7i76 analog spindle power options
20 Feb 2017 14:38 #88345
by andypugh
Be _very_ careful before referencing GND with a KBIC. Test the voltage with a meter before taking connections anywhere near the Mesa hardware.
On the KBIC board I had the potentiometer terminals were 100V above GND. The 7i76 would not like that across + and -. However, as it is isolated, it should be OK with any voltage difference within its rated range, regardless of where those voltages sit relative to GND.
Replied by andypugh on topic 7i76 analog spindle power options
As it relates to my issue I have voltage following mode wired + to P2 and - to P1 so I am most likely not refernicing ground properly and thus only out putting the 8v instead of 12v. Will post again if this resolves the issue.
Be _very_ careful before referencing GND with a KBIC. Test the voltage with a meter before taking connections anywhere near the Mesa hardware.
On the KBIC board I had the potentiometer terminals were 100V above GND. The 7i76 would not like that across + and -. However, as it is isolated, it should be OK with any voltage difference within its rated range, regardless of where those voltages sit relative to GND.
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21 Feb 2017 01:35 #88414
by Benb
Replied by Benb on topic 7i76 analog spindle power options
KB electronics does make signal isolation board for their speed controllers. Here is the link to the datasheet
www.kbelectronics.com/data_sheets/kbsi240d.pdf
and the link to the manual:
www.kbelectronics.com/manuals/kbsi_240d_manual.pdf
There are few boards for sale on ebay:
www.ebay.com/itm/KB-ELECTRONICS-KBSI-240...2:g:rhYAAOSw44BYZo4J
and the link to the manual:
www.kbelectronics.com/manuals/kbsi_240d_manual.pdf
There are few boards for sale on ebay:
www.ebay.com/itm/KB-ELECTRONICS-KBSI-240...2:g:rhYAAOSw44BYZo4J
The following user(s) said Thank You: Michael
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21 Feb 2017 20:19 #88456
by Michael
Have it disconnected from the controller and just checking spinout. I am only getting 8.5v with a full scale command and a 12v source. The source is still over 12v at full scale and should be able to drive 300ma.
As much as I try to understand what you are referring to in hostmot2 it still isnt making isn't making sense to me, or atleast looks like it is setup as you describe. Here is my HAL and ini to make sure:
Replied by Michael on topic 7i76 analog spindle power options
The spindle output of the 7I76 should be 12V with a
full scale command if the spindle power is 12V
That is if hm2_5i25.0.7i76.0.0.spinout = hm2_7i76e.0.7i76.0.0.spinout-scalemax
and hm2_7i76e.0.7i76.0.0.spinout-maxlim does not limit hm2_5i25.0.7i76.0.0.spinout
then the output should equal the power supply. If this is not the case something
is wrong and needs to be investigated
Have it disconnected from the controller and just checking spinout. I am only getting 8.5v with a full scale command and a 12v source. The source is still over 12v at full scale and should be able to drive 300ma.
