Control word
Bit
Description
0
Motor running (1 = running)
1
Direction (0 = CW, 1 = CCW)
2
Tacho reset (1 = reset count)
3
Reserved
4
Enable fieldbus min/max speeds (1 = enabled)
5
Enable fieldbus flow calibration (1 = enabled)
6-15
Reserved
Cyclic data read (from pump to master)
16 bit
Byte 1,
Status word (high byte)
Byte 2
Status word (low byte)
16 bit
Byte 3
Pumphead speed setpoint (unsigned) (high byte)
Byte 4
Pumphead speed setpoint (unsigned) (low byte)
16 bit
Byte 5
Hours run (high byte)
Byte 6
Hours run (low byte)
32 bit
Byte 7
Tacho counter (high byte)
Byte 8
Tacho counter (low byte)
Byte 9
Tacho counter (high byte)
Byte 10
Tacho counter (low byte)
16 bit
Byte 11
Pump outputs flow calibration in deci μl (For example: A value of 4
indicates 40μl) (high byte)
Byte 12
Pump outputs flow calibration in deci μl (For example: A value of 4
indicates 40μl) (low byte)
32 bit
Byte 13, 14,
15, 16
Unassigned
32 bit
Byte 17, 18,
19, 20
Unassigned
32 bit
Byte 21, 22,
23, 24
Unassigned
32 bit
Byte 25, 26,
27, 28
Unassigned
m-730bpn-en-08.1
25
