Connectors, I/O and Schematics
Precision MicroControl Corp.
196
TTL Digital Outputs
signal type
:
TTL (buffered by 74LS541)
Active level = programmable, default = TTL high
TTL low level current sink max. = 24 mA
TTL high level current source max. = 15 mA
TTL high level output min. voltage = 2.4V
TTL high level output max. voltage = 5.0V
TTL low level output min. voltage = 0.0V
TTL low level output max. voltage = 0.5V
notes
:
Dual purpose, channels 1 and 9 can also be used for indicating when a position compare
event has occurred on axes 1 - 8
explanation
:
Two 74LS541 octal buffers are used to provide 16 TTL level digital outputs that allow the
user to control external devices. For additional information please refer to the
General
Purpose I/O chapter
.
Analog Inputs (optional)
signal type:
Analog input range: -10.0V to +10.0V (default) or 0.0V to +4.0V (special order)
A/D
resolution
=
14
bit
Nominal read rates:
From a Windows program = ~200 usec's
From on-board MCCL routine = ~42 usec's
notes:
Reported value = 0 to 65536 corresponding to the available input range
explanation:
Eight (8) 14 bit analog inputs that allow the user to monitor external events. For additional
information please refer to the General Purpose I/O chapter.
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