140SAI94000S Quantum Safety Analog IN 8CH Schneider Electric PLC

140SAI94000S Quantum Safety Analog IN 8CH Schneider Electric PLC

The following 3 Quantum Safety I/O modules are certified for use in safety applications:

 140 SAI 940 00S (Analog Input)

 140 SDI 953 00S (Digital Input)

 140 SDO 953 00S (Digital Output)

The 3 Safety I/O modules allow you to connect the Safety PLC to the sensors and actuators, which are part of the Safety loop. All of them are composed of 2 microcontroller systems running the same program, sharing the same information, and checking each other periodically. You can install these I/O modules in the local backplane or in remote I/O drops.

In general, the Quantum Safety CPU masters all backplane exchanges whereas the other modules are slaves. Between Safety CPU and Safety I/Os, data are exchanged through a dual-port RAM, located in the I/O module.

For the communication between CPU and remote I/Os (Rios), you must use the following 2 noninterfering modules:

 140 CRP 932 00 (RIO head adapter), located in the local rack

 140 CRA 932 00 (RIO drop adapter), located in the RIO drop

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