Product Details
The Honeywell 900G02-0001, also cataloged as the 900G02-0001 Digital Input Module, operates as a dedicated hardware component for 16-point sinking digital signal acquisition within Honeywell HC900 Controller platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 900G02-0001 |
| Brand | Honeywell |
| Origin | USA |
| Weight | 0.3 kg |
| Dimensions | 135 mm x 45 mm x 112 mm |
| Operating Temp | 0 deg C to 60 deg C |
| Power Consumption | 5 VDC at 130 mA max (backplane); 24 VDC at 0 mA |
| Inputs per Module | 16 (sinking, organized in 2 groups of 8) |
| Input Voltage Range | 10 VDC to 32 VDC (Peak: 32 VDC) |
| ON Voltage / Current | Minimum 9.5 VDC / Minimum 1.0 mA |
| OFF Voltage / Current | Maximum 3.5 VDC / Maximum 0.7 mA |
| Input Impedance | 2.6 k ohms nominal |
| Input Current Nominal | 2.3 mA @ 12 VDC; 6.9 mA @ 24 VDC |
| Response Time | OFF to ON: 4 ms max; ON to OFF: 4 ms max |
| Galvanic Isolation | Group-to-group isolation max 42.4 VDC (2 groups of 8 inputs) |
| Channel Diagnostics | Green LED per channel for ON status; dedicated module status LEDs |
4-20 mA HART Loop & Channel Isolation Architecture
The 900G02-0001 module incorporates dual-group galvanic isolation rated up to 42.4 VDC, separating the 16 sinking inputs into two independent 8-channel banks. This design mitigates common-mode potential differences and field ground loop interference across field wiring segments. Integrated inversion logic configured at the controller level permits signal state flipping without external hardware relays, ensuring seamless integration with process control logic alongside standard 4-20 mA HART loop instrumentation backplanes.
Frequently Asked Questions
Q: What is the maximum allowable voltage between the two input groups on the 900G02-0001?
A: The module provides group-to-group galvanic isolation rated up to a maximum of 42.4 VDC between the two 8-channel input banks.
Q: How does the module handle signal logic inversion for field contacts?
A: State inversion is supported software-side through the HC900 controller logic configuration, allowing input channels to act as active-high or active-low without physical re-wiring.
Field Installation Guidelines
- Power down the rack backplane bus prior to inserting or removing the module from the HC900 chassis slot.
- Ensure field input signal wiring for the sinking inputs complies with the 10 VDC to 32 VDC operating threshold.
- Route field input cables in separate conduits away from high-voltage AC power lines to prevent induced noise.
- Maintain proper terminal strip screw torque during field termination and verify ground continuity across the chassis enclosure.
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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