6243/44 DC Voltage Current Source/Monitor Operation Manual
5.2.3 GPIB Interface Functions
5-7
5.2.3 GPIB Interface Functions
5.2.4 Responses to Interface Messages
The responses of the 6243/44 to the interface messages described in the following are defined by the IEEE
standard 488-1978.
For how to send interface messages to the 6243/44, refer to the instruction manual for the controller.
(1) Interface Clear (IFC)
This message is sent directly to the 6243/44 through the signal line.
The 6243/44 stops the operations of the GPIB bus by this message. All inputs and outputs are stopped,
but the I/O buffer is not cleared. (This is cleared by the DCL message.)
(2) Remote Enable (REN)
This message is sent directly to the 6243/44 through the signal line. When this message is true, the
6243/44 is specified as a listener and is put in the remote status. This status continues until GTL is
received, REN becomes false, or the LOCAL button is pressed. When set in the local status, the 6243/
44 ignores all the received data.
In the remote status, all the button inputs are ignored except for the LOCAL button. In the local-lock-
out status, all the button inputs are ignored.
Code Description
SH1 With the Source Handshake function.
AH1 With the Acceptor Handshake function.
T5 With the Basic Talker function, Serial Poll function, Talker Clear function specified by
the listener, and Talk Only Mode function.
L4 With the Basic Listener function and Listener Clear Function specified by the talker.
SR1 With the Service Request function.
RL1 With the Remote function, Local function, Local Lock Out function.
PP0 Without the Parallel Poll function.
DC1 With the Device Clear function. (The SDC and DCL commands can be used.)
DT1 With the Device Trigger function. (The GET command can be used.)
C0 Without the Controller function.
E2 The three state bus driver can be used.
To Next Page
Loading...
Need help?
General
