The drive has received a command value that has led to an axis position outside the positive travel range. The axis is stopped by setting the velocity command value to zero. A class 1 diagnostics error is not generated. The drive automatically follows command values that lead back to the valid range. Bit 2 of S-0-0090, Command Value Transmit Time (TMTSG) has been set to "Exceeding the travel limit is considered as a warning". Cause: The positive travel zone limit switch has been actuated. Remedial action: Specify command values that lead back to the valid range.
E844 Negative Travel Zone Limit Switch Activated
The drive has received a command value that has led to an axis position outside the negative travel range. The axis is stopped by setting the velocity command value to zero. A class 1 diagnostics error is not generated. The drive automatically follows command values that lead back to the valid range. Bit 2 of S-0-0090, Command Value Transmit Time (TMTSG) has been set to "Exceeding the travel limit is considered as a warning". Cause: The negative travel zone limit switch has been actuated. Remedial action: Specify command values that lead back to the valid range.
Command Diagnostic Messages
The commands serve the control of complex features in the drive. For example, the features "drive controlled homing procedure" or "communication phase 3 transition check" are defined as commands. Commands can start, interrupt or erase a primary control. A parameter belongs to each command whereby the command can be controlled by the parameter. During the command operation, the diagnostic message "Cx" appears in the H1 display where the x stands for the number of the command.
Common problem
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