Bosch PIF6..T1.. Spezifikationen PDF herunterladen (Seite 29)

ECODRIVE Drive Controller DKC02.1

DOK-ECODRV-SSE-03VRS**-WAR1-EN-P • 12.96 Warning Diagnostic Messages 3-3

E255 Feedrate Override(S-0-0108) = 0

The parameter S-0-0108, Feedrate override permits the travel velocity

of drive-controlled motion commands to be modified.

This warning is output if the parameter is 0. The drive cannot follow

pending command values in this case.

Cause:

1. The feedrate potentiometer of the connected controller is set to

zero or is incorrectly be interpreted.

2. The parameter has been set to an incorrect value.

Remedial action:

Ref. 1. Check the feedrate potentiometer

Ref. 2 Set the parameter to the value that is correct for the application.

E256 Torque Limit = 0

Cause:

1. Protection against mechanical overload can be provided by

limiting the maximum torque through the parameter S-0-0092,

Bipolar Torque/Force Limit Value. If the current value of that

parameter is zero, the motor does not develop a torque and does

not follow the specified command values.

Remedial action:

Ref. 1. Set the torque limit to a value that is greater than zero.

E257 Continuous Current Limiting Active

The thermal load of the drive controller is monitored. If the drive is

requested to provide a command current profile that represents too high

a loading on the power transistors (excessive temperature of the power

output stage), the drive responds with dynamically reducing the effective

peak current, and outputs this warning. The parameter P-0-4046, Active

peak current is reduced.

Cause: Overload of the drive controller.

Remedial action:

1. Check the amplifier rating.

2. Reduce the acceleration.

Check whether the drive conditions of a system that has been

used for a long time have changed in the meantime (pollution,

friction, moved masses, etc.).

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Bosch PIF6..T1.. Spezifikationen Seite 29