Siemens DTU3005-B Betreibershandbuch PDF herunterladen (Seite 47)

7 Troubleshooting

Siemens Energy & Automation, Inc. 43

7 Troubleshooting

Use this table to troubleshoot any errors that might occur when using the DTU3005P.

Problem Possible Cause(s) Action

Runtime error occurs

when starting the

program

The Editor program was started from an

icon on the desktop.

Close the DOS window and start the program

again.

From the DOS prompt, locate the DTU3005.BAT

file and execute it.

The CPU is greater than 300 MHz. Third-party program to slow down CPU clock

speed is required.

Project is not down-

loading to DTU unit

Wiring Verify wiring from PC to DTU.

Missing Null modem A Null modem is required between the PC and

DTU for communication.

DTU is not in Configuration Mode Power unit down, enable Dip Switch 3, and then

power unit on. Flashing green light indicates that

the DTU is in Configuration mode.

Running software on Windows NT system Use software only on systems running Windows

95 or 98.

DTU is not communi-

cating with Profibus

Master

Incorrect settings

- Address

- Baud Rate

Verify address and baud rate settings.

Wiring Verify wiring from DTU to Profibus-DP Master.

DTU is in Configuration mode Power down unit, turn all Dip Switches off, and

then power the unit back on. Steady green light

indicates that the DTU is in normal operation

mode.

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Siemens DTU3005-B Betreibershandbuch Seite 47