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Operating
7.2 SIMATIC PDM
7.2.3
Deactivate buffers when connecting via serial modem
Introduction
This deactivation is required to align SIMATIC PDM with the HART modem when using a
Microsoft Windows operating systems.
Deactivating buffers is not necessary when connecting via USB.
Condition
• You connect via RS232 (COM1).
• You have administrative rights on your operating system.
• You know the hardware and software requirements SIMATIC PDM installation
documentation.
Procedure
1. Check the Operating Instructions for SIMATIC PDM for hardware and software requirements.
2. From the computer desktop, click "Start > Control Panel" to begin configuration.
3. Click "System and Security".
4. Select "Device Manager" under "System".
5. Open folder "Ports".
6. Double click the COM Port used by the system to open the properties window.
7. Select the tab "Port Settings".
8. Click the "Advanced" button.
If the "Use FIFO buffers" radio box is selected, click to deselect.
9. Click "OK" button to close out.
10.Close all screens.
11.Restart the computer.
50
①
Deselect "Use FIFO buffers" radio box
TRANSMAG 2 with MAG 911/E
Operating Instructions, 03/2021, A5E00102775-AC
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