Granity user guide/Fault limits - Revision history

Esa: /* Drive fault limits */

2018-11-19T07:24:46Z

‎Drive fault limits

Tero K: /* Goal deviation faults */

2018-07-09T16:28:54Z

‎Goal deviation faults

Tero K: /* Goal deviation faults */

2018-07-09T16:24:35Z

‎Goal deviation faults

Tero K: /* Goal deviation faults */

2018-07-09T16:21:48Z

‎Goal deviation faults

Tero K: /* Goal deviation faults */

2017-03-04T20:22:17Z

‎Goal deviation faults

Tero K: LSP add

2016-12-18T23:59:09Z

LSP add

Tero K: /* Drive fault limits */

2016-09-21T21:00:15Z

‎Drive fault limits

Tero K: /* Goal deviation faults */

2016-03-01T20:08:49Z

‎Goal deviation faults

Tero K: clarify LSF

2016-03-01T20:06:29Z

clarify LSF

Tero K: /* Drive fault limits */

2015-07-16T12:57:56Z

‎Drive fault limits

@@ Line 11: / Line 11: @@
 Set this as low as possible without getting OC faults in normal use to maximally protect your equipment. If larger than ''Medium'' setting is needed, see [[Over current fault troubleshooting]] for solution to the problem.
 |-
 | FOV || Over voltage fault threshold || Maximum allowed HV DC bus voltage before entering into over voltage fault. Also defines at which voltage drive starts driving [[Argon user guide/Braking resistor|braking resistor]] to reduce bus voltage.|| See [[Configuring drive voltage limits FUV and FOV]].

@@ Line 47: / Line 47: @@
 *Normally open (NO) switches, select Logic low when overtravel
 |-
-|LFO || Perform Limit switch function on || Specifies when {{param|LFS}} will activate|| If one wish to use homing function with soft travel limits to control motion range and physical limit as backup safety stopping method, then it's best to choose option "Physical limit switch only". If no physical limit switches are installed, then it's possible to apply {{param|LFS}} also on situations where motor position is moved out of soft travel limit range.
+|LFO || Perform Limit switch function on || Specifies when {{param|LFS}} will activate|| Typical use cases are:
 |}
 {{next|[[Granity user guide/Testing]]}}
 [[Category:Granity user guide]]
 [[Category:Pages needing update after FW upgrades]]

@@ Line 35: / Line 35: @@
 |LSF  || Limit switch function || Define drive action when position is out of allowed travel range (i.e. limit switch input is open). Device specific notes:
 *{{G2.0}}: the ''Dynamic braking'' option is not implemented
-*{{G2.1}} and later: LSF also works with software limits (when {{param|HHL}} and {{param|HLL}} are set and homing is successfully finished. With parameter {{param|LSO}} it's possible to control whether soft travel limits will activate the function.
+*{{G2.1}} and later: LSF also works with software limits (when {{param|HHL}} and {{param|HLL}} are set and homing is successfully finished. With parameter {{param|LFO}} it's possible to control whether soft travel limits will activate the function.
 || Choose preferred action when position of motor is beyond allowed travel (i.e. physical limit switches are open). Choices:
 *''Do nothing'': no action is taken beyond travel limits (in other words, drive ignores travel limit)
@@ Line 47: / Line 47: @@
 *Normally open (NO) switches, select Logic low when overtravel
 |-
-|LSO || Perform Limit switch function on || Specifies when {{param|LFS}} will activate|| If one wish to use homing function with soft travel limits to control motion range and physical limit as backup safety stopping method, then it's best to choose option "Physical limit switch only". If no physical limit switches are installed, then it's possible to apply {{param|LFS}} also on situations where motor position is moved out of soft travel limit range.
+|LFO || Perform Limit switch function on || Specifies when {{param|LFS}} will activate|| If one wish to use homing function with soft travel limits to control motion range and physical limit as backup safety stopping method, then it's best to choose option "Physical limit switch only". If no physical limit switches are installed, then it's possible to apply {{param|LFS}} also on situations where motor position is moved out of soft travel limit range.
 |}
 {{next|[[Granity user guide/Testing]]}}
 [[Category:Granity user guide]]
 [[Category:Pages needing update after FW upgrades]]

@@ Line 34: / Line 34: @@
 |-
 |LSF  || Limit switch function || Define drive action when position is out of allowed travel range (i.e. limit switch input is open). Device specific notes:
-*{{G2.0}}: the ''Servo stop'' option is not implemented
+*{{G2.0}}: the ''Dynamic braking'' option is not implemented
-*{{G2.1}} and later: LSF also works with software limits (when {{param|HHL}} and {{param|HLL}} are set and homing is successfully finished
+*{{G2.1}} and later: LSF also works with software limits (when {{param|HHL}} and {{param|HLL}} are set and homing is successfully finished. With parameter {{param|LSO}} it's possible to control whether soft travel limits will activate the function.
 || Choose preferred action when position of motor is beyond allowed travel (i.e. physical limit switches are open). Choices:
 *''Do nothing'': no action is taken beyond travel limits (in other words, drive ignores travel limit)
 *''Disable torque'': drive will set internal torque setpoint to zero if torque direction is set to cause motor go further from allowed travel direction (in other words, torque is allowed only towards allowed travel direction)
 *''Fault stop'': drive sets Motion fault state active which sets drive in inactive state (i.e. motor will be braked and requires user action to move motor back to allowed travel range and then clear fault state)
-*''Servo stop'': drive attempts to actively brake motor if it's being commanded to out of travel bounds but allows command towards allowed direction
+*''Dynamic braking'': drive attempts to dynamically brake motor (resist motion) if it's being commanded to out of travel bounds but allows command towards allowed direction
 |-
 |LSP  || Limit switch polarity || Set the polarity of connected limit switch state interpretation
@@ Line 46: / Line 46: @@
 *Normally closed (NC) switches, select Logic high when overtravel
 *Normally open (NO) switches, select Logic low when overtravel
 |}
 {{next|[[Granity user guide/Testing]]}}
 [[Category:Granity user guide]]
 [[Category:Pages needing update after FW upgrades]]

