NI PXIe-1085 Digital waveform instrument

The device setting “GE,6,6;“ by an external processing unit selects a transfer channel with single return data. Once the device setting has been selected and positive acknowledgement received, the AS returns the initiated command to the third–party computer. In case of errors, an AS specific error message is returned. The third–party computer must always wait for the AS return data between two “operator inputs” from the third–party computer. The dialog is maintained until the transfer is switched off (using the device setting “GE,0,6;“). The standard baud rate in this case is 1200 bits/s. The PBT operator input channel 1 or 2 may be selected as hardware interface.  No PBT can be operated at this interface before the transmission end

Connector assignments

 15–pin Canon female multi–point connector; PBT front connector for operator input channel interface module. See AS 235 Manual for pin assignments. The screen should only be connected at one end.The following enhancements under “GE,6,6;“ have been implemented: PBT operator input channel 1 can be used for configurations from an external processor with higher baud rates. The higher baud rate is directly selected via operator input channel 2 using the configuration keyboard prior to entering ”GE,6,6;” for selection of the configuration channel – GE,24,11; → operator input channel 1 with 2400 bits/s used as configuration channel – GE,48,11; → operator input channel 1 with 4800 bits/s used as configuration channel Alternative selection is possible via the external processing unit “processor” by entering

The second parameter (13) selects the baud 

rate of the active operator input channel. The maximum rate (9600 bits/s), which de–activates online mode, may only be selected for operator position 1. The system assumes “STO” mode. After operator input channel 1 has been parameterized with ”GE,xx,11;” (xx > 12), data from operator position 1 is transferred with the new baud rate. This shows that this operation may only be performed via operator position 2. The “configuration channel” mode must be terminated from the external processor using the instruction “GE,0,6;“. The baud rate remains as previously selected. It is switched back to 1200 bits/s (after the external operations have been completed) by

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