[etherlab-users] Datagram Timeout and other issues

Newell Jensen pillar2012 at gmail.com
Mon Nov 29 06:58:31 CET 2010


Ping - Andreas and or Others:

Anyone know have any ideas why I am getting the errors that are discussed in
this thread?

Thanks for all the help!

On Tue, Nov 23, 2010 at 9:34 AM, Newell Jensen <pillar2012 at gmail.com> wrote:

> Andreas,
>
> Here is the output from:
>
> 1.  $ ethercat slaves -v
>
> === Master 0, Slave 0 ===
> State: PREOP
> Flag: +
> Identity:
>   Vendor Id:       0x00000002
>   Product code:    0x044c2c52
>   Revision number: 0x00110000
>   Serial number:   0x00000000
> DL information:
>   FMMU bit operation: no
>   Distributed clocks: yes, 64 bit
>   DC system time transmission delay: 0 ns
> Port  Type  Link  Loop    Signal  NextSlave  RxTime [ns]  Diff [ns]
> NextDc [ns]
>    0  MII   up    open    yes             -   2549051802
> 0           0
>    1  EBUS  up    open    yes             1   2549052242
> 440         220
>    2  MII   down  closed  no              -            -
> -           -
>    3  N/A   down  closed  no              -            -
> -           -
> General:
>   Group: SystemBk
>   Image name:
>   Order number: EK1100
>   Device name: EK1100 EtherCAT-Koppler (2A E-Bus)
>   Flags:
>     Enable SafeOp: no
>     Enable notLRW: no
>   Current consumption: -2000 mA
> === Master 0, Slave 1 ===
> State: PREOP
> Flag: +
> Identity:
>   Vendor Id:       0x00000002
>   Product code:    0x07d43052
>   Revision number: 0x00100000
>   Serial number:   0x00000000
> DL information:
>   FMMU bit operation: no
>   Distributed clocks: yes, 64 bit
>   DC system time transmission delay: 220 ns
> Port  Type  Link  Loop    Signal  NextSlave  RxTime [ns]  Diff [ns]
> NextDc [ns]
>    0  EBUS  up    open    yes             0   2549892332
> 0         220
>    1  EBUS  up    open    yes             -   2549892482
> 150           0
>    2  N/A   down  closed  no              -            -
> -           -
>    3  N/C   down  closed  no              -            -
> -           -
> General:
>   Group: DigOut
>   Image name: TERM_DO
>   Order number: EL2004
>   Device name: EL2004 4K. Dig. Ausgang 24V, 0.5A
>   Flags:
>     Enable SafeOp: no
>     Enable notLRW: no
>   Current consumption: 100 mA
>
>
> 2.  $ ethercat master -v
>
> Master0
>   Phase: Idle
>   Active: no
>   Slaves: 2
>   Ethernet devices:
>     Main: 00:04:5f:b0:8e:49 (attached)
>       Link: UP
>       Tx frames:   126992
>       Rx frames:   126991
>       Lost frames: 0
>       Tx bytes:    7619664
>       Tx errors:   0
>       Tx frame rate [1/s]:    525    542    534
>       Tx rate [KByte/s]:     30.8   31.8   31.3
>       Loss rate [1/s]:          0      0      0
>       Frame loss [%]:         0.0    0.0    0.0
>
>     Backup: None.
>   Distributed clocks:
>     Reference clock: Slave 0
>     Application time: 0
>                       2000-01-01 00:00:00.000000000
>
>
> 3.  And here is my code (I just modified the user example main.c a bit):
>
>
>
> /*****************************************************************************
>  *
>  *  $Id$
>  *
>  *  Copyright (C) 2007-2009  Florian Pose, Ingenieurgemeinschaft IgH
>  *
>  *  This file is part of the IgH EtherCAT Master.
>  *
>  *  The IgH EtherCAT Master is free software; you can redistribute it
> and/or
>  *  modify it under the terms of the GNU General Public License version 2,
> as
>  *  published by the Free Software Foundation.
>  *
>  *  The IgH EtherCAT Master is distributed in the hope that it will be
> useful,
>  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
>  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> General
>  *  Public License for more details.
