Specifications

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3401 Manual
Point I/O Stepper Module
Revision 2.0
BLEND MOVE PROGRAMMING ROUTINE
The following is a description of how the Blend Move Profile will be programmed. For this description,
the 3401 module is plugged into slot 2 of the Point I/O rack.
Note: Programming the configuration data will clear a stored blend move profile from the 3401 modules
memory.
1. The Point I/O processor writes the first programming block and sets the PROGRAM BLEND
MOVE PROFILE bit (OUTPUT WORD 1 bit 8) and it sets BLEND MOVE TRANSMIT bit
(OUTPUT WORD 1 bit 9) to validate the data part.
2. The 3401 module responds by setting the BLEND MOVE ACKNOWLEDGE bit (INPUT WORD
1 bit 9). If an error is detected, it also sets the INVALID PROFILE bit (INPUT WORD 0 bit 9),
and the Error LED in which case the dialog will be terminated and the PLC processor will have to
perform a RESET ERRORS operation.
3. When the Point I/O processor detects that the BLEND MOVE ACKNOWLEDGE bit is set, it
resets the BLEND MOVE TRANSMIT BIT (OUTPUT WORD 1 bit 9).
4. The 3401 module detects that the BLEND MOVE TRANSMIT bit is reset, and resets the BLEND
MOVE ACKNOWLEDGE bit (INPUT WORD 1 bit 9).
5. Steps 1 … 4 are repeated for the remaining data parts until the entire blend move profile has been
entered. The maximum number of segments per profile is 16.
6. After the last segment has been transferred, the Point I/O processor exits Blend Move Mode by
resetting bit PROGRAM BLEND MOVE PROFILE (OUPTUT WORD 1 bit 8).