Agilent Technologies TwisTorr 74FS AG Rack Mode D'emploi page 233

CHARACTER
"K"
CRC
"ACK"
CRC
"NACK"
CRC
Answer = after a request from the host, the Controller will
answer in one of the following ways:
ACK

NACK

Message

When the Request is "A, "B", "C", "D", "F" the Controller will
Answer the ACK or NACK.
When the Request is "E, the Answer will contain the complete
set of the following parameters:
Tab. 8
BYTES
2÷5
6÷9
10÷11
12
TwisTorr 74FS AG Rack Controller User Manual / 87-901-055-01
ASCII
4Bh
-
06h
-
15h
-
MEANING
1
MSB LSB
- - X X X
0 = STOP
1 = WAITING INTERLOCK
2 = STARTING
3 = NORMAL OPERATION
4, 5 = HIGH LOAD
6 = FAILURE
7 = APPROACHING LOW SPEED
Cycle Time
Pump Life
Pump Temperature
Current*
Technical Information
Letter Protocol Description
CONVERTED ASCII FOR CRC CALCULATION
-
B5h
-
FAh
-
EBh
17
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