Hex
Description
0x01
Continue driving using the last demanded speed
0x02
Continue driving using the fail safe speed
0x03 - 0x07
Reserved
Fail Safe Speed
The fail-safe speed parameter is used to set the speed at which the pump should be driven
if a PROFIBUS communications error occurs and if the fail-safe user parameter is set to
0x02.
20.5
PROFIBUS data exchange
The data in this section is provided as reference material for a PROFIBUS network operator.
Operating this pump under PROFIBUS control is beyond the scope of this instruction
manual. Consult your PROFIBUS network literature for further information.
Table 23 - PROFIBUS data exchange
Default address
126
PROFIBUS Ident
0x0E7D
GSD File:
WAMA0E7D.GSD
Config:
0x62, 0x5D (3 words out, 14 words in)
User parameter bytes:
6
Cyclic Data Write (from Master to pump)
Table 24 - 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
Table 25 - 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
m-qdos-allmodels-en-07
75
