6G Controls - Leading Supplier of New & Original PLC 、DCS Parts and Automation Controller
Overview
The Honeywell 900G01‑0202 is a 16-channel digital input module engineered for the HC900 Hybrid Controller and ControlEdge HC900 platforms. It provides reliable detection of discrete on/off signals from field devices, supporting both dry-contact switches and 24 VDC logic signals. Designed for industrial-grade environments, this module offers high noise immunity and fast response times for process automation, machine control, and safety interlock applications.
Key Features
- 16 single-ended digital input channels
- Compatible with dry-contact and 24 VDC signals
- Hot-swappable in HC900 I/O racks for maintenance flexibility
- LED indicators for channel status monitoring
- Galvanic isolation between field wiring and module logic
- Fast response: 4 ms OFF-to-ON, 6 ms ON-to-OFF
- Compact, lightweight design suitable for modular installation
Technical Specifications
General
| Parameter | Specification |
|---|---|
| Manufacturer | Honeywell |
| Model | 900G01‑0202 |
| Product Type | Digital Input (DI) Module |
| System Compatibility | HC900 / ControlEdge HC900 |
| Typical Applications | Switch and sensor status monitoring, SCADA/DCS integration, safety interlocks |
Electrical
| Parameter | Specification |
|---|---|
| Input Type | Dry contact or 24 VDC digital |
| Nominal Input Voltage | 24 VDC (powered inputs) |
| Switching Current | 2.6 mA nominal |
| Maximum Contact Resistance | 1000 Ω |
| OFF-to-ON Response | 4 ms max |
| ON-to-OFF Response | 6 ms max |
| Input Filtering | Debounce and noise suppression supported |
| Power Supply Loading | 5 V: 130 mA max; 24 V: 40 mA max |
Mechanical
| Parameter | Specification |
|---|---|
| Dimensions | 137 × 35.6 × 151.7 mm |
| Weight | 0.354 kg |
| Mounting | Plug-in, HC900 I/O rack |
Environmental
| Parameter | Specification |
|---|---|
| Operating Temperature | Industrial range (per HC900 standards) |
| Humidity | Industrial humidity range |
| EMI/EMC | Meets industrial immunity standards |
Applications
The 900G01‑0202 is commonly used for:
- Monitoring limit switches, pushbuttons, relays, and proximity sensors
- Process automation in water treatment, chemical, and food & beverage systems
- Machine control, equipment status acquisition, and alarm interlocks
- Digital signal input for SCADA or DCS systems
FAQ
Q: Can this module support both dry-contact and 24 VDC inputs simultaneously?
A: Yes, each input channel can accept either a dry contact or a 24 VDC digital signal independently.
Q: Is the module hot-swappable?
A: Yes, it can be replaced or installed without shutting down the HC900 I/O rack.
Q: How does this module ensure noise immunity?
A: It features galvanic isolation between field wiring and logic circuits and includes input filtering to suppress transients and switch bounce.