As much as I try to understand what you are referring to in hostmot2 it still isnt making isn't making sense to me, or atleast looks like it is setup as you describe. Here is my HAL and ini to make sure:
# Generated by PNCconf at Sat Feb 18 16:40:06 2017
# If you make changes to this file, they will be
# overwritten when you run PNCconf again
loadrt trivkins
loadrt [EMCMOT]EMCMOT servo_period_nsec=[EMCMOT]SERVO_PERIOD num_joints=[TRAJ]AXES
loadrt hostmot2
loadrt hm2_pci config=" num_encoders=1 num_pwmgens=0 num_stepgens=5 sserial_port_0=00xxxx"
setp hm2_5i25.0.watchdog.timeout_ns 5000000
loadrt pid names=pid.x,pid.y,pid.z,pid.s
loadrt abs names=abs.spindle
loadrt lowpass names=lowpass.spindle
addf hm2_5i25.0.read servo-thread
addf motion-command-handler servo-thread
addf motion-controller servo-thread
addf pid.x.do-pid-calcs servo-thread
addf pid.y.do-pid-calcs servo-thread
addf pid.z.do-pid-calcs servo-thread
addf pid.s.do-pid-calcs servo-thread
addf abs.spindle servo-thread
addf lowpass.spindle servo-thread
addf hm2_5i25.0.write servo-thread
# external output signals
# external input signals
# --- ESTOP-EXT ---
net estop-ext <= hm2_5i25.0.7i76.0.0.input-16
# --- MIN-HOME-X ---
net min-home-x <= hm2_5i25.0.7i76.0.0.input-17-not
# --- MAX-HOME-Y ---
net max-home-y <= hm2_5i25.0.7i76.0.0.input-18-not
# --- MAX-HOME-Z ---
net max-home-z <= hm2_5i25.0.7i76.0.0.input-19-not
#*******************
# AXIS X
#*******************
setp pid.x.Pgain [AXIS_0]P
setp pid.x.Igain [AXIS_0]I
setp pid.x.Dgain [AXIS_0]D
setp pid.x.bias [AXIS_0]BIAS
setp pid.x.FF0 [AXIS_0]FF0
setp pid.x.FF1 [AXIS_0]FF1
setp pid.x.FF2 [AXIS_0]FF2
setp pid.x.deadband [AXIS_0]DEADBAND
setp pid.x.maxoutput [AXIS_0]MAX_OUTPUT
setp pid.x.error-previous-target true
setp pid.x.maxerror .0005
net x-index-enable <=> pid.x.index-enable
net x-enable => pid.x.enable
net x-pos-cmd => pid.x.command
net x-vel-cmd => pid.x.command-deriv
net x-pos-fb => pid.x.feedback
net x-output => pid.x.output
# Step Gen signals/setup
setp hm2_5i25.0.stepgen.00.dirsetup [AXIS_0]DIRSETUP
setp hm2_5i25.0.stepgen.00.dirhold [AXIS_0]DIRHOLD
setp hm2_5i25.0.stepgen.00.steplen [AXIS_0]STEPLEN
setp hm2_5i25.0.stepgen.00.stepspace [AXIS_0]STEPSPACE
setp hm2_5i25.0.stepgen.00.position-scale [AXIS_0]STEP_SCALE
setp hm2_5i25.0.stepgen.00.step_type 0
setp hm2_5i25.0.stepgen.00.control-type 1
setp hm2_5i25.0.stepgen.00.maxaccel [AXIS_0]STEPGEN_MAXACCEL
setp hm2_5i25.0.stepgen.00.maxvel [AXIS_0]STEPGEN_MAXVEL
# ---closedloop stepper signals---
net x-pos-cmd <= axis.0.motor-pos-cmd
net x-vel-cmd <= axis.0.joint-vel-cmd
net x-output <= hm2_5i25.0.stepgen.00.velocity-cmd
net x-pos-fb <= hm2_5i25.0.stepgen.00.position-fb
net x-pos-fb => axis.0.motor-pos-fb
net x-enable <= axis.0.amp-enable-out
net x-enable => hm2_5i25.0.stepgen.00.enable
# ---setup home / limit switch signals---
net min-home-x => axis.0.home-sw-in
net min-home-x => axis.0.neg-lim-sw-in
net x-pos-limit => axis.0.pos-lim-sw-in
#*******************
# AXIS Y
#*******************
