Measurement Computing GPIB-488 - Manual (Page 109)

Appendix C IBERR
GPIB-488 C-3 Programming Reference Manual
ENOL—No listening device(s)
Cause: The routine detected no listeners.
Solution: Verify the following:
• Make sure that a device has been addressed properly.
• Check that at least two-thirds of the devices on the GPIB
bus are turned on, including the specified device.
• Make sure that all connections are secure.
• Verify the device(s) GPIB address.
• Make sure that the device was properly configured.
EADR—GPIB interface board not addressed
Cause: The GPIB interface board has not been addressed.
Solution: Call ibcmd and address the board.
If you are calling ibgts , with shadow handshaking enabled, call
ibcac .
EARG—Invalid argument
Cause: An invalid parameter has been provided to a routine.
Solution: Check syntax and range of parameters. See Chapter 3, GPIB 488.1
Library Reference , and Chapter 4, GPIB 488.2 Library Reference .
ESAC—Board is not the system controller
Cause: Routine requires that the GPIB interface board is the system
controller.
Solution: Configure the board to be the system controller.