15.2.4 Cyclic Data Write (from Master to pump)
Cyclic Data Write (from Master to pump)
16 bit
Byte 1 (low), 2 (high)
Control Word
16 bit
Byte 3 (low), 4 (high)
Pumphead Speed Setpoint (unsigned)
16 bit
Byte 5 (low), 6 (high)
Set Flow Calibration in μl per revolution
Control Word
Bit
Description
0
Motor running (1= Running)
1
Direction (0= CW, 1= CCW)
2
Motor revolution counter reset (1=Reset count)
3
Reserved
4
Enable User Parameter Min/Max Speeds (1= Enabled)
5
Enable Fieldbus master to set Flow Calibration (1= Enabled)
6
Not used
7
Fluid Level Reset
8-15
Reserved
15.2.5 Pumphead Speed Setpoint
Speed setpoint is 16-bit unsigned integer value representing speed of pump head in 1/10th of RPM.
For example, 1205 is 120.5 RPM.
15.2.6 Set Flow Calibration
This parameter is used to set flow calibration value from fieldbus interface.
Value is 16-bit unsigned integer representing μl per revolution of pumphead.
NOTE50
Value is only used if bit 5 of Control Word is enabled.
15 INSTALLATION: PART 6 (SETTING UP THE PUMP (CONTROL SETTINGS))
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