>  *
>  *  You should have received a copy of the GNU General Public License along
>  *  with the IgH EtherCAT Master; if not, write to the Free Software
>  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
> USA
>  *
>  *  ---
>  *
>  *  The license mentioned above concerns the source code only. Using the
>  *  EtherCAT technology and brand is only permitted in compliance with the
>  *  industrial property and similar rights of Beckhoff Automation GmbH.
>  *
>
>  ****************************************************************************/
>
> #include <errno.h>
> #include <signal.h>
> #include <stdio.h>
> #include <string.h>
> #include <sys/resource.h>
> #include <sys/time.h>
> #include <sys/types.h>
> #include <unistd.h>
>
>
> /****************************************************************************/
>
> #include "ecrt.h"
>
>
> /****************************************************************************/
>
> // Application parameters
> #define FREQUENCY 100
> #define PRIORITY 1
>
> // Optional features
> #define CONFIGURE_PDOS  1
> #define SDO_ACCESS      0
>
>
> /****************************************************************************/
>
> // EtherCAT
> static ec_master_t *master = NULL;
> static ec_master_state_t master_state = {};
>
> static ec_domain_t *domain1 = NULL;
> static ec_domain_state_t domain1_state = {};
>
> static ec_slave_config_t *sc_ana_in = NULL;
> static ec_slave_config_state_t sc_ana_in_state = {};
>
> // Timer
> static unsigned int sig_alarms = 0;
> static unsigned int user_alarms = 0;
>
>
> /****************************************************************************/
>
> // process data
> static uint8_t *domain1_pd = NULL;
>
> // nj -- this was found from command: $ ethercat slaves
> #define BusCouplerPos  0, 0
> #define DigOutSlavePos 0, 1
> #define DigInSlavePos  0, 2
> #define AnaOutSlavePos 0, 3
> #define AnaInSlavePos  0, 4
>
> // nj -- this was found from the command: $ ethercat slaves -v
> // or it can be found when using ethercat cstruct option
> #define Beckhoff_EK1100 0x00000002, 0x044c2c52 // bus coupler
> #define Beckhoff_EL2004 0x00000002, 0x07d43052 // digital output
> #define Beckhoff_EL1004 0x00000002, 0x03ec3052 // digital input
> #define Beckhoff_EL4132 0x00000002, 0x10243052 // analog output
> #define Beckhoff_EL3102 0x00000002, 0x0c1e3052 // analog input
>
>
> // offsets for PDO entries
> static unsigned int off_ana_in_status;
> static unsigned int off_ana_in_value;
> static unsigned int off_ana_out;
> static unsigned int off_dig_out;
> static unsigned int off_dig_in; // nj -- added
>
> const static ec_pdo_entry_reg_t domain1_regs[] = {
>     {DigOutSlavePos, Beckhoff_EL2004, 0x7000, 1, &off_dig_out},
>     {DigInSlavePos,  Beckhoff_EL1004, 0x6000, 1, &off_dig_in},
>     {AnaOutSlavePos, Beckhoff_EL4132, 0x3001, 1, &off_ana_out},
>     {AnaInSlavePos,  Beckhoff_EL3102, 0x3101, 1, &off_ana_in_status},
>     {AnaInSlavePos,  Beckhoff_EL3102, 0x3101, 2, &off_ana_in_value},
>     {}
> };
>
> static unsigned int counter = 0;
> static unsigned int blink = 0;
>
>
> /*****************************************************************************/
>
> #if CONFIGURE_PDOS
> // DIGITAL OUTPUT
> /* Master 0, Slave 1, "EL2004"
>  * Vendor ID:       0x00000002
>  * Product code:    0x07d43052
>  * Revision number: 0x00100000
>  */
>
> ec_pdo_entry_info_t el2004_pdo_entries[] = {
>     {0x7000, 0x01, 1}, /* Output */
>     {0x7010, 0x01, 1}, /* Output */
>     {0x7020, 0x01, 1}, /* Output */
>     {0x7030, 0x01, 1}, /* Output */
> };
>
> ec_pdo_info_t el2004_pdos[] = {
