ABB 1SAP140100R0100 PM581 B1 Operation panel

If you see the status as running, you will not be able to use this com port for anything other than communication to the processor.Upon seeing this, you may now use that com port to connect to the debug port of the module. Note: You may need to shut down and restart your PC before it will allow you to stop the driver (usually only on Windows NT machines). If you have followed all of the above steps, and it will not stop the driver, then make sure you do not have RSLogix open. If RSLogix is not open, and you still cannot stop the driver, then reboot your PC.When the RS-232 interface is selected, the use of hardware handshaking (control and monitoring of modem signal lines) is user definable.

MVI71-103M Status Data Area

 This section contains a listing of the data contained in the MVI71-103M status data object, configuration error word and module error codes.This word contains the number of event messages waiting to send to the processor. 14 Event Msg Overflow This word contains a value of 0 if the event message buffer has not overflowed. If the event buffer overflows, this word will be set to a value of 1. 15 Session Count This word contains the number of session configured in the module. 16 Current Cmd This word contains the index of the current command being executed in the command list. 17 Cmd Busy Flag This word is set to zero if no command is currently being executed and waiting on a response. If the word is set to 1, a command is currently executing

This word contains the count 

of the number of commands configured for the module. 19 Cmd Delay This word contains the command delay counter preset. There is a fixed delay between each command to permit the module to perform class polls on controlled stations. 20 Cmd Queue This word is set to zero if the command executing is from the command list. If the executing command is from the command queue, the word will be set to 1. 21 Cmd Queue Count This word contains the number of active commands in the command queue for the module. Up to 100 commands can be buffered in this queue. These commands are transferred from the processor to the module using special command blocks.

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