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CHANGXIN Module Spare Parts
For several years, CHANGXIN have specialized in trading high-quality components in the field of industrial automation.
Focusing on PLC components, DCS and CNC technology, and drivetechnology
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3008 | 3664 | 3564 | 3704E | 3805E TRICONEX (SIS）security system
| Brand:TRICONEX |
| Part number:3008 |
| Origin: United States |
| Minimum order quantity: 1 |
| Guarantee period: one year |
| Delivery time: 3-5 days after payment |
| Delivery methods: EMS, FedEx, Debon |
| Condition: In stock, brand new |
| Payment method: T/T, PayPal, Western Union remittance |
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Product Description
3008 | 3664 | 3564 | 3704E | 3805E TRICONEX (SIS）security system
The main processors execute the control program and send outputs generated by the control program to the output modules. The output data is voted on the output modules as close to the field as possible, which enables the Tricon to detect and compensate for any errors that might occur between the
voting and the final output driven to the field. For each I/O module, the system can support an optional hot-spare module which takes control if a fault is detected on the primary module during opera tion. The hot-spare position can also be used for online system repairs. Main Processor Modules A Tricon system contains three main processor (MP) modules to control three separate channels of the system.
Each main processor operates in parallel with the other two main proces sors, as a member of a triad.A dedicated I/O and COMM processor on each main processor manages the data exchanged between the main processors and the I/O modules. A trip licated I/O bus is located on the chassis backplane and is extended from chassis to chassis by means of I/O bus cables.As each input module is polled, the new input data is transmitted to the main processor over the appropriate channel of the I/O bus. The input data from each input module is assembled into a table in the main processor and stored in memory for use in the hardware voting process.
The individual input table in each main processor is transferred to its neigh boring main processors over the propri etary TriBus. During this transfer, hardware voting takes place. The
TriBus uses a direct memory access (DMA) programmable device to synchronize, transmit, vote and compare data among the three main processors.If a disagreement is discovered, the signal value found in two out of three tables prevails, and the third table is corrected accordingly. One-time differ ences which result from sample timing variations can be distinguished from a pattern of differing data. The three independent main processors each maintain data about necessary correc tions in local memory. Any disparity is flagged and used at the end of the scan by the built-in Fault Analyzer routines to determine whether a fault exists on a particular module.
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