>     {0x1600, 1, el2004_pdo_entries + 0}, /* Channel 1 */
>     {0x1601, 1, el2004_pdo_entries + 1}, /* Channel 2 */
>     {0x1602, 1, el2004_pdo_entries + 2}, /* Channel 3 */
>     {0x1603, 1, el2004_pdo_entries + 3}, /* Channel 4 */
> };
>
> ec_sync_info_t el2004_syncs[] = {
>     {0, EC_DIR_OUTPUT, 4, el2004_pdos + 0, EC_WD_ENABLE},
>     {0xff}
> };
>
> // DIGITAL INPUT
> /* Master 0, Slave 2, "EL1004"
>  * Vendor ID:       0x00000002
>  * Product code:    0x03ec3052
>  * Revision number: 0x00100000
>  */
>
> ec_pdo_entry_info_t el1004_pdo_entries[] = {
>     {0x6000, 0x01, 1}, /* Input */
>     {0x6010, 0x01, 1}, /* Input */
>     {0x6020, 0x01, 1}, /* Input */
>     {0x6030, 0x01, 1}, /* Input */
> };
>
> ec_pdo_info_t el1004_pdos[] = {
>     {0x1a00, 1, el1004_pdo_entries + 0}, /* Channel 1 */
>     {0x1a01, 1, el1004_pdo_entries + 1}, /* Channel 2 */
>     {0x1a02, 1, el1004_pdo_entries + 2}, /* Channel 3 */
>     {0x1a03, 1, el1004_pdo_entries + 3}, /* Channel 4 */
> };
>
> ec_sync_info_t el1004_syncs[] = {
>     {0, EC_DIR_INPUT, 4, el1004_pdos + 0, EC_WD_DISABLE},
>     {0xff}
> };
>
> // ANALOG OUTPUT
> /* Master 0, Slave 3, "EL4132"
>  * Vendor ID:       0x00000002
>  * Product code:    0x10243052
>  * Revision number: 0x00000000
>  */
>
> ec_pdo_entry_info_t el4132_pdo_entries[] = {
>     {0x3001, 0x01, 16}, /* Value */
>     {0x3002, 0x01, 16}, /* Value */
> };
>
> ec_pdo_info_t el4132_pdos[] = {
>     {0x1600, 1, el4132_pdo_entries + 0}, /* RxPDO 001 mapping */
>     {0x1601, 1, el4132_pdo_entries + 1}, /* RxPDO 002 mapping */
> };
>
> ec_sync_info_t el4132_syncs[] = {
>     {0, EC_DIR_OUTPUT, 0, NULL, EC_WD_DISABLE},
>     {1, EC_DIR_INPUT, 0, NULL, EC_WD_DISABLE},
>     {2, EC_DIR_OUTPUT, 2, el4132_pdos + 0, EC_WD_DISABLE},
>     {3, EC_DIR_INPUT, 0, NULL, EC_WD_DISABLE},
>     {0xff}
> };
>
> // ANALOG INPUT
> /* Master 0, Slave 4, "EL3102"
>  * Vendor ID:       0x00000002
>  * Product code:    0x0c1e3052
>  * Revision number: 0x00000000
>  */
>
> ec_pdo_entry_info_t el3102_pdo_entries[] = {
>     {0x3101, 0x01, 8},
>     {0x3101, 0x02, 16},
>     {0x3102, 0x01, 8},
>     {0x3102, 0x02, 16},
> };
>
> ec_pdo_info_t el3102_pdos[] = {
>     {0x1a00, 2, el3102_pdo_entries + 0}, /* TxPDO 001 mapping */
>     {0x1a01, 2, el3102_pdo_entries + 2}, /* TxPDO 002 mapping */
> };
>
> ec_sync_info_t el3102_syncs[] = {
>     {0, EC_DIR_OUTPUT, 0, NULL, EC_WD_DISABLE},
>     {1, EC_DIR_INPUT, 0, NULL, EC_WD_DISABLE},
>     {2, EC_DIR_OUTPUT, 0, NULL, EC_WD_DISABLE},
>     {3, EC_DIR_INPUT, 2, el3102_pdos + 0, EC_WD_DISABLE},
>     {0xff}
> };
> #endif
>
>
> /*****************************************************************************/
>
> #if SDO_ACCESS
> static ec_sdo_request_t *sdo;
> #endif
>
>
> /*****************************************************************************/
>
> void check_domain1_state(void)
> {
>     ec_domain_state_t ds;
>
>     ecrt_domain_state(domain1, &ds);
>
>     if (ds.working_counter != domain1_state.working_counter)
>         //printf("Domain1: WC %u.\n", ds.working_counter);
>     if (ds.wc_state != domain1_state.wc_state)
>         //printf("Domain1: State %u.\n", ds.wc_state);
>
>     domain1_state = ds;
> }
>
>
> /*****************************************************************************/
>
> void check_master_state(void)
> {
>     ec_master_state_t ms;
>
>     ecrt_master_state(master, &ms);
>
>     if (ms.slaves_responding != master_state.slaves_responding)
>         //printf("%u slave(s).\n", ms.slaves_responding);
>     if (ms.al_states != master_state.al_states)
>         //printf("AL states: 0x%02X.\n", ms.al_states);
