Digital I/O Commands; Internal Commands - KD Scientific KDS LEGATO 100 User Manual

Digital I/O commands

INPUT
Reads and displays the trigger input port status.
Command format:
input
Query response:
<lf>[##:]Low.<cr>
<lf>[##]<prompt>
or:
<lf>[##:]High.<cr>
<lf>[##]<prompt>
OUTPUT
Sets the level on one of the output ports.
Command format:
output {1} {high|low}
SYNC
Sets the level on the sync port.
Command format:
sync {high|low}
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Operating the KDS Legato 100 Series

Internal commands

STATUS
Displays the raw status for use with a controlling computer.
Command format:
status
The output is in three integer fields and one flag field,
all separated by spaces and terminated by a carriage
return / linefeed pair. The first integer is the current
rate in femtoliters per second. The second integer is the
infuse time in milliseconds. The time has a granularity of
1 millisecond. The third integer is the infused volume in
femtoliters. All three values are for the current direction.
The flag field consists of six flags.
• Flag one is the motor direction and will be "i or I"
• Flag two is the limit switch status. If the infuse limit
• Flag three is the stall status and will be "S" if the
• Flag four is the trigger input state and will be "T"
• Flag five is the direction port state and will be "I"
• Flag six is the target reached status. It will be "T"
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if the pump is infusing and "w or W" if the pump is
withdrawing. If the letter is lower case, the pump
motor is idle. If upper case, the pump motor is
running.
switch was hit, "i or I" is displayed. If the withdraw
limit switch was hit, "w or W" is displayed. If no
limit switch was hit or the pump does not have limit
switches, "." Is displayed.
pump has stalled. Otherwise it will be ".".
if high and "." if low.
for infuse and "W" for withdraw.
if the target time or volume was reached and "."
if not.
KD Scientific Legato 100 Series Syringe Pump User's Manual
57
Publication 5617-006-REV-2.0