900G01-0202 Honeywell Digital Input Module Contact type
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Overview
The Contact Closure Digital Input Module (900G01-0202) is self-powered, providing 15VDC to external switching hardware to close the input loop. A closed external circuit causes current flow to the input to establish an ON state. Logic in the controller allows this state to be inverted when necessary. Four common terminals are provided to simplify field wiring. Each channel has a green LED state indicator to show when a digital input is ON. A green blinking status LED on the module indicates when the module is being scanned, while a red status LED lights up when module diagnostics exist.
Key Features
- Inputs per Module: 16 (single-ended)
- Voltage Supplied by Controller: 15 VDC nominal
- Maximum Contact Resistance: 1000 ohms
- Galvanic Isolation: Isolation between field wiring (input or output) and module
- OFF to ON Response Time: 4 ms max
- ON to OFF Response Time: 6 ms max
- Switching Current: 2.6 mA nominal
Specifications Table
| Item | Specification |
|---|---|
| Inputs per Module | 16 (single-ended) |
| Voltage Supplied by Controller | 15 VDC nominal |
| Maximum Contact Resistance | 1000 ohms |
| Galvanic Isolation | Isolation between field wiring (input or output) and module |
| OFF to ON Response Time | 4 ms max |
| ON to OFF Response Time | 6 ms max |
| Switching Current | 2.6 mA nominal |
| Dimension | 137mm H x 35.6mm W 5.4” H x 1.4” W |
| Weight | 354g |
