Technical data

Module 11
Advanced Definitions and Operations
11-3
To Control External GPIB Devices
Miscellaneous: GPIB I/O
Write String to send a string command to GPIB device
Write Value to send a command to GPIB device
Read String to read a string value from GPIB device
Read Value to read a numeric value data from GPIB device
Read List to read a vector data from GPIB device
Read STB to read status byte of GPIB device
GP-IB ControlGroup Execution Trigger
Device Clear
Go To Local
Local LockOut
You can control external GPIB devices from the EasyEXPERT by using the GPIB I/O statement.
The GPIB I/O statement provides the write/read functions shown above. Select a write function and
enter the necessary parameters to send a command to the GPIB device. Select a read function and
enter the necessary parameters to read response from the GPIB device. For details, see online help or
User’s Guide.
The followings are the GPIB Control functions.
•Group Execution Trigger: Sends a trigger to the specified GPIB device.
•Device Clear: Sends a device clear to the specified GPIB device.
•Go To Local: Returns the specified GPIB device to the local state.
•Local LockOut: Locks the specified GPIB device.
Note: Before starting, enable System Controller. See Module 12. Also establish the GPIB
connection with the external GPIB devices.