C-1
C.1
Introduction
The interface function codes define the Model 6512’s ability
to support various IEEE-488 interface functions and should
not be confused with programming commands found else-
where in this manual. The interface function codes for the
Model 6512 are listed in Table C-1. These codes are also list-
ed for convenience on the rear panel adjacent to the IEEE-
488 connector.
Table C-1
Model 6512 interface function codes
Code
Interface function
SH1
AH1
T5
L4
SR1
RL1
PP0
DC1
DT1
C0
E1
TE0
LE0
Source Handshake Capability
Acceptor Handshake Capability
Talker (Basic Talker, Serial Poll, Talk-
only Mode, Unaddressed to Talk on LAG)
Listener (Basic Listener, Unaddressed to
Listen on TAG)
Service Request Capability
Remote/Local Capability
No Parallel Poll Capability
Device Clear Capability
Device Trigger Capability
No Controller Capability
Open-collector Bus Drivers
No Extended Talker Capabilities
No Extended Listener Capabilities
The codes define Model 6512 capabilities as follows:
SH (Source Handshake Function)—SH1 defines the ability
of the Model 6512 to initiate the transfer of message/data
over the data bus.
AH (Acceptor Handshake Function)—AH1 defines the abil-
ity of the Model 6512 to guarantee proper reception of mes-
sage/data transmitted over the data bus.
T (Talker Function)—The ability of the Model 6512 to send
data over the bus to other devices is provided by the T func-
tion. Model 6512 talker capabilities exist only after the in-
strument has been addressed to talk, or when it has been
placed in the talk-only mode.
L (Listener Function)—The ability for the Model 6512 to re-
ceive device- dependent data over the bus from other devices
is provided by the L function. Listener capabilities of the
Model 6512 exist only after the instrument has been ad-
dressed to listen.
SR (Service Request Function)—The SR function defines
the ability of the Model 6512 to request service from the con-
troller.
RL (Remote-Local Function)—The RL function defines the
ability of the Model 6512 to be placed in the remote or local
modes.
PP (Parallel Poll Function)—The Model 6512 does not have
parallel polling capabilities.
C
Interface Function Codes
Summary of Contents for 6512
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