Omron CJ1W-ECT21 Operation Manual page 89

First Word In IN Data Area
Use this device variable to refer to the starting word that is allocated for receiving data from the Ether-
CAT master (TxPDO).
Name of device variable
for CJ-series Unit
*_RefInAreaOffset
 Reference First Input Word in Memory for the EtherCAT Slave Unit IN Data
Area
Area type in memory for
CJ-series Unit
---
CIO Area (CIO)
Data Memory (DM)
Work Area (WR)
Holding Area (HR)
Expansion Data Memory (EM)
Bank 0 to Bank C
*1. Expansion Data Memory (EM) areas vary for NJ-series CPU Unit models. Check the NJ-series CPU Unit spec-
ifications for bank availability.
IN Data Area Size
Use this device variable to refer to the IN data area size that is allocated for receiving data from the
EtherCAT master (TxPDO).
Name of device variable
for CJ-series Unit
*_RefInAreaSize
CJ-series EtherCAT Slave Units Operation Manual for NJ-series CPU Unit (W542)
Type R/W
WORD R
Do not use
16#0000 to 17FF
16#0000 to 7FFF
16#0000 to 01FF
16#0000 to 01FF
16#0000 to 7FFF
(E0_00000 to E0_32767, ···, EC_00000 to EC_32767) for all banks
*1
Type R/W
UINT R
3 Data Exchange with the CPU Unit
Name
First word in IN data References the IN data area start-
area ing word.
Data range is based on the area
type. Refer to Reference First Input
Word in Memory for the EtherCAT
Slave Unit IN Data Area on page
3-27 for the data range of each
area type.
Default: 16#0000
Word range
Name
IN data area size References the IN data area size.
Data range of 0, 50, 100, 200 or
400 is possible.
Default: 0
Function
Function
3 - 27
3