Rockwell-automation 57C435 Processor Module, AutoMax Manual de usuario descargar pdf (Pagina 55)

FĆ1

Appendix F

Using Modems with AutoMax Systems

This section describes how to connect a local personal computer to a remote

rack through modems. The term local" is used to denote the location of the

personal computer from which you will communicate through modems. The term

remote" is used to denote the location of the rack with which you will

communicate through modems.

Note that this section describes how to connect modems to the

PROGRAMMER/PORT B" port, not the ports in the rack available to the user. See

Appendix C for connections to user ports.

The instructions below assume the use of Hayes modems or Hayes compatible

modems. Refer to JĆ3684 or JĆ3750 for information on connecting and

disconnecting the personal computer and the Processor.

Installing the Modem at the Remote End

The instructions below assume that the remote rack already contains a runbase,

or operating system.

1. If you have not already done so, connect a personal computer to the

PROGRAMMER/PORT B" port on the leftĆmost Processor module in the

rack.

2. Run the AutoMax Programming Executive.

3. Select the OnĆLine Programming menu.

4. Select the Connect menu.

5. Select Baud Rate.

6. Using the up and down arrow keys, choose the baud rate that matches the

baud rate of the modem you will be using.

7. Press <CR> to select the baud rate.

8. Disconnect the cable between the Processor and the personal computer.

9. Set the modem to autoĆanswer mode.

10. Connect the modem to the telephone line and to the same Processor port

used for the personal computer. The cable between the DBĆ25 connectors on

the modem and the Processor uses straight wiring for pins 2, 3, and 7.

Accessing a Rack by Modem

1. Edit the file BAUDRATE.INI in the AMX2 subdirectory (for Version 2.0 systems)

or AMX3 for Version 3.0 systems on the local personal computer.

2. Assign NORM" to the modem baud rate. For a 1200 baud modem, you

would select NORM=1200. The modem attached to the local personal

computer must be at the same baud rate as the modem on the remote

connection.

3. Attach a modem to the personal computer port COM1 or COM2. Attach the

modem to a phone line.

4. If you have not already done so, run the AutoMax Executive.

5. Select Communication Interface (F6) (AutoMax V2.X) or select Kermit from the

command menu (AutoMax V3.X)

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