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Standard Invensys Triconex DI3301 DI Input Module Tested 24V Control System Digital IN

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xBrand | TRICONEX | Product Name | DI3301 |
---|---|---|---|
Lead Time | 2-3 Working Days | Product Orgin | UK |
Shipping Port | Xiamen | Condition | In Stock |
Service | 1 Year | Quality | 100% New And Origin |
Highlight | DI3301 Triconex DCS,24V Triconex DCS |
Product:Standard Invensys Triconex DI3301 DI Input Module Tested 24V Control system Digital IN
TMR Digital Input Modules
Each TMR digital input (DI) module has three isolated input channels which independently process all data input to the module. A microprocessor on each channel scans each input point, compiles data, and transmits it to the main processors upon demand. Then input data is voted at the main processors
just prior to processing to ensure the highest integrity. All critical signal paths are 100 percent triplicated for guaranteed safety and maximum availability.
Models 3502E, 3503E, and 3505E can self-test to detect stuck-ON conditions where the circuitry cannot tell whether a point has gone to the OFF state. Since most safety systems are set up with a de-energize-to-trip capability, the ability to detect OFF points is an important feature. To test for stuck-ON inputs, a switch within the input circuitry is closed to allow a zero input (OFF) to be read by the optical isolation circuitry. The last data reading is frozen in the I/O communication processor while the test is running.
Each channel conditions signals independently and provides optical isolation between the field and the Tricon.
Recommended Products:
4119A* |
2752-2 |
8305A |
3501E |
3601E |
3805E |
3503E* |
3611E |
3531E |
3604E |
3703E |
3006 |
8311 |
3003 |
3700 |
3007 |
4310 |
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