setp pid.y.Pgain [AXIS_1]P
setp pid.y.Igain [AXIS_1]I
setp pid.y.Dgain [AXIS_1]D
setp pid.y.bias [AXIS_1]BIAS
setp pid.y.FF0 [AXIS_1]FF0
setp pid.y.FF1 [AXIS_1]FF1
setp pid.y.FF2 [AXIS_1]FF2
setp pid.y.deadband [AXIS_1]DEADBAND
setp pid.y.maxoutput [AXIS_1]MAX_OUTPUT
setp pid.y.error-previous-target true
setp pid.y.maxerror .0005
net y-index-enable <=> pid.y.index-enable
net y-enable => pid.y.enable
net y-pos-cmd => pid.y.command
net y-vel-cmd => pid.y.command-deriv
net y-pos-fb => pid.y.feedback
net y-output => pid.y.output
# Step Gen signals/setup
setp hm2_5i25.0.stepgen.01.dirsetup [AXIS_1]DIRSETUP
setp hm2_5i25.0.stepgen.01.dirhold [AXIS_1]DIRHOLD
setp hm2_5i25.0.stepgen.01.steplen [AXIS_1]STEPLEN
setp hm2_5i25.0.stepgen.01.stepspace [AXIS_1]STEPSPACE
setp hm2_5i25.0.stepgen.01.position-scale [AXIS_1]STEP_SCALE
setp hm2_5i25.0.stepgen.01.step_type 0
setp hm2_5i25.0.stepgen.01.control-type 1
setp hm2_5i25.0.stepgen.01.maxaccel [AXIS_1]STEPGEN_MAXACCEL
setp hm2_5i25.0.stepgen.01.maxvel [AXIS_1]STEPGEN_MAXVEL
# ---closedloop stepper signals---
net y-pos-cmd <= axis.1.motor-pos-cmd
net y-vel-cmd <= axis.1.joint-vel-cmd
net y-output <= hm2_5i25.0.stepgen.01.velocity-cmd
net y-pos-fb <= hm2_5i25.0.stepgen.01.position-fb
net y-pos-fb => axis.1.motor-pos-fb
net y-enable <= axis.1.amp-enable-out
net y-enable => hm2_5i25.0.stepgen.01.enable
# ---setup home / limit switch signals---
net max-home-y => axis.1.home-sw-in
net y-neg-limit => axis.1.neg-lim-sw-in
net max-home-y => axis.1.pos-lim-sw-in
#*******************
# AXIS Z
#*******************
setp pid.z.Pgain [AXIS_2]P
setp pid.z.Igain [AXIS_2]I
setp pid.z.Dgain [AXIS_2]D
setp pid.z.bias [AXIS_2]BIAS
setp pid.z.FF0 [AXIS_2]FF0
setp pid.z.FF1 [AXIS_2]FF1
setp pid.z.FF2 [AXIS_2]FF2
setp pid.z.deadband [AXIS_2]DEADBAND
setp pid.z.maxoutput [AXIS_2]MAX_OUTPUT
setp pid.z.error-previous-target true
setp pid.z.maxerror .0005
net z-index-enable <=> pid.z.index-enable
net z-enable => pid.z.enable
net z-pos-cmd => pid.z.command
net z-vel-cmd => pid.z.command-deriv
net z-pos-fb => pid.z.feedback
net z-output => pid.z.output
# Step Gen signals/setup
setp hm2_5i25.0.stepgen.02.dirsetup [AXIS_2]DIRSETUP
setp hm2_5i25.0.stepgen.02.dirhold [AXIS_2]DIRHOLD
setp hm2_5i25.0.stepgen.02.steplen [AXIS_2]STEPLEN
setp hm2_5i25.0.stepgen.02.stepspace [AXIS_2]STEPSPACE
setp hm2_5i25.0.stepgen.02.position-scale [AXIS_2]STEP_SCALE
setp hm2_5i25.0.stepgen.02.step_type 0
setp hm2_5i25.0.stepgen.02.control-type 1
setp hm2_5i25.0.stepgen.02.maxaccel [AXIS_2]STEPGEN_MAXACCEL
setp hm2_5i25.0.stepgen.02.maxvel [AXIS_2]STEPGEN_MAXVEL
# ---closedloop stepper signals---
net z-pos-cmd <= axis.2.motor-pos-cmd
net z-vel-cmd <= axis.2.joint-vel-cmd
net z-output <= hm2_5i25.0.stepgen.02.velocity-cmd
net z-pos-fb <= hm2_5i25.0.stepgen.02.position-fb
net z-pos-fb => axis.2.motor-pos-fb
net z-enable <= axis.2.amp-enable-out
net z-enable => hm2_5i25.0.stepgen.02.enable
# ---setup home / limit switch signals---
net max-home-z => axis.2.home-sw-in
