Appendix A
A-2
SkanWasher 400 User Guide
Table A-1: Character Commands Recognized
Command
Sent from
Host
Description
Reply from
SkanWasher
400
“G”/“g”
47h/67h
Start—This performs the same function as
pressing the Start key on the control panel. The
SkanWasher 400 begins washing the micro-
plate using the currently selected wash pro-
gram.
If sensor check is enabled, air pressure, waste
level, and whether or not a microplate is
present will be verified prior to initiating the
wash.
Start command accepted
→
Reply “G”
Not accepted due to sensor alarm
→
Reply “E”
When wash sequence finished
→
Reply “!”
“G” - 47h
“E” - 45h
“!” - 21h
“S”/“s”
57h/73h
Stop—interrupt the current action of the Skan-
Washer. This command performs the same
function as pressing the Stop key on the control
panel. The Stop command must be sent twice:
1. Stop
→
Interrupt operation
→
Reply “S”
2. Stop
→
Return to Ready mode
→
Reply “!”
“S” - 53h
“!” - 21h
“!” - 21h
Attention—The SkanWasher does not perform
an action but sends a reply that it has received a
command and is responding.
Reply “!”
“!” - 21h
“1” - 31h
“2” - 32h
------
“8” - 38h
Select wash program. The wash program is
chosen by the controls on the SkanWasher 400.
Only defined wash programs can be selected.
Select program accepted
→
Reply “n” where
“n” is the program selected.
Select program not defined
→
Reply “#”
“n” - 3nh
n: selected
program
# - 23h
Other
Commands
Command not accepted by the SkanWasher
400:
Reply
→
“?”
“?” - 3Fh