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Safety
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information
9.20.6
0x6048 vl_velocity_acceleration
This object is used to configure the delta speed and delta time of the
slope of the acceleration ramp.
Example: To ramp to 1000 rpm in 5s, possible values for delta speed
and delta time are 10000 and 50 respectively.
vl_velocity_acceleration = delta speed / delta time
Table 9-85 0x6048 vl_velocity_acceleration
0x6048
vl_velocity_acceleration
Sub-index 0
Access: RO
Range: N/A
Default:
2
Description: The number of sub-indices in this object.
Sub-index 1
Range: 0 to
Access: RW
0xFFFFFFFF
Default:
1000
The value of delta speed is given in rpm if the
Description:
vl_dimension_factor and the vl_setpoint_factor have the
value 1, otherwise the value is in user units.
Sub-index 2
Range: 0 to
Access: RW
65535
Default:
2
Description: The value of delta time is given in seconds.
9.20.7
0x6049 vl_velocity_deceleration
This object is used to configure the delta speed and delta time of the
slope of the deceleration ramp.
Example: To decelerate by 800 rpm in 10s, possible values for delta
speed and delta time are 8000 and 100 respectively.
vl_velocity_deceleration = delta speed / delta time
Table 9-86 0x6049 vl_velocity_deceleration
0x6049
vl_velocity_deceleration
Sub-index 0
Access: RO
Range: N/A
Default:
2
Description: The number of sub-indices in this object.
Sub-index 1
Range: 0 to
Access: RW
0xFFFFFFFF
Default:
1000
The value of delta speed is given in rpm if the
Description:
vl_dimension_factor and the vl_setpoint_factor have the
value 1, otherwise the value is in user units.
Sub-index 2
Range: 0 to
Access: RW
65535
Default:
2
Description: The value of delta time is given in seconds.
9.20.8
0x604A vl_velocity_quick_stop
This object is used to configure the delta speed and delta time of the
slope of the deceleration ramp for quick stop.
Example: To decelerate by 800 rpm in 10 s, possible values for delta
speed and delta time are 8000 and 100 respectively.
vl velocity deceleration = delta speed / delta time
Digitax ST User Guide
Issue: 5
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Getting
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started
parameters
Size:
Unit: N/A
Unsigned 8
Size:
Unit: rpm
Unsigned 32
Size:
Unit: s
Unsigned 16
Size:
Unit: N/A
Unsigned 8
Size:
Unit: rpm
Unsigned 32
Size:
Unit: s
Unsigned 16
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Table 9-87 0x604A vl_velocity_quick_stop
0x604A
vl_velocity_quick_stop
Sub-index 0
Access: RO
Default:
2
Description: The number of sub-indices in this object.
Sub-index 1
Access: RW
Default:
1000
The value of delta speed is given in rpm if the
Description:
vl_dimension_factor and the vl_setpoint_factor have the
value 1, otherwise the value is in user units.
Sub-index 2
Access: RW
Default:
2
Description: The value of delta time is given in seconds.
9.20.9
0x604B vl_setpoint_factor
This object is used to configure the numerator and denominator of the
vl_setpoint_factor. The vl_setpoint_factor modifies the resolution or
directing range of the specified setpoint. It does not influence the velocity
limit function and the ramp function. A value of 0 must not be used.
Table 9-88 0x604B vl_setpoint_factor
0x604B
vl_setpoint_factor
Sub-index 0
Access: RO
Default:
2
Description: The number of sub-indices in this object.
Sub-index 1
Access: RW
Default:
1
Description: vl_setpoint_factor numerator (a value of 0 is not valid).
Sub-index 2
Access: RW
Default:
1
Description: vl_setpoint_factor denominator (a value of 0 is not valid).
9.20.10
0x604C vl_dimension_factor
This object is used to configure the numerator and denominator of the
vl_dimension_factor. The vl_dimension_factor is used to scale the user
units so that they can be used in a way that relates to the specific
application.
Calculating the vl_dimension_factor:
Every user-specific velocity consists of a specific unit referred to as a
specific unit of time (e.g. 1/s, bottles/min, m/s,...). The purpose of the
vl_dimension_factor is to convert this specific unit to the revolutions/
minute unit. A value of 0 must not be used.
Velocity [user-defined unit] / Dimension factor [rpm/user-defined unit] =
Velocity [rpm]
Onboard
Advanced
Technical
PLC
parameters
Data
Size:
Range: N/A
Unsigned 8
Range: 0 to
Size:
0xFFFFFFFF
Unsigned 32
Range: 0 to
Size:
65535
Unsigned 16
Size:
Range: N/A
Unsigned 8
Range: -32768
Size: Signed 16 Unit: N/A
to +32767
Range: -32768
Size: Signed 16 Unit: N/A
to +32767
UL listing
Diagnostics
information
Unit: N/A
Unit: rpm
Unit: s
Unit: N/A
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