Could not find register group with name CPML3720WFRReg, so DDE execute failed.

This is a device-type configuration problem. Please check that you have the correct GE32MODB.CFG file

Could not enable comm notification for <comm port>.

The Server could not initialize notification-based (interrupt-driven) communication for the communication port. Communication with the devices may not work well. Restart the Server. If the problem persists, check the communication port integrity.

Could not find register group with name PLMeterWFCRegisterGroup, so DDE execute failed

This is a device-type configuration problem. Check that you have the correct GE32MODB.CFG file.

Could not open RMS data file <file name>

The data file to store MicroVersaTrip device Peak Demand computation parameters could not be opened by the Server as defined in GE32MODB.INI. The .ini file entry may be wrong or the file may have been deleted.

Comport <comm port> is not configured, cannot close...

Server internal error. Please contact Customer Support. This error cannot occur if the Server is functioning properly. This error indicates corruption of the internal data structures.

COM<n> <device name> : Slave Address Error

The Server polled one Modbus address and got a response from some other address. This condition does not occur if all the devices on network are behaving correctly.

CPML3720WFCReg::OnRetrieveWFR Invalid BufferNo...

An incorrect buffer number was passed by the Waveform Client in the RetrieveWFR DDE Execute command. Please contact Customer Support.

CRC ERROR <comm port> : <device name>

The Server received a response from a slave with a CRC error. If there are frequent CRC errors, some possible causes are:

Excess noise on the RS-485 network. Device responses are corrupted by noise.

Some devices may require a certain idle time on the RS-485 network. If the Server’s protocol timer tick value is set too low, then such devices may give frequent CRC errors. For currently supported devices, timer tick values less than 30 milliseconds are not recommended.

CServerApp::OnDeleteDev - Invalid toolkit index

Internal error in the Server. Please contact Customer Service

DDE Execute <DDE execute command> failed

Possible causes are:

The execute command is misspelled.

60 Chapter Five - Troubleshooting

DDE Server User’s Guide

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Black Box GEH-6510 manual CServerAppOnDeleteDev Invalid toolkit index