PGEARO Parameter (S300-S700)
| 14 Aug 2014
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PGEARO Parameter (S300-S700)
| ASCII - Command |
PGEARO |
|
|
| Syntax Transmit |
PGEARO [Data] |
|
|
| Syntax Receive |
PGEARO <Data> |
|
Available in |
|
| Type |
Variable rw |
|
MMI |
Yes |
| ASCII Format |
Integer32 |
|
CANBus Object Number |
35CB (hex) |
| DIM |
µm |
|
PROFIBUS PNU |
1803 (dec) IND = 1 (dec) |
| Range |
long int |
|
DPR |
203 (dec) |
| Default |
1048576 |
|
|
| Opmode |
All |
|
Data Type Bus/DPR |
Integer32 |
| Drive State |
- |
|
Weighting |
|
| Start Firmware |
1.0 |
|
|
| Configuration |
No |
|
Last Change of this Object |
2.6 |
| Function Group |
position loop |
|
EEPROM |
Yes |
| Short Description |
Position Resolution (Denominator) |
Description
|
Description:
The parameter PGEARO is used in conjunction with the PGEARI parameter to convert the control loop position and speed from user-defined units into internal increments.
The PGEARO parameter contains in combination with PRBASE the number of increments that are moved if the path to be moved has a length of PGEARI.
The conversion is made according to the following formula:
Position[increments] = Position[user-defined unit] * PGEARO *2^PRBASE / PGEARI
Velocity[increments/250us] = Velocity[user-defined unit] * PGEARO *2^PRBASE / (PGEARI * 4000)
Note: If PGEARI = PGEARO * 2^PRBASE, then there will be no conversion from user-defined units into increments. In this case, the position and velocity must be given in increments.
The maximum of PGEARO pepends on PRBASE and is calculated by 2^(31-PRBASE)
Position: 1 turn = 2^PRBASE increments
Velocity: speed [rpm] * 2^PRBASE / (4000 *60)
For an example: see PGEARI and PRBASE
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