Chongqing Chuanyi Automation Limited
CQCY Automation Limited
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AL Module (8-channel quasi input block of the distributed control system)
The" AI module " is an 8-channel analog input block of the PAS300 distribution control system. A 24-bit high-speed A / D converter is selected to centralized detect the 84-20 mA standard signal input channels. After transforming the sampled data, the sampled data is transmitted to the intelligent communication module through the bus bus, and then exchanged data with the control station through the system bus.
Product features:
1.With the microprocessor (MPU), programmable communication controller and non-volatile memory (E2PROM) as the core, the 24-bit high-speed A / D converter is selected.
2.Each input channel provides two working modes of power distribution and no power distribution; both overcurrent / overvoltage protection circuit and EMI circuit are provided
3.Support hot plug; online diagnosis; signal disconnection detection function.
4.The panel has an LED function indicator to display the module power supply, communication, fault status and the status of each channel
5.The module is based on the Modbus communication protocol: it adopts the field power supply and the system power supply isolation power supply design