Models ESM303 & ESM303H Test Stands User’s Guide
screws, as illustrated below:
5.4.3 Overload protection
The available interface cable is required for overload protection of a Mark-10 force gauge or load cell. If
overload protection is installed and enabled, the crosshead will stop when the programmed percentage of
full scale of the instrument has been reached.
When overload protection is installed, if the cable is disconnected, and/or if the instrument is powered off,
an error message will appear. Plug in the cable and/or turn on the instrument to clear the message.
Note:
When the crosshead is moving in the tension direction, only the tension overload setting is active. When
the crosshead is moving in the compression direction, only the compression overload setting is active.
5.5 Auto return mode
In this mode the crosshead moves at the set speed to whichever limit it encounters first and stops. Then,
the crosshead returns at maximum speed to the opposite limit, whichever occurs first, and stops. Press
either directional button to initiate an Auto Return sequence.
The crosshead can be stopped at any time during an Auto Return sequence by pressing STOP. To
resume the test, press either directional button.
Note:
If the crosshead has stopped at a soft limit, the limit condition may be overridden by pressing and holding
either directional button for two seconds.
5.6 Cycling mode
This mode cycles the crosshead between limits, whichever occurs first. One cycle consists of the
following steps:
1. Crosshead moves to a limit at the specified speed.
2. Crosshead stops for the specified amount of dwell time.
3. Crosshead reverses direction, returns to the other limit at the specified speed, and stops for
the specified amount of dwell time.
A cycling sequence can be initiated from any position and can start in either direction. To initiate a cycle
sequence, press either directional button. During a cycle sequence, a counter will be displayed, indicating
the number of cycles remaining, as shown below:
As in Basic Mode, the min, max, and set soft keys are active during crosshead movement.
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