Table 27 - Status Word
10
Leak detected or pumphead alert for ReNu 20 PU
11
Low Setpoint- Out of range
12
High Setpoint- Out of range
13
Fluid level alert
14
Reserved
15
Reserved
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.
Table 28 - Byte / Hex to decimal
BYTE
HEX TO DECIMAL
10
9
10
9
A
FF
FF
65536
B
FF
C4
65476
Table 29 - Motor full revolutions
A Minus B
59
Note:
A = Start of Dose / B = End of Dose.
Table 30 - 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.
m-qdos-allmodels-en-07
77
