17
17
Operating Instructions
(Continued)
RS232 COMMANDS (continued)
Prompts
>
running in infusion direction
<
withdrawing
:
stopped
NA
not applicable
E
error (see error? command)
carriage return <CR>
All pumps chain interpret this as a stop command
pump address<CR>
Pump with the specified address responds with a prompt
pump address (optional),
Pump at the address executes the command and then
command<CR>
responds with a prompt.
Note:
If there are multiple pumps in the daisy chain and a pump address is not used
then all pumps will respond to the non-specific command and return prompts. Multiple
prompts results in a communications breakdown.
Pump commands and responses
Note that mode selection and withdrawal and continuous mode commands are recognized
only by the infusion/withdrawal models.
run
Starts pump running to present settings, returns prompt > or < If already
running command is ignored.
stop
Stops pump if running, otherwise is ignored. Returns prompt :
dia nn.nn
Sets syringe diameter in millimeters.
n = 0 to 9
run?
Query run status, returns prompt.
del?
Queries delivered volume. (Requires a dispense volume to be set).
Response: nnnnn<SP>u
Where nnnnn is ., 0 to 9
u are units, µl or ml
dia?
Requests present diameter setting.
Response: nn.nn
Where n = 0 to 9
units always millimeters
ratei?
Queries infusion rate.
Response: nnnnn<SP>u/u
Where nnnnn is ., 0 to 9
u/u are units, µl/m, µl/h, ml/m, or ml/h
ratew?
Queries withdrawal rate.
Response: nnnnn<SP>u/u
Where nnnnn is ., 0 t o 9
u/u is rate unit
Cole-Parmer
®
Dual & Multiple Syringe Pump