Rockwell-automation 1560E SMC Flex Smart Motor Controller Manual de usuario descargar pdf (Pagina 86)

4-6 Programmi

1560E-UM050B-EN-P - June 2013

Parameter Management Before you begin programming, it is important to understand how the

controller memory is:

• structured within the SMC-Flex controller

• used on power-up and during normal operation

Refer to Figure 4.3 and explanations below.

EEPROM RAM ROM

Figure 4.3 – Memory Block Diagram

Random Access Memory (RAM)

This is the work area of the controller after it is powered up. When you

modify parameters in the Set Up mode, the new values are stored in RAM.

When power is applied to the controller, parameter values stored in the

EEPROM are copied to RAM. RAM is volatile and the values stored in

this area are lost when the controller is powered down.

Read-only Memory (ROM)

The SMC-Flex controller comes with factory default parameter values.

These settings are stored in nonvolatile ROM and are displayed the first

time you enter the Program mode.

Electrically Erasable Programmable Read-only Memory (EEPROM)

The SMC-Flex controller provides a nonvolatile area for storing user-

modified parameter values in the EEPROM.

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Rockwell-automation 1560E SMC Flex Smart Motor Controller Manual de usuario Pagina 86