3 - Software Communication
Using the XLP 6000 Command Set
Cavro® XLP 6000 Modular Syringe Pump Operating Manual, 734237-C, en
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Command Syntax and Notes
The syntax for each command in the command set is:
Note:
•
Multiple values of <n> in a single command must be separated by commas
•
Square brackets, [ ], are used to distinguish commands and should not be
sent as part of the command strings.
•
Commands are case-sensitive.
•
Response time from the transmission of the checksum byte to transmission
of the start character is less than 5 msec.
3.3.2
Pump Configuration Commands
XLP 6000 pumps are preconfigured at the factory to the default settings. The
firmware, however, allows the user to configure the pump to meet his or her
specific requirements. Configuration options available to the user include
resolution, backlash, valve type, and baud rate.
N <n>
Set Microstep Mode Off/On
The [N] command enables or disables microstepping (fine positioning). The
syntax for this command is:
[N<n>]
where <n> = 0 or 1 (0 is the default)
<n>
Numerical value within a given range
0..6000
Range of numerical values allowed
(n)
Default value
Value of <n>
Description
0
Normal mode:
All positions set and reported in half-steps; all speed
settings in half-steps/sec and all slopes in half-steps/sec
2
.
1
Fine positioning mode:
All positions set and reported in micro-steps;
all speed settings in half-steps/sec and all slopes in half-steps/sec
2
.
Maximum cutoff frequency limited to 750 half-steps/sec; maximum on-
the-fly set velocity limited to 750 half-steps/sec.
2
Micro-step mode:
All positions set and reported in micro-steps; all
speed settings in micro-steps/sec and all slopes in micro-steps/sec
2
.
