Remedy Set the expected option module type in P the same for both axes, or cancel for axis B by setting P to 0. Remedy Enter value 1, 2 or 3 into P command parameter. Remedy Program the existing block number. The block numbers must be unique over all travers- ing blocks. Remedy Assign unique block numbers.
Remedy Select the existing block number. Program the traversing block with the selected block number. Remedy Program another command. Remedy Reset both input signals, and re-start the required function after the fault has been acknowledged. Remedy — Program this traversing block with block step enable END.
Remedy — Acknowledge fault — Move away in the positive direction e. Remedy — Acknowledge fault — Move away in the negative direction e. The behavior for software limit switch reached, can be set using P Remedy Place the parameter value within the value range. Remedy Change the dimension system setting P Remedy Use the valid positioning mode for this axis type. Remedy Program valid target position. Remedy Reduce maximum velocity P The fault can also occur if the software limit switches are inactive if the position actual value falls below the limit value of — MSR, that corresponds to revolutions for a rotary axis.
Remedy Return the drive into the traversing range using jog button 1 or 2. Then acknowledge the fault. The fault can also occur if the software limit switches are inactive if the position actual value exceeds the limit value of MSR, that corresponds to revolutions for a rotary axis.
Remedy Check the above mentioned parameters and correct. Remedy Block change enable or change P The fixed endstop lies outside the position programmed in this block. After interrupting the function, traverse to fixed stop, the drive was pushed out of its position drop position.
Remedy Check programming Increase kP if the drive was forced out of the position. Supplementary information: only for siemens-internal error diagnostics Remedy — Adjust the drive by setting the absolute value. Remedy Return the external position reference value to the value range. However, the value to be output can no longer be repre- sented in 32 bits and was therefore limited to the maximum values 0x7fffffff or 0x Cause The coupling was disconnected while a traversing task was running Remedy First exist the traversing task and then disconnect the coupling.
Remedy — Check the coupling configuration P — Set angular encoder interface P, P — Check the source of the external position reference value and input signal source.
An edge of the input signal is necessary to activate the coupling. A maximum of 16 positions can be saved in P Remedy Ensure that maximum 16 positions are saved. Remedy Ensure that the slave drive was stationary for at least 1 IPO clock cycle P , before the coupling for the next element in the position memory must be switched-in.
Remedy Only switch-out the coupling if the traversing program has been com- pleted. Remedy Only switch-in the coupling if the traversing program has been com- pleted. If the zero pulse is not found, the reference point offset P must also be increased at the master drive. EnDat encoders is only possible after the encoder has been adjusted. Remedy Adjust the drive by setting the absolute value. The following prerequisites must be available: — permanent position coupling exists to the master drive — Master drive must be precisely at its reference point — Slave drive has passed the zero mark.
Remedy — Establish a coupling at the slave drive: PosStw. Remedy Specify the valid and existing traversing block. Remedy Select the valid and existing traversing block. Remedy Generate the required standard block for the specified block number Enter the correct block number. Remedy Program traversing block positioning as absolute, absolute positive or absolute negative. Supplementary info Significance 0 the distance between the last two zero marks was not correct. Remedy Check cable and connections.
Remedy Check and correct specified parameters. Jogging incremental is not valid in this mode. An attempt was made to move an axis away from a software limit switch using incremental jogging — however the axis is not at the soft- ware limit switch, but behind it. An attempt was made while executing one or several traversing blocks also via an axis coupling to activate incremental jogging.
Remedy 1. Commission the drive in the positioning mode. Move back with jog key 1 or 2 with velocity. Interrupt traversing blocks with the operating condition, reject tra- versing task.
Still no zero mark found. Remedy Maintain the following sequence: 1. Remedy Reduce parameter P or reduce the velocity in the traversing block. BERO was not found. Remedy Activate motor data set 1 before the spindle positioning command. The detailed cause of the error can be taken from the help text associated with the warning that is entered as supplementary information.
This fault can be activated or suppressed using Parameter P Supplementary information: Warning number Remedy Change the input signals or suppress the fault using P For an active rotor position identification, the permissible current threshold was exceeded. The P gain of the controller P has been set too high. Remedy — Use the original Siemens pre-assembled encoder cables better screening — Check for sporadic interruptions loose contact, e. The motor absolute track CD track is monitored for an interrupted conductor.
For optical encoders, the absolute track supports the evalu- ation of the mechanical position within one motor revolution. For absolute encoders with EnDat interface, this fault displays an initialization error.
Note: Additional information on the reason for the fault is included in P IM diagnostics. Remedy — Incorrect encoder cable type — Check for sporadic interruptions loose contact, e. ERN instead of EQN — Check the encoder, encoder cables and connectors between the motor and control module — Replace control module — Replace encoder Acknowledgement POWER ON Stop response parameterizable Synchronization error rotor position Cause The difference between the actual rotor position and the new rotor posi- tion, which was determined by fine synchronization is greater than 45 degrees electrical.
When commissioning a linear motor with rotor position identification e. Remedy — Adjust the fine synchronization using P commissioning help function — Check encoder cable, encoder cable connection and grounding possibly EMC problems — Check the shield contact, front panel, control module upper screw — Replace control module — Exchange the encoder or motor Acknowledgement POWER ON Stop response parameterizable Zero mark monitoring, motor measuring system Cause The measured rotor position fluctuates between 2 encoder zero marks encoder lines may have been lost.
Note: The encoder monitoring function can be disabled using P Remedy — Encoder pulse number is too low, enter the actual encoder pulse number in P — Stop the belt slipping in open-loop torque controlled mode the belt slips — Check P rated motor speed — Check P maximum motor speed — Check P speed limiting — Check P motor pole pair number — Check P rated motor frequency Acknowledgement RESET FAULT MEMORY Stop response parameterizable Positive feedback identified Cause Ramp-up: The actual rotor position and the position information read-out of the encoder were compared with one another while booting and a deviation of more than 45 Degrees was identified, P[10].
