Keithley DAS-1800HC Series, User Manual

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Implementation Notes C-7
1
All subsystems allow the MESSAGE operation and the Analog I/O subsystems allows the CONVERT operation
which are not shown in the table.
2
The DAS-1800AO does not support single value transfers in Interrupt mode; therefore null Start and
null Stop Events are not valid.
Table C-2. Allowed Operations and Events for Supported Subsystem Modes
Subsystem
Operation
1
Events
Mode Timing Start Stop
Analog Input
Polled Start rate, dig, null cmd, dig, null null, TC, dig
Interrupt Start, Stop, Status rate, dig cmd, dig cmd, TC, dig
DMA Start, Stop, Status rate, dig cmd, dig cmd, TC, dig
Other Initialize
Analog Output
Polled Start null null null
Polled (1800AO) Start rate, dig, null cmd, dig, null null, TC, dig
Interrupt
2 Start, Stop, Status rate, dig cmd, dig, null cmd, TC, dig,
null
DMA (1800AO) Start, Stop, Status rate, dig cmd, dig cmd, TC, dig
Other Initialize
Digital Input
Polled Start null null null
Interrupt Start, Stop, Status rate cmd, dig cmd, TC, dig
Other Initialize
Digital Output
Polled Start, Stop, Status rate cmd, dig cmd, TC, dig
Interrupt Start, Stop, Status rate cmd, dig cmd, TC, dig
Other Initialize
Counter/Timer
Other Initialize
Device
Other Initialize, Configure,
Capabilities,
Request, Release
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