Agilent Technologies TwisTorr 74FS AG Rack Bedienungshandbuch Seite 236

17 Technical Information
Letter Protocol Description
When the Request is "J" (Numerical readings), the Answer will
contain a string of 5 characters with the following parameters:
Tab. 12
BYTES
1
2
3
4
5
When the Request is "K" (Counters readings), the Answer will
contain a string of 11 characters with the following parameters:
Tab. 13
BYTES
1-4
5-8
9-10
11
On request a sample program in QBasic language is available by
Agilent.
236/300
MEANING
Current (0-255 scaled)
Voltage (0-255 scaled)
Rotational speed KRPM
Pump temperature °C (0-254 temperature reading, 255 =
fail)
CRC
MEANING
Cycle time
Pump life
Cycle number
CRC
TwisTorr 74 FS AG Rack Controller User Manual / 87-901-055-01