GPIB-PC Functions — Overview Section FourGPIB-PC User Manual 4-6 ©National Instruments Corp.Error CodesWhen the ERR bit is set in the status word, a GPIB error has occurred.The error code is returned in the variable IBERR.There are 14 possible error codes. Table 4.2 lists these codes, arecommended mnemonic to be associated with that type of error, andthe numeric value of the code.Table 4.2 - GPIB Error CodesSuggested Decimal ExplanationMnemonic ValueEDVR 0 DOS errorECIC 1 Function requires GPIB-PC to be CICENOL 2 No Listener on write functionEADR 3 GPIB-PC not addressed correctlyEARG 4 Invalid argument to function callESAC 5 GPIB-PC not System Controller as requiredEABO 6 I/O operation abortedENEB 7 Non-existent GPIB-PC boardEOIP 10 I/O started before previous operationcompletedECAP 11 No capability for operationEFSO 12 File system errorEBUS 14 Command error during device callESTB 15 Serial Poll status byte lostESRQ 16 SRQ stuck in ON positionA description of each error and some conditions under which it mayoccur follows:EDVR (0) EDVR is returned by the language interface when thedevice or board name passed in an IBFIND call is notconfigured in the handler. In this case, the variable IBCNTwill contain the DOS error code 2, "Device not found." Theremedy is to replace the argument to IBFIND with a validboard or device name, or reconfigure the handler using theIBCONF utility to recognize the name.
