Computer Control - WPI UltraMicroPump II Instruction Manual

Computer Control

rs232 commands are used to control the micro4 via the serial port of a Pc or
macintosh computer.
RS232 Commands
All commands are case sensitive. the settings for the rs232 port are baud rate
9600, 8 data bits, 1 start bit, 1 stop bit. microsoft Hyperterminal setting: Flow con-
trol must be set to none.
numbers and decimal points are indicated below by the "#" symbol.
RS232 Query Commands
All query commands begin with a question mark. Below is a list of the query
commands.
World Precision instruments
V######; sets the delivered volume. number must have a decimal point and
terminate with ";" (semicolon) — see page 19.
C######; sets the volume counter. number must have a decimal point and
terminate with ";" (semicolon) — see page 19.
R####; sets the delivery rate. number must have a decimal point and
terminate with ";" (semicolon) — see page 19.
I infuse mode.
W Withdraw mode.
G Go — starts the syringe pump.
H Halt — stops the syringe pump.
S sets the rate units to nanoliters/second.
M sets the rate units to nanoliters/minute.
L#; line number — sets the syringe number on display (micro4 only).
N not Grouped mode.
P Grouped mode.
D disabled mode.
Tx syringe type. the letter indicating syringe type follows the t. For
example, to select syringe type "A" the command is "tA".
?V returns the set volume.
?C returns the volume counter
?R returns the delivery rate
UltraMicroPump II
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