TRICONEX 3351 Analog Input Module

The information of TRICONEX 3351 analog input module was not explicitly mentioned in the information I searched. However, by analyzing the information I searched, I can sum up some general characteristics and technical parameters related to TRICONEX analog input module.

Module type and channel configuration:

TRICONEX analog input module usually has three independent input channels, each channel receives variable voltage signals from different points, converts them into digital values, and then transmits them to the main processor module.

The module supports the hot backup function, and allows online replacement of the failed module to ensure the high availability of the system.

Diagnostic function:

The module has continuous online diagnosis function, which can detect the fault of each channel and activate the fault indicator. If any channel fails, the module will trigger the failure indicator and activate the chassis alarm signal.

The failure indicator only reports the channel failure, not the overall failure of the module, which helps to distinguish individual problems within the module.

Voltage range and signal type:

The analog input module supports various voltage ranges, such as 0-5 VDC, -5 to +5 VDC, 0-10 VDC, etc.

Thermocouple types (such as J, K, T and E) and differential and single-ended signal configurations are supported.

Redundancy design:

The critical signal paths of modules are usually redundant to ensure safety and maximum availability. For example, in TMR (Triple Modular Redundancy) mode, all signal paths are triplicated.

The module also provides isolation protection to prevent the failure of one channel from affecting other channels.

External Terminal Panel (ETP) requirements:

The analog input module needs an external terminal panel (ETP) to connect with the backplane cable of the Tricon chassis.

Other features:

The module supports high-precision reference voltage source for automatic calibration of analog-to-digital converter.

The module supports a variety of communication protocols, including HART and Modbus.

Although the specific model of TRICONEX 3351 is not explicitly mentioned in the evidence, according to the above summary, it can be inferred that the module may have similar functions and characteristics. If more specific information is needed, it is recommended to consult the official TRICONEX documentation or contact the manufacturer for detailed technical specifications.