Product Details
Configured for auxiliary I/O expansion and remote sensor channel processing in Honeywell Spyder systems, the Honeywell SIO4022 (SIO4022 Sylk I/O Module) provides direct physical/electrical execution.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | SIO4022 |
| Brand | Honeywell |
| Origin | USA / As specified on hardware label |
| Weight | 0.79 lbs (0.36 kg) |
| Dimensions | Standard Sylk module housing footprint |
| Operating Temp | -40 to 65 deg C |
| Power Consumption | Powered directly via 2-wire S-Bus (Sylk bus) interface |
| Module Family | Sylk Series |
| System Integration | Honeywell Spyder Controllers via S-Bus |
| Input Capacity | 4 Universal / Digital Inputs |
| Output Capacity | 2 Outputs |
| Wiring Interface | Screw terminal connections |
4-20 mA HART Loop Protocol and Channel-to-Channel Isolation
The SIO4022 routes discrete and analog telemetry back to a master Spyder controller across a two-wire S-Bus connection. Onboard conditioning circuits deliver channel-to-channel isolation across its 4 input and 2 output terminals. This isolation mitigates ground potential shifts when digitizing remote field inputs, including 4-20 mA HART loop protocol transmitters and low-voltage thermistor channels, maintaining signal stability across distributed HVAC control loops.
Frequently Asked Questions
Q: How is communication and operating power delivered to the SIO4022 module?
A: The SIO4022 utilizes a two-wire S-Bus (Sylk bus) connection, receiving both operating power and serial data communication directly from the parent Spyder controller.
Q: What is the total input and output terminal count on the SIO4022?
A: The module provides 4 field input channels and 2 field output channels for localized point expansion.
Field Installation Guidelines
- Mount the SIO4022 securely onto a standard DIN rail or panel backplate within a protected industrial control cabinet.
- Connect the two-wire S-Bus polar/non-polar communication lines from the Spyder controller to the designated bus terminals.
- Wire all field input and output leads to the terminal blocks, ensuring signal wiring is routed separately from high-voltage AC power lines.
- Earth all cable shields to a single grounding point inside the enclosure to eliminate common-mode noise on analog channels.
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.
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- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.































