Product Details
The Honeywell S7800A1068, also cataloged as the S7800A1068 Keyboard Display Module, operates as a dedicated hardware component for real-time burner status monitoring, first-out annunciation, and local system parameter configuration within 7800 Series burner control platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | S7800A1068 |
| Brand | Honeywell |
| Origin | USA |
| Weight | 0.25 lbs |
| Dimensions | Standard 7800 Series display footprint |
| Operating Temp | -40 to +60 deg C (-40 to +140 deg F) |
| Power Consumption | Maximum 7 W (Maximum 2 VA) |
| Display Type | 2-row x 20-column Vacuum Fluorescent Display (VFD) |
| Display Language | Spanish (S7800A1068 variant) |
| Power Supply Input | 13 VDC peak full-wave rectified (+20% / -15%) |
| Storage Temperature | -51 to +66 deg C (-60 to +150 deg F) |
| Operating Humidity | Up to 85% RH, non-condensing |
| Vibration Limits | 0.5 G maximum operating environment |
Galvanic Isolation and HART Protocol Interfacing
The module architecture isolates display driving logic from main flame safeguard circuits to prevent electromagnetic noise coupling across communication buses. Integrated optical and galvanic separation barriers maintain signal integrity between the VFD controller and internal microprocessors. This decoupling ensures stable message rendering and fault code logging during transient voltage conditions across 7800 Series control loops.
Frequently Asked Questions
Q: What primary display format and language interface are configured on the S7800A1068?
A: The module features a 2-row by 20-column Vacuum Fluorescent Display (VFD) hard-coded with a Spanish language text interface for diagnostic messages and fault status.
Q: How is operating power supplied to the display module?
A: Power is supplied directly from the host 7800 Series relay module backplane delivering 13 VDC peak full-wave rectified power (+20% / -15%).
Field Installation Guidelines
- Ensure main power to the 7800 Series burner control relay module is de-energized prior to installing or removing the display module.
- Align the rear terminal pins of the display module with the front card edge socket on the relay module or remote mounting bracket.
- Press the module firmly into place until the side retaining clips engage cleanly without forcing connector pins.
- Route remote interface cables away from high-voltage ignition transformer leads to prevent inductive noise interference.
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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