@@ Line 34: / Line 34: @@
 |-
 |LSF  || Limit switch function || Define drive action when position is out of allowed travel range (i.e. limit switch input is open). Device specific notes:
-*[[Argon]]: the ''Servo stop'' option is not implemented
+*{{G2.0}}: the ''Servo stop'' option is not implemented
-*Other drives (i.e. [[IONI]] and [[ATOMI]]): LSF also works with software limits (when {{param|HHL}} and {{param|HLL}} are set and homing is successfully finished
+*{{G2.1}} and later: LSF also works with software limits (when {{param|HHL}} and {{param|HLL}} are set and homing is successfully finished
 || Choose preferred action when position of motor is beyond allowed travel (i.e. physical limit switches are open). Choices:
 *''Do nothing'': no action is taken beyond travel limits (in other words, drive ignores travel limit)

@@ Line 12: / Line 12: @@
 Set this as low as possible without getting OC faults in normal use to maximally protect your equipment. If larger than ''Medium'' setting is needed, see [[Over current fault troubleshooting]] for solution to the problem.
 |-
-| FOV || Over voltage fault threshold || Maximum allowed HV DC bus voltage before entering into over voltage fault. Also defines at which voltage drive starts driving [[Argon user guide/Braking resistor|braking resistor]] to reduce bus voltage.  Set FOV value at least 10% higher than nominal HV DC bus voltage (FOV=1.55*AC voltage in AC powered drives, such as [[Argon]]).|| Suggested value at different mains AC voltages for AC powered drives:
+| FOV || Over voltage fault threshold || Maximum allowed HV DC bus voltage before entering into over voltage fault. Also defines at which voltage drive starts driving [[Argon user guide/Braking resistor|braking resistor]] to reduce bus voltage.|| See [[Configuring drive voltage limits FUV and FOV]].
-*220-240 VAC mains, set this 355-380 VDC
-*110-120 VAC mains, set this to 170-200 VDC
-−
-See also [[Overvoltage and undervoltage faults]]
 |-
-| FUV || Under voltage fault threshold || Minimum allowed HV DC bus voltage before drive starts motor initialization after power-on. Also if this voltage is exceeded during active operation, drive enters into under voltage fault state. || Suggested value at different mains AC voltages for AC powered drives:
+| FUV || Under voltage fault threshold || Minimum allowed HV DC bus voltage before drive starts motor initialization after power-on. Also if this voltage is exceeded during active operation, drive enters into under voltage fault state. || See [[Configuring drive voltage limits FUV and FOV]].
-*220-240 VAC mains, set this 200 VDC
-*110-120 VAC mains, set this to 100 VDC
-−
-See also [[Overvoltage and undervoltage faults]]
 |}
@@ Line 33: / Line 25: @@
 | FFT || Goal fault filter time  || Set time filter for this fault group. Defines how long drive allows exceeding these conditions before entering into fault state. || Normally values between 0-0.5 seconds are safe. Higher value may pose danger to user or equipment as motor is not being stopped soon after error condition.
 |-
-| FPT || Position tracking error threshold || Defines how much position may deviate from the setpoint || rowspan=3|The value is set as hardware units. Adjust the value and observe the right side value displaying the hardware value converted to a real world units such as ''revolutions/s''. Make sure [[Granity user guide/Machine|Machine tab]] settings are set-up first to get correct conversion.
+| FPT || Position tracking error threshold || Defines how much position may deviate from the setpoint || rowspan="3" |The value is set as hardware units. Adjust the value and observe the right side value displaying the hardware value converted to a real world units such as ''revolutions/s''. Make sure [[Granity user guide/Machine|Machine tab]] settings are set-up first to get correct conversion.
 |-
 | FVT|| Velocity tracking error threshold ||Defines how much velocity is allowed to deviate from velocity setpoint

@@ Line 41: / Line 41: @@
 |FMO  ||  Motion fault threshold|| Defines the sensitivity to enter into motion fault. Used for detecting mechanically blocked motion and DC motor runaway (loss of feedback) || If motion fault feature needed, adjust the value experimentally by increasing it until faults don't occur in normal use. A good starting value may be motor continuous current in milliamperes/2.
 |-
-|LSF  || Limit switch function || Define drive action when limit switch input is open. In current firmware version only options ''Do nothing'', ''Disable torque'' and ''Fault stop'' are supported. || Choose preferred action when limit switches are open. Choose ''Do nothing'' if limit switches are not present, ''Disable torque'' if stopping of torque is preferred at the end of travel and ''Fault stop'' if drive should stop to an fault state if axis travel is exceeded.
+|LSF  || Limit switch function || Define drive action when limit switch input is open. Device specific notes:
 |}