CJ1W-NC214 Omron, CJ1W-NC214 Datasheet - Page 392
CJ1W-NC214
Manufacturer Part Number
CJ1W-NC214
Description
High Speed Pulse Train 2 Axes
Manufacturer
Omron
Datasheet
1.CJ1W-NC214.pdf
(601 pages)
Specifications of CJ1W-NC214
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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8
8-1 Outline of Data Transfer
8-19
Data Check
Check When You Transfer the Data with Data Transfer Bit
Check When You Transfer the Data with IOWR Instruction
The data checking method varies depending on the transfer method. Furthermore, an error may
occur depending on the transfer method when you transfer the type of data that exist in multiple
sequences.
When you write data with the data transfer bit, the data is first received in the receive buffer. If
the received data are within the normal range, all data is written to the axis parameters and the
memory operation data.
If even one data item is in an abnormal range, a warning is output and all received data is
discarded.
Note, however, that the data is not checked when it is written during a PCU setup. Check the
consistency of all data when you save the data.
Furthermore, although you can write all data during a PCU setup, you can only write the data
that are rewritable at any time during a normal operation. For details, refer to "Operation status
and Data Transfer" on page 8-20.
When you use the data transfer bit, you can transfer the type of data that exist in multiple
sequences.
When you write data with the IOWR instruction, the data is written, not to the receive buffer,
but directly to the axis parameters, the memory operation data, etc.
If even one data item is in an abnormal range, a warning is output and all received data is
discarded.
When you transfer the memory operation data with the IOWR instruction, you cannot transfer
the data that exist in multiple sequences. Always transfer data within 1 sequence. An error
occurs if you transfer the type of data that exist in multiple sequences.
IOWR instruction
Overwriting is possible
within 1 sequence
Overwriting possible
OK
Sequence 2 data
Sequence 3 data
Sequence 4 data
50 words
50 words
50 words
CJ Position Control Units OPERATION MANUAL (CJ1W-NC214/234/414/434)
IOWR instruction
Overwriting not possible
NG
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