Rockwell Automation Allen-Bradley LiquiFlo 2.0, Руководство пользователя

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94 Rockwell Automation Publication D2-3518-4 - January 2020
Chapter 9 Parameter Descriptions
Sets the response time of slip compensation.
Parameters in the Slip Comp Group (121...123) are used to enable and tune the
slip compensation regulator. To allow the slip compensation regulator to control
drive operation, Speed Mode (80) must be set to 1 (Slip Comp).
Displays the present amount of adjustment being applied as slip compensation.
Selects specific features of the PI regulator.
Figure 40 - PI Configuration (124)
Bit 0 – Excl Mode (Exclusive Mode)
• Enabled = Selects speed regulation.
• Disabled = Selects trim regulation.
Bit 1 – Invert Error
• Enables/disables the option to invert the sign of the PI error signal.
Enabling this feature creates a decrease in output for an increasing error
and an increase in output for a decreasing error.
Bit 2 – Preload Mode
• Enabled = Initializes the PI integrator to the commanded speed while the
PI is disabled.
• Disabled = The PI integrator is loaded with the PI Pre-load (133) while
the PI is disabled.
123 Slip RPM Meter
Range: -/+300.0 RPM
Default: Read Only
Access: 1 Path: Speed Command > Slip Comp
See also: 80, 121, 122
124 PI Configuration
Range: See Figure 40
Default: See Figure 40
Access: 1 Path: Speed Command > Process PI
See also: 125...138
0 0 0 0 0 0 0 0 x x x x x x x x
0 0 1 1 2 3 4 5 6 7 8 9 11 12 13 14 15
1 =Enabled
0=Disabled
x =Reserved
Bit #
Factory Default Bit Values
Excl Mode Inv
ert Error
Preload Mode Ramp Ref Zero Clamp Feedbak Sqr
t
Stop Mode Anti-Windup
Nibble 1 Nibble 2 Nibble 3 Nibble 4