Calculating Your Power Requirement - Siemens SIMATIC S7-200 System Manual

Installing an S7-200 PLC

Calculating Your Power Requirement

Use the table below to determine how much power (or current) the CPU can
provide for your configuration. Refer to Appendix A for the power budgets of your
CPU and the power requirements of your expansion modules.
Power Budget
System Requirements
Total Requirements
Current Balance
Current Balance Total
2-20
5 VDC
minus
5 VDC
equals
5 VDC
S7-200 Programmable Controller System Manual
24 VDC
24 VDC
24 VDC
A5E00066097-02