Instruction Manual

3-16 BHK-MG (OPR) 022014
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 BHK-MG 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.84) so that only the controller
or a power on condition can restore Local mode.
Parallel Poll PP0 No Capability
Device Clear DC1
Complete Capability. BHK-MG accepts DCL (Device Clear) and SDC
(Selected Device Clear).
Device Trigger DT1 Respond to *TRG and <GET> trigger functions.
Controller C0 No Capability
TABLE 3-7. 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
SPE Serial Poll Enable Received
SRQ Service Request Sent
UNL Unlisten Received
UNT Untalk Received
TABLE 3-6. IEEE 488 (GPIB) BUS INTERFACE FUNCTIONS (CONTINUED)
FUNCTION
SUBSET
SYMBOL
COMMENTS