net z-neg-limit => axis.2.neg-lim-sw-in
net max-home-z => axis.2.pos-lim-sw-in
#*******************
# SPINDLE S
#*******************
setp pid.s.Pgain [SPINDLE_9]P
setp pid.s.Igain [SPINDLE_9]I
setp pid.s.Dgain [SPINDLE_9]D
setp pid.s.bias [SPINDLE_9]BIAS
setp pid.s.FF0 [SPINDLE_9]FF0
setp pid.s.FF1 [SPINDLE_9]FF1
setp pid.s.FF2 [SPINDLE_9]FF2
setp pid.s.deadband [SPINDLE_9]DEADBAND
setp pid.s.maxoutput [SPINDLE_9]MAX_OUTPUT
setp pid.s.error-previous-target true
net spindle-index-enable <=> pid.s.index-enable
net spindle-enable => pid.s.enable
net spindle-vel-cmd-rpm-abs => pid.s.command
net spindle-vel-fb-rpm-abs => pid.s.feedback
net spindle-output <= pid.s.output
# ---digital potentionmeter output signals/setup---
setp hm2_5i25.0.7i76.0.0.spinout-minlim [SPINDLE_9]OUTPUT_MIN_LIMIT
setp hm2_5i25.0.7i76.0.0.spinout-maxlim [SPINDLE_9]OUTPUT_MAX_LIMIT
setp hm2_5i25.0.7i76.0.0.spinout-scalemax [SPINDLE_9]OUTPUT_SCALE
net spindle-vel-cmd-rpm-abs => hm2_5i25.0.7i76.0.0.spinout
net spindle-enable => hm2_5i25.0.7i76.0.0.spinena
net spindle-ccw => hm2_5i25.0.7i76.0.0.spindir
# ---setup spindle control signals---
net spindle-vel-cmd-rps <= motion.spindle-speed-out-rps
net spindle-vel-cmd-rps-abs <= motion.spindle-speed-out-rps-abs
net spindle-vel-cmd-rpm <= motion.spindle-speed-out
net spindle-vel-cmd-rpm-abs <= motion.spindle-speed-out-abs
net spindle-enable <= motion.spindle-on
net spindle-cw <= motion.spindle-forward
net spindle-ccw <= motion.spindle-reverse
net spindle-brake <= motion.spindle-brake
net spindle-revs => motion.spindle-revs
net spindle-at-speed => motion.spindle-at-speed
net spindle-vel-fb-rps => motion.spindle-speed-in
net spindle-index-enable <=> motion.spindle-index-enable
# ---Setup spindle at speed signals---
sets spindle-at-speed true
#******************************
# connect miscellaneous signals
#******************************
# ---HALUI signals---
net joint-select-a halui.joint.0.select
net x-is-homed halui.joint.0.is-homed
net jog-x-pos halui.jog.0.plus
net jog-x-neg halui.jog.0.minus
net jog-x-analog halui.jog.0.analog
net joint-select-b halui.joint.1.select
net y-is-homed halui.joint.1.is-homed
net jog-y-pos halui.jog.1.plus
net jog-y-neg halui.jog.1.minus
net jog-y-analog halui.jog.1.analog
net joint-select-c halui.joint.2.select
net z-is-homed halui.joint.2.is-homed
net jog-z-pos halui.jog.2.plus
net jog-z-neg halui.jog.2.minus
net jog-z-analog halui.jog.2.analog
net jog-selected-pos halui.jog.selected.plus
net jog-selected-neg halui.jog.selected.minus
net spindle-manual-cw halui.spindle.forward
net spindle-manual-ccw halui.spindle.reverse
net spindle-manual-stop halui.spindle.stop
net machine-is-on halui.machine.is-on
net jog-speed halui.jog-speed
net MDI-mode halui.mode.is-mdi
# ---coolant signals---
net coolant-mist <= iocontrol.0.coolant-mist
net coolant-flood <= iocontrol.0.coolant-flood
# ---probe signal---
net probe-in => motion.probe-input
# ---motion control signals---
net in-position <= motion.in-position
