Fujitronic Programmable Operation Display UG520H-x User Manual

Page 274

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Appendix-4

Notes on Ladder Transfer Function

1. When [Ladder Tool] is selected for a modular jack, monitor registration on the PLC is prohibited so that

the screen display speed becomes slower than usual during communications between the POD and the

PLC even if the PLC programming software is not started.

2. Also, when the ladder program is transferred in the RUN mode of the POD, communications are

synchronized; therefore, the performance of both the POD and the PLC programming software de-

creases.

• Communicating statuses with the PLC programming software and the PLC during communications

between the UG00S-CW editor and the POD

3. PLC programming software communication setting

For communication specifications between the PLC programming software and the PLC, the communi-

cation parameter settings for the POD and the PLC can be used. Select [Comm. Parameter] from the

[System Setting] menu and check the settings in the [Comm. Parameter] dialog.

<Baud rate setting>

There will be no problem if the setting for [Baud Rate] in the [Comm. Parameter] dialog of the

UG00S-CW editor is not consistent with the baud rate setting on the PLC programming software.

The baud rate set on the PLC programming software is automatically selected when communica-

tions (monitoring, etc.) are performed. When the POD is turned off and back on, the setting for

[Baud Rate] in the [Comm. Parameter] dialog becomes valid again.

* Setting the same baud rate of both PLC and POD makes the performance of POD faster.

4. Transferring the ladder communication program

When transferring screen data, the ladder communication program is also transferred. To transfer the

ladder communication program only, follow the procedure described below.

i)

Select [Ladder com. prg.] in the [Transfer] dialog, and click [PC->].

ii)

The dialog shown on the right is displayed. Select the ladder com. program for the selected plc

type and click [Open]. The program is transferred to the POD.

Normal communications

UG00S-CW

PLC programming software

Writing to POD

Communications disconnected
(normal communications on completion of writing)

Reading from POD

Normal communications

Comparing with POD

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