In accounting, liabilities are obligations of the company to transfer something of value (an asset-see above) to another party. On a company s balance sheet, a liability may be a legal debt or an accrual, which is an estimate of an obligation. Equity is the owner's value in an asset or group of assets.
A stable variable power supply with an adjustable output voltage from 5 volts to 30 volts can be
Figure 4:PLC Power Supply. The Power Supply is a module located in the PLC system module rack. The DC power (voltage and current) it provides power the other modules in the rack, such as the CPU, Co-processor Modules, and I/O Modules. The line power provided to the PLC system also powers the I/O Field Devices.