controller Series | Spyder Series 3 |
| Communication Protocol | BACnet MS/TP |
| Universal Inputs (UI) | 4 channels |
| Digital Inputs (DI) | 0 channels |
| Analog Outputs (AO) | 2 channels |
| Digital Outputs (DO) | 4 channels |
4-20 mA HART Loop Protocol and Channel-to-Channel Isolation
The PUB4024S executes real-time control logic and variable digitizing across 4 Universal Inputs, 2 Analog Outputs, and 4 Digital Outputs. Internal signal processing circuits establish channel-to-channel isolation across individual terminal blocks, preventing common-mode ground currents from disrupting analog measurement accuracy. This isolation framework protects connected 4-20 mA HART loop protocol transmitters, thermistors, and modulating actuator feedback lines from electrical noise propagation across the local control panel.
Frequently Asked Questions
Q: What power supply characteristics are required for operating the PUB4024S controller?
A: The PUB4024S requires an external AC power source delivering 24 VAC at a frequency of 50/60 Hz.
Q: What is the hardware I/O configuration available on the PUB4024S terminal blocks?
A: The module features 4 Universal Inputs (UI), 0 Digital Inputs (DI), 2 Analog Outputs (AO), and 4 Digital Outputs (DO).
Field Installation Guidelines
- Secure the PUB4024S onto a standard 35 mm DIN rail or mounting surface inside an IP-rated enclosure.
- Route incoming 24 VAC supply power through designated power terminals, ensuring physical separation from low-voltage I/O lines.
- Connect BACnet MS/TP network cables using twisted shielded pair wiring, grounding the shield drain wire at one point on the enclosure earth terminal.
- Ensure field sensor and actuator signal cables are properly terminated at the screw terminals to maintain low-resistance contact.
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.
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