Next Advance SP2200 - Manual (Page 17)

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SP2200Programmable Syringe
Pump
Publication #1200-02 12 04/29/10
When the Pumping Program is started, with the Operational Trigger TTL I/O input, or RS-232 “RUN”
command, the Pumping Program will begin operating from Phase 1.
Very complex dispensing Programs can be created with the Program functions available. Section 7.3 contains
a detailed description of all the functions.
7.2 Clearing the Pumping Program
It is not necessary to clear out a previous Pumping Program before entering a new program. New commands
will overwrite previous ones, and unused Program Phases will just be ignored. To clear out the pumping
program memory and reset communication parameters, send the command: *RESET
7.3 Program Function Descriptions
- Each program function must be in a separate Program Phase -
7.3.1 Rate Function
Command: "FUN RAT"
This is the most basic function to simply command the pump to dispense at a specific rate.
Defines a pumping function with a fixed pumping rate. This function defines a pumping setup consisting of the
pumping rate, optional “Volume to be Dispensed”, and pumping direction. Use the ‘RAT’, ‘VOL’, and ‘DIR’
commands to set or review the Rate Function's setup. For continuous pumping, set the “Volume to be
Dispensed” to 0.0.
7.3.2 Increment Rate Function
Command: "FUN INC"
The increment and decrement functions operate the same as the ‘RATE’ function, except that the specified rate
is added (‘INC’)or subtracted (‘DEC’) from the current pumping rate. The current pumping rate when the
function is executed is the base pumping rate for the function. If no base pumping rate exists, such as when
executing a pause function or when the Pumping Program is first started, a Program error will occur and the
Program will stop.
The pumping rate units will be the same as the base pumping rate, and therefore cannot be set, or queried, with
the pumping rate increment or decrement value. As with the ‘RATE’ function, a “Volume to be Dispensed”
and pumping direction can be specified for the increment and decrement functions.
When used within a Program loop, the pumping rate can be incremented or decremented in small step intervals.
7.3.3 Decrement Rate Function
Command: "FUN DEC"
The decrement function subtracts the specified rate from the current pumping rate. For a full description, see
section 7.3.2, Increment Rate Function
7.3.4 Stop Pumping Operation and End the Program
Command: "FUN STP"
Stops the pumping operation and stops the Pumping Program. The Pumping Program will begin at Phase 1
when started again. An implicit ‘Stop’ function is executed when the Program exceeds the maximum Phase
number during operation.
If alarms are enabled, the buzzer will beep continuously when the Pumping Program stops.