Publication 5390-001 Revision B
18
Harvard Apparatus Model 33 Twin Syringe Pump User's Manual
Pump Chain Commands
DIA [{A|B}] [<float>]
Request to set or query syringe diameter settings.
Set syringe 1 diameter:
DIA diameter
DIA A diameter
Set syringe 2 diameter (only valid in proportional mode):
DIA B diameter
Corresponding syringe’s rate will be zeroed.
Diameter is of the format:
f f f f f f
Units are millimeters.
Diameter 2 is only accepted when mode is proportional. If diameter is accepted and
valid, diameter will become the new diameter. Diameter will not
be accepted if the
pump is running and a “Not Applicable” error is returned. If the diameter is invalid, an
“Out Of Range” error is returned.
Query syringe 1 diameter:
DIA
DIA A
Query syringe 2 diameter (only valid in proportional mode)
DIA B
Response is of the following format:
f f f f f f
Units are millimeters.
MOD [{AUT|PRO|CON}]
Request to set or query pumping mode
SET: Command Meaning
MOD AUT Puts pump in Auto Stop mode
MOD PRO Puts pump in Proportional mode
MOD CON Puts pump in Continuous mode
If pump is running,command will not be accepted and a “Not Applicable”error is returned.
Query:
MOD
Possible Responses Meaning
AUTAuto Stop mode
PRO Proportional mode
CON Continuous mode
DIR [{INF|REF|REV}]
Request to set or query pumping direction of syringe 1.
SET: Command Meaning
DIR INF Sets syringe 1 pumping direction to infusion
DIR REF Sets syringe 1 pumping direction to refill
DIR REV Reverses pumping direction of syringe 1
Direction of syringe 2 is set appropriately.
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