Software Communication 3-30
p <n> RELATIVE PICKUP (NOT BUSY)
This is the same as the [P] command, except that the status bit of the reply string
indicates that the pump is not busy. This is useful for on-the-fly speed changes.
D <n> RELATIVE DISPENSE
The [D] command moves the plunger upward the number of steps commanded. The new
absolute position is the previous position <n>, where <n> = 0..3000.
For example:
The syringe plunger is at position 3000. [D300] will move the plunger up 300 steps
to an absolute position of 2700.
The [D] command will return error 3 (invalid operand) if the final plunger position would
be less than 0.
d <n> RELATIVE DISPENSE (NOT BUSY)
This is the same as the [D] command, except that the status bit of the reply string
indicates that the pump is not busy. This is useful for on-the-fly speed changes.
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