>     if (ms.link_up != master_state.link_up)
>         //printf("Link is %s.\n", ms.link_up ? "up" : "down");
>
>     master_state = ms;
> }
>
>
> /*****************************************************************************/
>
> void check_slave_config_states(void)
> {
>     ec_slave_config_state_t s;
>
>     ecrt_slave_config_state(sc_ana_in, &s);
>
>     if (s.al_state != sc_ana_in_state.al_state)
>         //printf("AnaIn: State 0x%02X.\n", s.al_state);
>     if (s.online != sc_ana_in_state.online)
>         //printf("AnaIn: %s.\n", s.online ? "online" : "offline");
>     if (s.operational != sc_ana_in_state.operational)
>         //printf("AnaIn: %soperational.\n",
>       //s.operational ? "" : "Not ");
>
>     sc_ana_in_state = s;
> }
>
>
> /*****************************************************************************/
>
> #if SDO_ACCESS
> void read_sdo(void)
> {
>     switch (ecrt_sdo_request_state(sdo)) {
>         case EC_REQUEST_UNUSED: // request was not used yet
>             ecrt_sdo_request_read(sdo); // trigger first read
>             break;
>         case EC_REQUEST_BUSY:
>             fprintf(stderr, "Still busy...\n");
>             break;
>         case EC_REQUEST_SUCCESS:
>             fprintf(stderr, "SDO value: 0x%04X\n",
>                     EC_READ_U16(ecrt_sdo_request_data(sdo)));
>             ecrt_sdo_request_read(sdo); // trigger next read
>             break;
>         case EC_REQUEST_ERROR:
>             fprintf(stderr, "Failed to read SDO!\n");
>             ecrt_sdo_request_read(sdo); // retry reading
>             break;
>     }
> }
> #endif
>
>
> /****************************************************************************/
>
> void cyclic_task()
> {
>     int i;
>
>     // receive process data
>     ecrt_master_receive(master);
>     ecrt_domain_process(domain1);
>
>     // check process data state (optional)
>     check_domain1_state();
>
>     /* if (counter) { */
>     /*     counter--; */
>     /* } else { // do this at 1 Hz */
>     //        counter = FREQUENCY;
>
>         // calculate new process data
>         blink = !blink;
>
>         // check for master state (optional)
>         //check_master_state();
>
>         // check for islave configuration state(s) (optional)
>         //check_slave_config_states();
>
> #if SDO_ACCESS
>         // read process data SDO
>         read_sdo();
> #endif
>
>     //    }
>
> #if 0
>     // read process data
>     printf("AnaIn: state %u value %u\n",
>             EC_READ_U8(domain1_pd + off_ana_in_status),
>             EC_READ_U16(domain1_pd + off_ana_in_value));
> #endif
>
> #if 1
>     // write process data
>     EC_WRITE_U8(domain1_pd + off_dig_out, blink ? 0x01 : 0x00);
> #endif
>
>     // send process data
>     ecrt_domain_queue(domain1);
>     ecrt_master_send(master);
> }
>
>
> /****************************************************************************/
>
> void signal_handler(int signum) {
>     switch (signum) {
>         case SIGALRM:
>             sig_alarms++;
>             break;
>     }
> }
>
>
> /****************************************************************************/
>
> int main(int argc, char **argv)
> {
>     ec_slave_config_t *sc;
>     struct sigaction sa;
>     struct itimerval tv;
>
>     master = ecrt_request_master(0);
>     if (!master)
>         return -1;
>
>     domain1 = ecrt_master_create_domain(master);
>     if (!domain1)
>         return -1;
>
>     if (!(sc_ana_in = ecrt_master_slave_config(
>                     master, AnaInSlavePos, Beckhoff_EL3102))) {
