Specifications

20 Gear Drive, Plymouth Industrial Park, Terryville, CT 06786 page: 38
Tel: [phone] Fax: [phone] E-mail: Sales @amci.com
3401 Manual
Point I/O Stepper Module
Revision 2.0
Limit Input Configured as an Emergency Stop
The Emergency Stop Input causes the current move operation to stop without any deceleration. The
pulse signal is simply removed. The Position Invalid Input Bit will be set if the channel was moving
when this input became active. The channel will have to be Preset or Homed again before an
Absolute Move operation can be performed. However, it will be possible to perform a Relative or a
Manual Move after the Emergency Stop Input has been used.
Limit Input Configured as a CW Over Travel Limit Switch
The CW Over Travel Limit Switch will act exactly as the Emergency Stop input if it is reached
during an Absolute, Relative, or Blend Moves. It will also stop CW Manual Move operations, but not
CCW Manual Move operations. If the Limit Input is reached during a CW Home operation, the
direction of motion will be reversed and the 3401 module will search for the home input in the CCW
direction.
Limit Input Configured as a CCW Over Travel Limit Switch
The CCW Over Travel Limit Switch will act exactly as the Emergency Stop input if it is reached
during an Absolute, Relative, or Blend Moves. It will also stop CCW Manual Move operations, but
not CW Manual Move operations. If the Limit Input is reached during a CCW Home operation, the
direction of motion will be reversed and the 3401 module will search for the home input in the CW
direction.
Specification Revision History:
Revision 0.0 was released on 7/19/04 and was the preliminary release of the procedure.
Revision 1.0 was released on 5/16/05. Chapters were added showing how to install the module on various
networks and a chapter was added showing how to calculate a move profile.
Revision 2.0 was released on 4/13/12. The following changes were made.
• The name was changed from 3401 specifications to 3401 Manual.
• A note was added that the only five modules can be installed at one time and that an additional power
supply can be used to add more modules.
• A note was added that the modules will be warmer than standard Point I/O modules.
• Information that the 3401 can be used in a 1769-L18 system was added.
File: 3401_manual.doc
Date: 4/13/12