net machine-is-enabled <= motion.motion-enabled
# ---digital in / out signals---
# ---estop signals---
net estop-out <= iocontrol.0.user-enable-out
net estop-ext => iocontrol.0.emc-enable-in
# ---manual tool change signals---
loadusr -W hal_manualtoolchange
net tool-change-request iocontrol.0.tool-change => hal_manualtoolchange.change
net tool-change-confirmed iocontrol.0.tool-changed <= hal_manualtoolchange.changed
net tool-number iocontrol.0.tool-prep-number => hal_manualtoolchange.number
net tool-prepare-loopback iocontrol.0.tool-prepare => iocontrol.0.tool-prepared
# Generated by PNCconf at Sat Feb 18 16:40:06 2017
# If you make changes to this file, they will be
# overwritten when you run PNCconf again
[EMC]
MACHINE = G0704_LinuxCNC
DEBUG = 0
[DISPLAY]
DISPLAY = axis
POSITION_OFFSET = RELATIVE
POSITION_FEEDBACK = ACTUAL
MAX_FEED_OVERRIDE = 2.000000
MAX_SPINDLE_OVERRIDE = 1.000000
MIN_SPINDLE_OVERRIDE = 0.500000
INTRO_GRAPHIC = linuxcnc.gif
INTRO_TIME = 5
PROGRAM_PREFIX = /home/malcocer33/linuxcnc/nc_files
PYVCP = pyvcp-panel.xml
INCREMENTS = .1in .05in .01in .005in .001in
POSITION_FEEDBACK = ACTUAL
DEFAULT_LINEAR_VELOCITY = 2.000000
MAX_LINEAR_VELOCITY = 4.000000
MIN_LINEAR_VELOCITY = 0.016670
DEFAULT_ANGULAR_VELOCITY = 12.000000
MAX_ANGULAR_VELOCITY = 180.000000
MIN_ANGULAR_VELOCITY = 1.666667
EDITOR = gedit
GEOMETRY = xyz
[FILTER]
PROGRAM_EXTENSION = .png,.gif,.jpg Greyscale Depth Image
PROGRAM_EXTENSION = .py Python Script
png = image-to-gcode
gif = image-to-gcode
jpg = image-to-gcode
py = python
[TASK]
TASK = milltask
CYCLE_TIME = 0.010
[RS274NGC]
PARAMETER_FILE = linuxcnc.var
[EMCMOT]
EMCMOT = motmod
COMM_TIMEOUT = 1.0
COMM_WAIT = 0.010
SERVO_PERIOD = 1005000
[HOSTMOT2]
# **** This is for info only ****
# DRIVER0=hm2_pci
# BOARD0=5i25
[HAL]
HALUI = halui
HALFILE = G0704_LinuxCNC.hal
HALFILE = custom.hal
POSTGUI_HALFILE = postgui_call_list.hal
SHUTDOWN = shutdown.hal
[HALUI]
[TRAJ]
AXES = 3
COORDINATES = X Y Z
LINEAR_UNITS = inch
ANGULAR_UNITS = degree
CYCLE_TIME = 0.010
DEFAULT_VELOCITY = 0.40
MAX_LINEAR_VELOCITY = 4.00
NO_FORCE_HOMING = 1
[EMCIO]
EMCIO = io
CYCLE_TIME = 0.100
TOOL_TABLE = tool.tbl
TOOL_CHANGE_QUILL_UP = 1
#********************
# Axis X
#********************
[AXIS_0]
TYPE = LINEAR
HOME = 0.0
FERROR = 0.5
MIN_FERROR = 0.05
MAX_VELOCITY = 4.0
MAX_ACCELERATION = 30.0
# The values below should be 25% larger than MAX_VELOCITY and MAX_ACCELERATION
# If using BACKLASH compensation STEPGEN_MAXACCEL should be 100% larger.
STEPGEN_MAXVEL = 5.00
STEPGEN_MAXACCEL = 60
P = 1000.0
I = 0.0
D = 0.0
FF0 = 0.0
FF1 = 1.0
FF2 = 0.0
BIAS = 0.0
DEADBAND = 0.0
MAX_OUTPUT = 0.0
# these are in nanoseconds
DIRSETUP = 5000
DIRHOLD = 10000
STEPLEN = 2500
STEPSPACE = 2500
STEP_SCALE = -2034.0
BACKLASH = 0.0005
MIN_LIMIT = -6.24
MAX_LIMIT = 12.34
HOME_OFFSET = -6.340000
HOME_SEARCH_VEL = -1.000000
HOME_LATCH_VEL = 0.016667
HOME_FINAL_VEL = 2.000000
HOME_USE_INDEX = NO
HOME_IGNORE_LIMITS = YES
HOME_SEQUENCE = 1
#********************
# Axis Y
#********************
[AXIS_1]
