Siemens Simatic S7-200 System Manual page 413

Calculating Your Power Requirement
Use the table below to determine how much power (or current) the S7-200 CPU can provide for your
configuration. Refer to Appendix A for the power budgets of your CPU model and the power requirements
of your expansion modules.
Power Budget
System Requirements
Total Requirements
Current Balance
Current Balance Total
5 VDC
minus
5 VDC
equals
5 VDC
Calculating a Power Budget Appendix B
24 VDC
24 VDC
24 VDC
B
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