Pumphead Speed
The pumphead speed is a 16-bit unsigned integer value that represents the speed of the
pump head in 1/10th of RPM. For example 1205 represents 120.5 RPM.
Hours Run
The hours run parameter is a 16 bit unsigned integer and will represent whole hours of
runtime.
No of full motor revolutions
This counts down from FF for each complete motor revolution. Reset this counter to FF by
using bit 2 of the control word. The motor relates to the motor inside the pump before the
gearbox ratio. The number of pumphead revolutions can be obtained by dividing the
number of motor revolutions by the gearbox ratio of 29.55.
BYTE
HEX TO DECIMAL
10
9
10
9
A
FF
FF
65536
B
FF
C4
65476
MOTOR FULL
REVOLUTIONS
A Minus B
59
A = Start of Dose
B = End of Dose
PUMPHEAD REVOLUTIONS
MOTOR REVS
GEARBOX RATIO
59
29.55
Divide
1.996 RPM
Read Flow Calibration
The value is a 16 bit unsigned integer representing μl per revolution.
17.6
Device-related diagnostic data
8 bit
Byte 1
Header Byte
16 bit
Byte 2, 3
Reserved
16 bit
Byte 4, 5
Reserved
16 bit
Byte 6, 7
Min Speed (unsigned)
16 bit
Byte 8, 9
Max Speed (unsigned)
32 bit
Byte 10, 11, 12, 13
Software Version Main CPU
32 bit
Byte 14, 15, 16, 17
Software Version HMI CPU
32 bit
Byte 18, 19, 20, 21
Software Version Flash
32 bit
Byte 22, 23, 24, 25
Software version PROFIBUS CPU
17.7
Channel-related diagnostic data
Channel-related diagnostic blocks are always three bytes long in the following format:
m-qdos-en-02
62
