CONTROL APPARATUS INCLUDING DETACHABLE KEYPAD MOUNTING COMMUNICATION PORT CONNECTING PERSONAL COMPUTER TO SAID KEYPAD

Abstract

The control apparatus according to the invention includes a keypad detachable from the control apparatus and including a communication device that facilitates communicating with a personal computer such that the keypad detached from the control apparatus is connected to the personal computer for setting the operations of the control apparatus and, then, the keypad is attached to the control apparatus to make the control apparatus conduct the control operations based on the setting contents set in the keypad. The control apparatus according to the invention facilitates setting the operations thereof in any place different from the place, therein the control apparatus is installed, and reducing the electric power fed to the control apparatus during the setting operation.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a block diagram describing the configuration of a control apparatus according to the invention.

FIG. 2( a) is a block diagram describing the operation writing the settings of an inverter into the memory of a keypad from a PC connected to the keypad.

FIG. 2( b) is a block diagram describing the operation writing the settings of the inverter into the memory thereof from the keypad connected to the inverter.

FIG. 3( a) schematically shows a screen on the PC displaying an example of settings.

FIG. 3( b) schematically shows the external appearance of the keypad.

FIG. 3( c) is a drawing schematically describing the data transfer such as parameter transfer from the keypad to the inverter.

FIG. 4 is a block diagram describing the configuration of a conventional inverter.

Claims

1. A control apparatus connectable to a personal computer, the control apparatus facilitating conducting the settings relevant to the operations thereof from the personal computer connected thereto, the control apparatus comprising: a keypad detachable from the control apparatus, wherein the keypad includes a communication device connectable to the personal computer; anda storage device that stores data relevant to the operations of the control apparatus, the data comprising parameters values and programs.

2. The control apparatus according to claim 1, wherein the keypad comprises a keypad storage device; wherein the keypad is detached from the control apparatus and connected to the personal computer to transfer the data to the keypad storage device; and wherein the keypad is returned to the control apparatus to transfer the data from the keypad storage device to the storage device of the control apparatus.

3. The control apparatus according to claim 1, wherein the communication device tests whether communication between the personal computer and the keypad is normal or not.

4. The control apparatus according to claim 2, wherein the storage unit of the keypad is capable of storing the data comprising the parameter values and the programs relevant to the operations of a plurality of control apparatuses.

5. The control apparatus according to claim 1, wherein the communication device is capable of exchanging data between the personal computer and the keypad and is capable of feeding an electric power supply from the personal computer to the keypad.