General Purpose I/O
MultiFlex PCI 1000 Series User's Manual
167
All Digital I/O signals can be accessed via the connectors on the available interconnection boards.
i
Upon completion of General Purpose Digital I/O re-configuration, selecting OK
will cause the updated configuration to be written into the Windows registry.
Configuring and Exercising the Digital I/O
The configuration of the digital I/O is accomplished using either PMC’s Motion Integrator software or the
Motion Control API function
MCConfigureDigitalIO( )
. The screen shot that follows shows the Motion
Integrator Digital I/O test panel. This tool can be used to configure and exercise each digital I/O channel.
Comprehensive on-line help is available from the Help menu.
Figure 52. Digital I/O Test Panel
The Digital I/O Test Panel groups the 64 digital I/O channels into 4 banks of 16:
TTL inputs (channels 1 - 16) =
Standard I/O
tab
Optically isolated inputs (channels 17 - 32) =
Module 1
tab
TTL outputs (channels 33 - 48) =
Module 2
tab
Open collector driver outputs (channels 49 - 64) =
Module 3
tab
Each channel is individually programmable as either:
High
true/Positive
logic (MC_DIO_HIGH)
Low
true/Negative
logic (MC_DIO_LOW)
For each digital I/O channel, the Test LED indicates the current state of the channel.
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