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%
then press
for power-up (see PAR. 3.5.6.2.3 for a description of prompt mode).
Enable - Enables Serial Prompt (see PAR. 3.5.6.2.3 for a description of prompt mode).
Disable - Disables Prompt. If both Serial XON/XOFF and Prompt functions are disabled, Echo
mode is the default (see PAR. 3.5.6.2.2 for a description of Xon/Xoff mode).
Enab+echo - Enables Serial Prompt (see PAR. 3.5.6.2.3) and Echo (see PAR. 3.5.6.2.2)
modes. Prompt is returned when the unit is ready and any received characters are echoed back
to the sender.
3.5.3.3
ESTABLISH COMMUNICATION LANGUAGE
Communication via GPIB port can be executed using either SCPI or CIIL protocols. From the
power-up screen press
menu (see Table 3-16). To change the setting, highlight Data Format, press
or CIIL and press
and exit, or press
3.5.3.4
BIT 4882 COMPATIBILITY.
To replace a standard BOP/BIT 4882 card combination with a BOP with minimal reconfiguration
of existing test setups, send SYSTem:SET 4882 followed by MEMory:UPDate INTERFACE.
3.5.3.5
BIT 4886 COMPATIBILITY
To replace a standard BOP/BIT 4886 card combination with a BOP High Power with minimal
reconfiguration of existing test setups, send SYSTem:SET 4885.
3.5.4
IEEE 488 (GPIB) BUS PROTOCOL
Table 3-18 defines the interface capabilities of the BOP power supply (Talker/Listener) relative
to the IEEE 488 (GPIB) bus (reference document ANSI/IEEE Std 488: IEEE Standard Digital Inter-
face for Programmable Instrumentation) communicating with a Host Computer—Controller
(Talker/Listener). Tables 3-19 and 3-20 define the messages sent by the BOP, or received by the
BOP, via the IEEE 488 bus in IEEE 488 command mode and IEEE 488 data mode, respectively.
These messages are enabled during the "handshake" cycle, with the BOP power supply operat-
ing as either a Talker or a Listener. (See PAR. 3.5.3.1 to change the GPIB address.
TABLE 3-18. IEEE 488 (GPIB) BUS INTERFACE FUNCTIONS
FUNCTION
Source Handshake
Acceptor Handshake
Talker
Listener
Service Request
Remote/Local
Parallel Poll
3-46
to apply the changes (without saving for power-up) and exit, or press
%
, highlight Interface Settings and press
$
to save, then press
$
to save for power-up.
SUBSET
SYMBOL
SH1
Complete Capability (Interface can receive multiline messages)
AH1
Complete Capability (Interface can receive multiline messages)
T6
Basic talker, serial poll, unaddress if MLA (My Listen Address) (one-byte address)
L4
Basic listener, unaddress if MTA (My Talk Address) (one-byte address).
Complete Capability. The interface sets the SRQ line true if there is an enabled ser-
SR1
vice request condition.
Complete capability. Interface selects either local or remote information. In local
mode the BOP 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
RL1
LOCAL function key. LOCAL function key can be disabled using keypad lockout
command (see Appendix B, PAR. B.133) so that only the controller or a power on
condition can restore Local mode.
PP0
No Capability
%
to apply the changes (without saving for power-up)
COMMENTS
$
to save
!
to enter the Interface
!
, highlight SCPI
BOP HIPWR 080709
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