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Analog Value Processing
S5-115U Manual
The block diagrams (Figures 10-1, 10-12 and 10-17) illustrate the method of operation as well as
the signal interchange between the analog input modules and the CPU.
In the case of the 460 and 465 modules, a processor (ADCP) controls the multiplexer, analog-
digital conversion and the forwarding of the digitized measured values to the memory or to the
data bus of the programmable controller. The controller takes account of the module's operating
mode, which is set at the relevant switch.
The process signals must be matched to the input level of the analog digital converter (ADC) to
suit the application. You can match the signals with the 460 and 465 modules by plugging a
suitable range card (voltage divider or shunt) into the receptacle on the frontplate of the analog
input module.
In the case of the 466 module an internal controller handles all required functions.
You can adapt the process signals to the input level of the analog input modules in the case of the
466 module by specific settings of the measuring range switches.
10-2
EWA 4NEB 811 6130-02b
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