Command List Of The Tw Alpha Plus Titration Sample Changer - SCHOTT TW alpha plus Mode D'emploi

7 Command list of the TW alpha plus Titration Sample Changer

The TW alpha plus Titration Sample Changer features a set of commands which can be used to control it from
connected devices. These commands are generated automatically by titrators from SCHOTT Instruments and
the various titration systems. If you wish to create application programs of your own, please use the com-
mands listed below.
All commands are present in the following form: Address (2 digits) command CR LF.
The address is used to address the proper device, since it is possible that more than one device having an
addressable RS-232-C interface are connected to a computer. The addresses may be selected from 00
through 15. In the list below the addresses are indicated by the generalised "aa" form.
Command Response
aaGT Query of the set plate size
zz means any digits
aaKH Lift titration head up to upper limit switch
aaKR Lower titration head,
if no beaker glass is present:
aaKGzzz Lower titration head by the specified percentage
of the total travel (zzz = 1 to 100)
aaKUzzz Raise titration head by the specified percentage
of the total travel (zzz = 1 to 100)
aaDV Rotate plate forwards by one position
aaDR Rotate plate backwards by one position
aaDT Move plate to next titration position
(used following the "DCzz" command)
aaDPzz Move plate to the indicated position
(zz = 1 up to max plate position)
aaDCzz Rotate plate to specified position.
The initial position will be stored and serves as information
for the next titration position (-> "aaDT" command)
(zz = 1 to max. plate position)
aaPTNzz Switch plate size to size specified in zz..
Stroke height for normal beaker height.
(zz = 12; 16; 24; 48)
aaPTCzz Switch plate size to size specified in zz.
Stroke height COD glasses.
aaPO Output of current plate position
Reply from the TW alpha plus
aaPlatezz
aaERROR:KEIN BECHER
(NO BEAKER)
aaPOSITION= zz
aaY
aaY
aaY
aaY
aaY
aaY
aaY
aaY
aaY
aaY
aaY