>         fprintf(stderr, "Failed to get slave configuration.\n");
>         return -1;
>     }
>
> #if SDO_ACCESS
>     fprintf(stderr, "Creating SDO requests...\n");
>     if (!(sdo = ecrt_slave_config_create_sdo_request(sc_ana_in, 0x3102, 2,
> 2))) {
>         fprintf(stderr, "Failed to create SDO request.\n");
>         return -1;
>     }
>     ecrt_sdo_request_timeout(sdo, 500); // ms
> #endif
>
> #if CONFIGURE_PDOS
>     printf("Configuring PDOs...\n");
>     if (ecrt_slave_config_pdos(sc_ana_in, EC_END, el3102_syncs)) {
>         fprintf(stderr, "Failed to configure PDOs (3102).\n");
>         return -1;
>     }
>
>     if (!(sc = ecrt_master_slave_config(
>                     master, AnaOutSlavePos, Beckhoff_EL4132))) {
>         fprintf(stderr, "Failed to get slave configuration.\n");
>         return -1;
>     }
>
>     if (ecrt_slave_config_pdos(sc, EC_END, el4132_syncs)) {
>         fprintf(stderr, "Failed to configure PDOs (4132).\n");
>         return -1;
>     }
>
>     if (!(sc = ecrt_master_slave_config(
>                     master, DigOutSlavePos, Beckhoff_EL2004))) {
>         fprintf(stderr, "Failed to get slave configuration.\n");
>         return -1;
>     }
>
>     if (ecrt_slave_config_pdos(sc, EC_END, el2004_syncs)) {
>         fprintf(stderr, "Failed to configure PDOs (2004).\n");
>         return -1;
>     }
>
>     if (!(sc = ecrt_master_slave_config(
>                     master, DigInSlavePos, Beckhoff_EL1004))) {
>         fprintf(stderr, "Failed to get slave configuration.\n");
>         return -1;
>     }
>
>     if (ecrt_slave_config_pdos(sc, EC_END, el1004_syncs)) {
>         fprintf(stderr, "Failed to configure PDOs (1004).\n");
>         return -1;
>     }
> #endif
>
>     // Create configuration for bus coupler
>     sc = ecrt_master_slave_config(master, BusCouplerPos, Beckhoff_EK1100);
>     if (!sc)
>         return -1;
>
>     if (ecrt_domain_reg_pdo_entry_list(domain1, domain1_regs)) {
>         fprintf(stderr, "PDO entry registration failed (EK1100)!\n");
>         return -1;
>     }
>
>     //printf("Activating master...\n");
>     if (ecrt_master_activate(master))
>         return -1;
>
>     if (!(domain1_pd = ecrt_domain_data(domain1))) {
>         return -1;
>     }
>
> #if PRIORITY
>     pid_t pid = getpid();
>     if (setpriority(PRIO_PROCESS, pid, -19))
>         fprintf(stderr, "Warning: Failed to set priority: %s\n",
>                 strerror(errno));
> #endif
>
>     sa.sa_handler = signal_handler;
>     sigemptyset(&sa.sa_mask);
>     sa.sa_flags = 0;
>     if (sigaction(SIGALRM, &sa, 0)) {
>         fprintf(stderr, "Failed to install signal handler!\n");
>         return -1;
>     }
>
>     //printf("Starting timer...\n");
>     tv.it_interval.tv_sec = 0;
>     tv.it_interval.tv_usec = 250;//1000000 / FREQUENCY;
>     tv.it_value.tv_sec = 0;
>     tv.it_value.tv_usec = 1000;
>     if (setitimer(ITIMER_REAL, &tv, NULL)) {
>         fprintf(stderr, "Failed to start timer: %s\n", strerror(errno));
>         return 1;
>     }
>
>     while (1) {
>         pause();
>
> #if 0
>         struct timeval t;
>         gettimeofday(&t, NULL);
>         printf("%u.%06u\n", t.tv_sec, t.tv_usec);
> #endif
>
>         while (sig_alarms != user_alarms) {
>             cyclic_task();
>             user_alarms++;
>         }
>     }
>
>     return 0;
> }
>
>
> /****************************************************************************/
>
>
>
>
>
>
> On Mon, Nov 22, 2010 at 11:43 PM, Andreas Stewering-Bone <ab at igh-essen.com
> > wrote:
>
>> Hello Newell,
>>
>> There seems to be a communication problem.
