General Information
Chapter Seven: IEEE-488 Communications Option
104
IEEE-488 Device Compliance
Refer to Table 27 for a description of the IEEE-488 device compliant functions.
IEEE-488 Device Compliance
Function
Command
Compatibility
Source Handshake
SH1
Complete
Acceptor Handshake
AH1
Complete
Talker
T6
Talker, serial poll and unaddress if my-listener-
address (MLA)
Listener
L4
Listener and unaddress if my-talker-address (MTA)
Service Request
SR1
Can request (asynchronously) service from controller
Remote Local
RL0
No capability for lockout
Parallel Poll
PP0
No capability to send message without being
addressed to talk
Device Clear
DC1
Complete
Device Trigger
DT0
No Capability
Controller
C0
Does not have the capability to send commands or
addresses to other devices
Talker
TE0
Talker function with address extension not available
Listener
LE0
Listener function with address extension not
available
Electrical Interface
E1
Open collector
All the functions listed in this table are bus functions
Table 27: IEEE-488 Device Compliance
Buffer Length
The buffer length is fixed at 256 characters.
Address
Every device on the IEEE-488 bus must have an address assigned to it. To set the address of 670
instrument, scroll to the IEEE-488 configuration screen, under the [
SETUP
] key menu. The
address entry ranges from 1 to 30. The 670 instrument is initially configured with the address set
to 8.
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