This monitoring function can be set using P and P Remedy — This alarm can also occur when axes are mechanically blocked. Operational: — If the load oscillates strongly increase the delay for the monitoring P Measured phase currents are greater than the response value of the ground fault test configured in P or the motion is greater than the maximum permitted motion for the ground fault test configured in P Remedy — Ground fault in the power cables or at the motor.
During the ground fault test, at least one phase increases above the threshold P or P Detailed information can be taken from the diagnostics parameter P Acknowledgement POWER ON Stop response parameterizable Measuring circuit error, direct measuring system Cause The encoder signal level is too low, faulted incorrect shielding , or the cable breakage monitoring function has responded. Note: Additional information on the reason for the fault is included in P DM diagnostics.
ERN instead of EQN — Check the encoder, encoder cables and connectors between the encoder and control module — Replace control module — Replace encoder Acknowledgement POWER ON Stop response parameterizable Zero mark monitoring, direct measuring system Cause A fluctuation in the measured values has occurred between 2 encoder zero marks encoder pulses may have been lost.
Note: The encoder monitoring can be disabled using P The drive is immediately shut down 20 seconds after the heatsink temperature alarm in order to prevent the power section being thermally destroyed regenerative stop. Remedy Improve the drive module cooling, e. For the axis in the n-set mode, a position controller clock cycle of the master is entered via the clock-cycle synchronous PROFIBUS or the bus interface.
This position controller clock cycle differs from the parameterized position controller clock cycle P of the axis in the positioning mode. The position controller clock cycle of the master is obtained, in the n-set mode, from the DP clock cycle Tdp or the clock cycle of the bus interface multiplied by the time grid Tmapc.
Remedy For a clock cycle synchronous PROFIBUS isochronous or the bus interface, the clock cycles configured for the bus parameterization are aligned with the position controller clock cycle P from the position- ing axis and n-set axis.
The position controller clock cycle of the master is ob- tained from the DP clock cycle Tdp multiplied by the time grid Tmapc. Remedy For the clock-cycle synchronous PROFIBUS or the bus interface, the clock cycles configured for the bus parameterization are aligned with the position controller clock cycle P The permissible sign-of-life errors are specified using P bits 2—0 configuration. If the complete DP commu- nications permanently fails, at the latest after the response monitoring times specified when configuring the bus, fault is also output.
Remedy Check the master and bus connection to the master. As soon as cyclic data transfer runs again, the fault can be acknowledged. Set P to 0 in the passive axis. If the watchdog is de- activated, activate the response monitoring for this slave via Drive ES. As soon as cyclic data transfer runs again, the fault can be acknowl- edged. Remedy — Check whether the PROFIBUS master can operate in synchronism with the clock cycle, and that the necessary global-control frames are output for operation in synchronism with the clock cycle.
If P should be precisely 0, enter 0. Remedy Deselect the torque-controlled operation or leave the IM mode change- over speed P Then set P to —1 in order to save the serial number of the EnDat encoder. Learn more about us.
The store will not work correctly in the case when cookies are disabled. Shop Online. PLC Repairs. Sell to Us. About Us. Besuch aus Deutschland? Gehe zu DE Seite? Shopping around for this part? New Refurbished Repair. First Name. Last Name. Company Optional. Telephone Optional. Request Price. The additional smoothing functions in the speed controller loop damping mechanical resonance effects are described in Section 3.
Proceed as follows when optimizing the speed controller:. Integral action time T N. The potentiometer scale divisions in the setting tables are defined as follows:. The proportional gain Kp of the speed controller can be set using potentiometer Kp. The gain, set using the Kp potentiometer is additionally influenced by the setting of potentiometer T N.
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Siemens AG , , All Rights reserved. Subject to change without prior notice. Trained in rendering first aid. Hazardous axis motion can occur when working with the equipment. Note When handling cables observe the following they must not be damaged they must not be strained and they must not come into contact with rotating components.
Electronic boards should only be touched when absolutely necessary. We regularly evaluate and investigate equipment which is returned and in so doing we have identified some of the main fault causes, which in some cases results from incorrect handling during commissioning and troubleshooting. Check list The following check list should help you to simply commission the components we have supplied and guarantee a high availability when used in conjunction with your product or equipment.
Observe all of the ESD measures when handling components. Pay special atten- tion to the DC link bolt connections 1. Screw the control components into the power module. The DC link can only be charged again after it has cooled down for several minutes with the supply off. Ground all components and connect all of the shields. Connection X is grounded. Observe the load capability of the central power supply.
In operation, units with hard disks may only be stressed with a of max. Use the correct software for the particular unit. Their current drain must lie within the specified values.
CRT monitors may not be subject to magnetic fields e. Note Only in conjunction with power modules, Order No. Please observe the Planning Guide, Motors. Switch S 1. The drive is braked along the ramp. The drive brakes along the current limit. The NE drive brakes along the set limits.
Procedure: 1. Note In this way, operation can be continued, but without overvoltage protection. Table Terminal functions Term. Desi- Typ Max. It is not permissible to connect terminal 15 to PE or to terminal Terminal 19 can be connected with X Desi- Function Typ Typ. It may be necessary to reduce it still further depending on the mechanical system which is driven. The following formula is valid for S2.
Proceed as follows when optimizing the speed controller: 4. Tachometer adjustment 5. Gain Kp 6. Integral action time T N 7. Adaptation T N if required 8. The setting shown in the diagram corresponds to 7 scale divisions. Potentiometer Setting range T 0.
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