Cyclic data write (from master to pump)
16 bit
Byte 5
Set flow calibration in µl per revolution (high byte)
Byte 6
Set flow calibration in µl per revolution (low byte)
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
28
m-630bpn-en-08