TYPE = LINEAR
HOME = 0.0
FERROR = 0.5
MIN_FERROR = 0.05
MAX_VELOCITY = 4.0
MAX_ACCELERATION = 30.0
# The values below should be 25% larger than MAX_VELOCITY and MAX_ACCELERATION
# If using BACKLASH compensation STEPGEN_MAXACCEL should be 100% larger.
STEPGEN_MAXVEL = 5.00
STEPGEN_MAXACCEL = 60
P = 1000.0
I = 0.0
D = 0.0
FF0 = 0.0
FF1 = 1.0
FF2 = 0.0
BIAS = 0.0
DEADBAND = 0.0
MAX_OUTPUT = 0.0
# these are in nanoseconds
DIRSETUP = 5000
DIRHOLD = 10000
STEPLEN = 2500
STEPSPACE = 2500
STEP_SCALE = 2032.38
BACKLASH = 0.0036
MIN_LIMIT = -5.57
MAX_LIMIT = 2.0
HOME_OFFSET = 2.010000
HOME_SEARCH_VEL = 1.000000
HOME_LATCH_VEL = -0.016667
HOME_FINAL_VEL = 2.000000
HOME_USE_INDEX = NO
HOME_IGNORE_LIMITS = YES
HOME_SEQUENCE = 2
#********************
# Axis Z
#********************
[AXIS_2]
TYPE = LINEAR
HOME = 0.0
FERROR = 0.5
MIN_FERROR = 0.05
MAX_VELOCITY = 1.5
MAX_ACCELERATION = 20.0
# The values below should be 25% larger than MAX_VELOCITY and MAX_ACCELERATION
# If using BACKLASH compensation STEPGEN_MAXACCEL should be 100% larger.
STEPGEN_MAXVEL = 5.00
STEPGEN_MAXACCEL = 40
P = 1000.0
I = 0.0
D = 0.0
FF0 = 0.0
FF1 = 1.0
FF2 = 0.0
BIAS = 0.0
DEADBAND = 0.0
MAX_OUTPUT = 0.0
# these are in nanoseconds
DIRSETUP = 5000
DIRHOLD = 10000
STEPLEN = 2500
STEPSPACE = 2500
STEP_SCALE = 2033.25
BACKLASH = 0.0037
MIN_LIMIT = -17.0
MAX_LIMIT = 0.99
HOME_OFFSET = 1.000000
HOME_SEARCH_VEL = 1.000000
HOME_LATCH_VEL = -0.016667
HOME_FINAL_VEL = 1.000000
HOME_USE_INDEX = NO
HOME_IGNORE_LIMITS = YES
HOME_SEQUENCE = 0
#********************
# Spindle
#********************
[SPINDLE_9]
P = 0.0
I = 0.0
D = 0.0
FF0 = 1.0
FF1 = 0.0
FF2 = 0.0
BIAS = 0.0
DEADBAND = 0.0
MAX_OUTPUT = 5600
OUTPUT_SCALE = 5600
OUTPUT_MIN_LIMIT = 50
OUTPUT_MAX_LIMIT = 5600
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21 Feb 2017 20:29 #88458
by PCW
Replied by PCW on topic 7i76 analog spindle power options
So are you saying you set the spindle speed to 5600 and only got 8.5V on the analog out pin?
If so, this indicates a problem with the 7I76.
If so, this indicates a problem with the 7I76.
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21 Feb 2017 20:36 #88459
by Michael
Replied by Michael on topic 7i76 analog spindle power options
That is correct. I used m3 s5600 and the spin out reads 8.5v (another meter I have reads 9v) as referenced to spin-. spin+ to spin- reads 12.5v while the m3 s5600 is issued.
