1 changing the gpib address, Table 3-2. ieee 488 (gpib) bus interface functions, Changing the gpib address -18 – KEPCO KLP Series (older -1200 models) Operator Manual User Manual
Page 58: Ieee 488 (gpib) bus interface functions -18, Ieee 488 (gpib) bus command mode messages -18, Ble 3-2 defines
3-18
KLP073008
tener). Tables 3-3 and 3-4 define the messages sent to the KLP, or received by the KLP, via the
IEEE 488 bus in IEEE 488 command mode and IEEE 488 data mode, respectively. These mes-
sages are enabled during the “handshake” cycle, with the KLP power supply operating as either
a Talker or a Listener.
3.5.1
CHANGING THE GPIB ADDRESS
See PAR. 3.2.8.
TABLE 3-2. IEEE 488 (GPIB) BUS INTERFACE FUNCTIONS
FUNCTION
SUBSET
SYMBOL
COMMENTS
Source Handshake
SH1
Complete Capability (Interface can receive multiline messages)
Acceptor Handshake
AH1
Complete Capability (Interface can receive multiline messages)
Talker
T6
Basic talker, serial poll, unaddress if MLA (My Listen Address) (one-byte address)
Listener
L4
Basic listener, unaddress if MTA (My Talk Address) (one-byte address).
Service Request
SR1
Complete Capability. The interface sets the SRQ line true if there is an enabled service
request condition.
Remote/Local
RL1
Complete capability. Interface selects either local or remote information. In local mode
the KLP executes front panel commands, but can be set to remote mode via IEEE 488
bus. When in Remote mode all front panel keys are disabled except LOCAL. LOCAL key
can be disabled using keypad lockout command (see Appendix B, PAR. B.81) so that
only the controller or a power on condition can restore Local mode.
Parallel Poll
PP0
No Capability
Device Clear
DC1
Complete Capability. KLP accepts DCL (Device Clear) and SDC (Selected Device Clear).
Device Trigger
DT1
Respond to *TRG and
Controller
C0
No Capability
TABLE 3-3. IEEE 488 (GPIB) BUS COMMAND MODE MESSAGES
MNEMONIC
MESSAGE
DESCRIPTION
COMMENTS
DCL
Device Clear
Received
GET
Group Execute Trigger
Received
GTL
Go To Local
Received
IFC
Interface Clear
Received
LLO
Local Lockout
Received
MLA
My Listen Address
Received
MTA
My Talk Address
Received
OTA
Other Talk Address
Received (Not Used)
RFD
Ready for Data
Received or Sent
SDC
Selected Device Clear
Received
SPD
Serial Poll Disable
Received