srl@cnc:~$ linuxcnc
LINUXCNC - 2.8.1
Machine configuration directory is '/home/srl/linuxcnc/configs/cnc-srl'
Machine configuration file is 'cnc-srl.ini'
Starting LinuxCNC...
Found file(REL): ./cnc-srl.hal
Note: Using POSIX realtime
config string '0 out'
Found file(REL): ./custom.hal
Opening /dev/ttyUSB0 at 9600 bauds (N, 8, 1)

vfdmod: reading 'spindle.rpm-out' from address 8192 (0x2000)...
[01][03][20][00][00][01][8F][CA]
Waiting for a confirmation...
<01><03><02><00><00><B8><44>
vfdmod: returned value is 0 (0x0000)

vfdmod: reading 'parameters.command-frequency' from address 8192 (0x2000)...
[01][03][20][00][00][01][8F][CA]
Waiting for a confirmation...
note: MAXV     max: 25.000 units/sec 1500.000 units/min
note: LJOG     max: 25.000 units/sec 1500.000 units/min
note: LJOG default: 2.500 units/sec 150.000 units/min
note: jog_order='XYZ'
note: jog_invert=set([])
ERROR Connection timed out: select

vfdmod: setting command speed value to 125 (0x007D)...
[01][06][20][00][00][7D][42][2B]
Waiting for a confirmation...
<01><06><20><00><00><7D><42><2B>

vfdmod: setting control word value to 1 (0x0001)...
[01][06][10][00][00][01][4C][CA]
Waiting for a confirmation...
ERROR Connection timed out: select

vfdmod: reading 'spindle.rpm-out' from address 8192 (0x2000)...
[01][03][20][00][00][01][8F][CA]
Waiting for a confirmation...
<01><03><02><00><7D><78><65>
vfdmod: returned value is 125 (0x007D)

vfdmod: reading 'parameters.command-frequency' from address 8192 (0x2000)...
[01][03][20][00][00][01][8F][CA]
Waiting for a confirmation...
ERROR Connection timed out: select

vfdmod: setting command speed value to 125 (0x007D)...
[01][06][20][00][00][7D][42][2B]
Waiting for a confirmation...
<01><06><20><00><00><7D><42><2B>

vfdmod: setting control word value to 1 (0x0001)...
[01][06][10][00][00][01][4C][CA]
Waiting for a confirmation...
ERROR Connection timed out: select

vfdmod: reading 'spindle.rpm-out' from address 8192 (0x2000)...
[01][03][20][00][00][01][8F][CA]
Waiting for a confirmation...
<01><03><02><00><7D><78><65>
vfdmod: returned value is 125 (0x007D)

vfdmod: reading 'parameters.command-frequency' from address 8192 (0x2000)...
[01][03][20][00][00][01][8F][CA]
Waiting for a confirmation...
ERROR Connection timed out: select

vfdmod: setting command speed value to 125 (0x007D)...
[01][06][20][00][00][7D][42][2B]
Waiting for a confirmation...
<01><06><20><00><00><7D><42><2B>

vfdmod: setting control word value to 1 (0x0001)...
[01][06][10][00][00][01][4C][CA]
Waiting for a confirmation...
ERROR Connection timed out: select

vfdmod: reading 'spindle.rpm-out' from address 8192 (0x2000)...
[01][03][20][00][00][01][8F][CA]
Waiting for a confirmation...
<01><03><02><00><7D><78><65>
vfdmod: returned value is 125 (0x007D)

vfdmod: reading 'parameters.command-frequency' from address 8192 (0x2000)...
[01][03][20][00][00][01][8F][CA]
Waiting for a confirmation...
ERROR Connection timed out: select

vfdmod: setting command speed value to 125 (0x007D)...
[01][06][20][00][00][7D][42][2B]
Waiting for a confirmation...
<01><06><20><00><00><7D><42><2B>

vfdmod: setting control word value to 1 (0x0001)...
[01][06][10][00][00][01][4C][CA]
Waiting for a confirmation...
ERROR Connection timed out: select

vfdmod: reading 'spindle.rpm-out' from address 8192 (0x2000)...
[01][03][20][00][00][01][8F][CA]
Waiting for a confirmation...
<01><03><02><00><7D><78><65>
vfdmod: returned value is 125 (0x007D)

vfdmod: reading 'parameters.command-frequency' from address 8192 (0x2000)...
[01][03][20][00][00][01][8F][CA]
Waiting for a confirmation...
ERROR Connection timed out: select

vfdmod: setting command speed value to 125 (0x007D)...
[01][06][20][00][00][7D][42][2B]
Waiting for a confirmation...
<01><06><20><00><00><7D><42><2B>

vfdmod: setting control word value to 1 (0x0001)...
[01][06][10][00][00][01][4C][CA]
Waiting for a confirmation...
ERROR Connection timed out: select

vfdmod: reading 'spindle.rpm-out' from address 8192 (0x2000)...
[01][03][20][00][00][01][8F][CA]
Waiting for a confirmation...
<01><03><02><00><7D><78><65>
vfdmod: returned value is 125 (0x007D)

vfdmod: reading 'parameters.command-frequency' from address 8192 (0x2000)...
[01][03][20][00][00][01][8F][CA]
Waiting for a confirmation...
ERROR Connection timed out: select

vfdmod: setting command speed value to 125 (0x007D)...
[01][06][20][00][00][7D][42][2B]
Waiting for a confirmation...
<01><06><20><00><00><7D><42><2B>

vfdmod: setting control word value to 1 (0x0001)...
[01][06][10][00][00][01][4C][CA]
Waiting for a confirmation...
ERROR Connection timed out: select

vfdmod: reading 'spindle.rpm-out' from address 8192 (0x2000)...
[01][03][20][00][00][01][8F][CA]
Waiting for a confirmation...