>>
>> can you reduce the slaves only using the EK1100 and the EL2004
>>
>> and post
>>
>> ethercat slaves -v
>>
>> and
>>
>> ethercat master -v
>>
>> and maybe your code
>>
>> Greatings
>>
>>
>> Andreas
>>
>>
>>
>> Newell Jensen schrieb:
>>
>>> Hello All,
>>>
>>> I am in the middle of trying to test a simple cyclic loop that toggles
>>> the digital output of the EL2004 which is attached to the EK1100.  We have
>>> an oscilloscope attached to this digital output so that we can verify the
>>> square waveform that is created from the toggling of this digital output to
>>> see how fast the system can respond.  However, we are getting some bleeps in
>>> this waveform and I believe they are coming from the following errors:
>>>
>>> [   24.920744] EtherCAT: Accepting device 00:04:5F:B0:8E:49 for master 0.
>>> [   24.920924] ec_generic: Binding socket to interface 3 (eth1).
>>> [   24.930057] EtherCAT 0: Starting EtherCAT-IDLE thread.
>>> [   25.532553] e1000e: eth1 NIC Link is Up 100 Mbps Full Duplex, Flow
>>> Control: None
>>> [   25.532724] 0000:02:00.0: eth1: 10/100 speed: disabling TSO
>>> [   25.533311] EtherCAT 0: Link state changed to UP.
>>> [   25.533401] ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready
>>> [   25.535026] EtherCAT 0: 5 slave(s) responding.
>>> [   25.535160] EtherCAT 0: Slave states: PREOP.
>>> [   25.537370] EtherCAT 0: Scanning bus.
>>> [   27.158003] e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow
>>> Control: RX/TX
>>> [   27.384322] EtherCAT WARNING 0: 1 datagram TIMED OUT!
>>> [   27.596617] EtherCAT ERROR 0-4: Reception of CoE upload request for
>>> SDO 0x1c12:0 failed with timeout after 1000 ms: No response.
>>> [   27.596636] EtherCAT ERROR 0-4: Failed to read number of assigned PDOs
>>> for SM2.
>>> [   28.596325] EtherCAT ERROR 0-4: Reception of CoE upload request for
>>> SDO 0x1c13:0 failed with timeout after 1000 ms: No response.
>>> [   28.596344] EtherCAT ERROR 0-4: Failed to read number of assigned PDOs
>>> for SM3.
>>> [   28.596355] EtherCAT 0: Bus scanning completed in 3061 ms.
>>> [   28.596364] EtherCAT ERROR 0: Failed to calculate bus topology.
>>> [  215.389287] EtherCAT WARNING 0: 1 datagram TIMED OUT!
>>> [  215.389324] EtherCAT WARNING 0: 1 datagram UNMATCHED!
>>> [  341.602318] EtherCAT WARNING 0: 1 datagram TIMED OUT!
>>> [  341.602339] EtherCAT WARNING 0: 1 datagram UNMATCHED!
