Siemens 6AG1221-1BH32-2XB0 SIPLUS S7-1200 SM 1221 16DI Machine

Siemens 6AG1221-1BH32-2XB0 SIPLUS S7-1200 SM 1221 16DI Machine

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Article Number (Market Facing Number) 6AV6643-0BA01-1AX0 For a drop in the line-side supply voltage, the 24 V power supply still maintains the output voltage for a short time in the millisecond range (see Chapter Technical data (Page 37)).

For line supplies that manifest frequent brief voltage dips, in order to increase the power supply reliability, it may make sense to increase the line buffering time in the device using an additional SITOP PSE201U buffer module.

The SITOP PSE201U buffer module, based on electrolytic capacitors, is connected in parallel to the power supply output (Figure 9-6 Buffering brief power failures using the SITOP PSE201U buffer module (Page 63)). The buffer time is 200 ms at 40 A up to 1.6 s for a load current of 5 A. This time can be increased a multiple number of times by connecting buffer modules in parallel; the maximum buffer time is 10 s.

6AG1221-1BH32-2XB0 Technical drawing:

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