3401 Digital Output Module BY TRICONEX

3401 Digital Output Module BY TRICONEX

Before contacting corporate technical support, please try to solve the problem by referring to the Triconex  3401 documentation. If you are unable to solve the problem, obtain the following information:
• Error messages and other indications of the problem
• Sequence of actions leading to the problem
• Actions taken after the problem occurred
• If the problem involves a Triconex 3401  controller, obtain the model numbers and revision levels for all affected items. This information can be found on the modules, in the System Log Book, or on the TriStation Diagnostic Panel.
• If the problem involves software, obtain the product version number by selecting the About topic from the Help menu.

3401 Digital Output Module BY TRICONEX

3401 Digital Output Module BY TRICONEX

If possible, you should contact your regional customer center for assistance. If you cannot contact your regional center, contact technical support for the type of system you are using, either ESD systems or Turbomachinery systems.Please include the following information in your message:
• Your name and your company name
• Your location (city, state, and country)
• Your phone number (area code and country code, if applicable)
• The time you called
• Whether this is an emergency Note If you require emergency support and are not an SMP participant, please have a purchase order or credit card available for billing.Emergency calls are responded to on a 24-hour daily basis.

3401 Digital Output Module BY TRICONEX

3401 Digital Output Module BY TRICONEX

The 3401 controller features TMR architecture to ensure fault tolerance and error-free,uninterrupted control in the event of hard failures of components or transient faults from internal or external sources.Each I⁄O module houses the circuitry for three independent channels. Each channel on the input modules reads the process data and passes that information to its respective MP. The three MPs communicate with each other using a proprietary,high-speed bus called the TriBus.Once per scan, the MPs synchronize and communicate with their neighbors over the TriBus. The TriBus forwards copies of all analog and digital input data to each MP and compares output data from each MP. The MPs vote the input data, execute the application, and send outputs generated by the application to the output modules. In addition, the controller votes the output data on the output modules as close to the field as possible to detect and compensate for any errors that could occur between the TriBus voting and the final output driven to the field.
For each I⁄O module, the controller can support an optional hot-spare module. If present, the hot-spare takes control if a fault is detected on the primary module during operation. The hot-spare position is also used for the online hot repair of a faulty I⁄O module.

3401 Digital Output Module BY TRICONEX PDF

3401

3401 Digital Output Module BY TRICONEX

As each input module is polled, the appropriate channel of the I⁄O bus transmits new input data to its MP. The 3401input data is assembled into a table in the MP and is stored in memory for use in the voting process.The individual input table in each MP is transferred to its neighboring MP over the TriBus. After this transfer, voting takes place. The TriBus uses a programmable device with direct memory access to synchronize, transmit, and compare data among the three MPs.The MPs send corrected data to the application. The 32-bit MP executes the application in parallel with the neighboring MPs and generates a table of output values that are based on the table of input values according to user-defined rules.The I⁄O control processor on each MP manages the transmission of output data to the output modules by means of the I⁄O bus

3401 Digital Output Module BY TRICONEX

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