17
Technical Information
Letter Protocol Description
BYTES
13
14÷17
18÷19
20
21
22
*The values for current and voltage are given as numbers, scaled
from 0 to 255, where 0 corresponds to 0 V and 255 to the full
scale voltage (130 V) or current (2,5 A).
When the Request is "G", the Answer will contain a string of 11
characters with the following parameters:
Tab. 9
BYTES
1-2
3
4-7
8
9
10
11
When the configuration parameters have to be changed, send a
Request string with "H" characters of the following type:
"H" + .... data .... + CRC
234/300
MEANING
Voltage*
Frequency
Cycle #
R1 Status
R2 Status
CRC
MEANING
Pump cycles number (integer coded in 2 bytes)
Speed threshold
Run up time in seconds (long coded in 4 bytes)
Deat time (0 = NO 1 = YES)
Reserved
Soft Start mode (0 = NO 1=YES)
CRC
TwisTorr 74 FS AG Rack Controller User Manual / 87-901-055-01