>>> [  403.613306] EtherCAT WARNING 0: 1 datagram TIMED OUT!
>>> [  403.613369] EtherCAT WARNING 0: 1 datagram UNMATCHED!
>>> [  469.944365] EtherCAT WARNING 0: 1 datagram TIMED OUT!
>>> [  469.944387] EtherCAT WARNING 0: 1 datagram UNMATCHED!
>>> [  500.001363] EtherCAT WARNING 0: 1 datagram TIMED OUT!
>>> [  500.001384] EtherCAT WARNING 0: 1 datagram UNMATCHED!
>>> [  523.217296] EtherCAT WARNING 0: 2 datagrams TIMED OUT!
>>> [  523.217332] EtherCAT WARNING 0: 2 datagrams UNMATCHED!
>>> [  683.901311] EtherCAT WARNING 0: 1 datagram TIMED OUT!
>>> [  683.901395] EtherCAT WARNING 0: 1 datagram UNMATCHED!
>>> [  757.067347] EtherCAT WARNING 0: 1 datagram TIMED OUT!
>>> [  757.067368] EtherCAT WARNING 0: 1 datagram UNMATCHED!
>>> [  759.003291] EtherCAT WARNING 0: 1 datagram TIMED OUT!
>>> [  759.003331] EtherCAT WARNING 0: 1 datagram UNMATCHED!
>>> [ 1060.422312] EtherCAT WARNING 0: 1 datagram TIMED OUT!
>>> [ 1060.422370] EtherCAT WARNING 0: 1 datagram UNMATCHED!
>>> [ 1492.539299] EtherCAT WARNING 0: 1 datagram TIMED OUT!
>>> [ 1492.539339] EtherCAT WARNING 0: 1 datagram UNMATCHED!
>>> [ 2260.018306] EtherCAT WARNING 0: 1 datagram TIMED OUT!
>>> [ 2260.018364] EtherCAT WARNING 0: 1 datagram UNMATCHED!
>>> [ 2435.205290] EtherCAT WARNING 0: 1 datagram TIMED OUT!
>>> [ 2435.205325] EtherCAT WARNING 0: 1 datagram UNMATCHED!
>>>
>>>
>>> Any one have any ideas how I can get rid of all these different errors?
>>>
>>> Plus, we are shooting for having a system that polls (cyclic task) at 0.5
>>> ms (2 kHz) with a jitter of about 10 us and from everything that I have read
>>> in the ethercat master documentation pdf...it seems like this should not be
>>> a problem at all.
>>>
>>> My setup:
>>> Linux ubuntu-ioc 2.6.31-11-rt #154-Ubuntu SMP PREEMPT RT Wed Jun 9
>>> 12:28:53 UTC 2010 i686 GNU/Linux
>>> generic driver
>>> IgH EtherCAT master devel e9f722488fcd
>>>
>>> Thanks!
>>>
>>> --
>>>
>>> Newell
>>>
>>>
>>> ------------------------------------------------------------------------
>>>
>>> _______________________________________________
>>> etherlab-users mailing list
>>> etherlab-users at etherlab.org
>>> http://lists.etherlab.org/mailman/listinfo/etherlab-users
>>>
>>>
>>
>>
>> --
>>
>> ------------------------------------------------------------------------
>>
>> Dipl.-Ing. Andreas Stewering-Bone            Amtsgericht Essen HRB 11500
>> Ingenieurgemeinschaft IgH                    USt-Id.-Nr.: DE 174 626 722
>> Gesellschaft für Ingenieurleistungen mbH     Geschäftsführung:
>> Heinz-Bäcker-Str. 34                         Dr.-Ing. S. Rotthäuser
>>  D-45356 Essen                                Dr.-Ing. T. Finke
>> Tel.: +49 201 / 360-14-15                    Dr.-Ing. W. Hagemeister
>> Fax.: +49 201 / 360-14-14                    Tel.: +49 201 / 360-14-0
>> Andreas.Stewering-Bone at igh-essen.com         http://www.igh-essen.com
>> ------------------------------------------------------------------------
>>
>>
>
>
> --
>
> Newell
>
>
>


-- 

Newell
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