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21 Feb 2017 20:49 - 21 Feb 2017 20:56 #88461
by PCW
Replied by PCW on topic 7i76 analog spindle power options
There are two possible problems I can think of
1. You have one of the 7I76s that had a stability problem with the buffer OP amp. This was caught and patched
quickly but there may be a few test escapes. If so, the problem can be solved by adding a 1000 to 4700 pF capacitor from SPIN-OUT to SPIN- The cards with this issue have lot number 14248 (patched lot 14248 cards have a capacitor on he back of the 7I76 card)
2. Somehow the analog output section has been damaged
1. You have one of the 7I76s that had a stability problem with the buffer OP amp. This was caught and patched
quickly but there may be a few test escapes. If so, the problem can be solved by adding a 1000 to 4700 pF capacitor from SPIN-OUT to SPIN- The cards with this issue have lot number 14248 (patched lot 14248 cards have a capacitor on he back of the 7I76 card)
2. Somehow the analog output section has been damaged
Last edit: 21 Feb 2017 20:56 by PCW.
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22 Feb 2017 00:31 #88472
by Michael
Replied by Michael on topic 7i76 analog spindle power options
My card is lot 14640L1 and does not have a capacitor on it. I could get a .1uf cap tomorrow or order a 1000pf but my thoughts are that will not work. So if the analog output is somehow damaged how do we go about assessing that and repairing it?
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22 Feb 2017 15:50 #88500
by PCW
Replied by PCW on topic 7i76 analog spindle power options
A capacitor is not needed for any lot other than 14248
I think at this point it would be best to request a RMA from MESA and return the card for repair/replacement
I think at this point it would be best to request a RMA from MESA and return the card for repair/replacement
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22 Feb 2017 18:30 - 22 Feb 2017 19:00 #88506
by Michael
Replied by Michael on topic 7i76 analog spindle power options
We can stand down from that. I tore apart the house and found some different power supplies. I believe I had a faulty isolated power supply. The one I am using now is rated at 12v 1000ma. 0 scale I get 13.2v spin+ to spin-. Full scale I get 13.2v! So the new challenge is to bring that down. I only want to output 10.2v to this controller which would give me ~6900rpm. I really only want to run at 6000rpm which is 9.2v.
I could wire in a pot and turn it down. Would I also be able to manipulate this section of ini:
MAX_OUTPUT = 13000
OUTPUT_SCALE = 13000
OUTPUT_MIN_LIMIT = 0
OUTPUT_MAX_LIMIT = 13000
I set it this way to check the output voltage in a more linear fashion. Ultimately I will be running the spindle in closed loop (sure could use some help on the HAL side) and wont have any progams that ask for more than 6000rpm. This is my thinking for the new ini file but scaled down to the rpm ranges I am talking about:
MAX_OUTPUT = 9100
OUTPUT_SCALE = 9100
OUTPUT_MIN_LIMIT = 0
OUTPUT_MAX_LIMIT = 6000
I could wire in a pot and turn it down. Would I also be able to manipulate this section of ini:
MAX_OUTPUT = 13000
OUTPUT_SCALE = 13000
OUTPUT_MIN_LIMIT = 0
OUTPUT_MAX_LIMIT = 13000
I set it this way to check the output voltage in a more linear fashion. Ultimately I will be running the spindle in closed loop (sure could use some help on the HAL side) and wont have any progams that ask for more than 6000rpm. This is my thinking for the new ini file but scaled down to the rpm ranges I am talking about:
MAX_OUTPUT = 9100
OUTPUT_SCALE = 9100
OUTPUT_MIN_LIMIT = 0
OUTPUT_MAX_LIMIT = 6000
Last edit: 22 Feb 2017 19:00 by Michael.
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23 Feb 2017 13:17 #88538
by andypugh
Replied by andypugh on topic 7i76 analog spindle power options
Yes, that is what you need to do
Wheter directly in the HAL or using INI-lookup you want
setp hm2_5i25.0.7i76.0.0.spinout-minlim 0
setp hm2_5i25.0.7i76.0.0.spinout-maxlim 9.2
setp hm2_5i25.0.7i76.0.0.spinout-scalemax 13.2
Wheter directly in the HAL or using INI-lookup you want
setp hm2_5i25.0.7i76.0.0.spinout-minlim 0
setp hm2_5i25.0.7i76.0.0.spinout-maxlim 9.2
setp hm2_5i25.0.7i76.0.0.spinout-scalemax 13.2
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