IBSIC

Board-Level

---

Purpose

Assert interface clear.

Format

C

unsigned long ibsic (int ud)

Visual Basic

CALL ibsic (ud%)

or

status% = ilsic (ud%)

Interactive Control (Usage Notes)

ibsic

Input

ud	Board descriptor

Output

Function Return

The value of Ibsta

Description

ibsic asserts the GPIB interface clear (IFC) line for at least 100 µs, then unasserts IFC. Asserting IFC unaddresses all devices on the bus and makes the interface board CIC.

The IFC signal resets only the GPIB interface calls of bus devices and not the internal device calls. Consult your device documentation to determine how to reset the internal calls of your device.

Possible Errors

EDVR	The NI-488.2 driver is either configured incorrectly or is not properly installed.
EHDL	ud is invalid or out of range.
ELCK	The requested operation could not be performed because of an existing lock by another process.
ENEB	The interface is not installed or is not properly configured.
EOIP	Asynchronous I/O is in progress.
ESAC	The board does not have System Controller capability.