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Appendices
A-4
CJ-series PROFIBUS Slave Unit Operation Manual for NJ-series CPU Unit (W510)
CIO n (Software Switches)
The device variable for CJ-series Unit that corresponds to all bits of a word in CIO n is as follows:
The device variables for CJ-series Units that correspond to bits 0 to 15 of a word in CIO n are as fo
llows:
CIO n+1 (Status Flags)
The device variable for CJ-series Unit that corresponds to all bits of a word in CIO n + 1is as follows:
The device variables for CJ-series Units that correspond to bits 0 to 15 of a word in CIO n + 1 are as
follows:
Special I/O Units Area (Allocated CIO Area Words)
CJ-series I/O memory address
NJ-series device variables for CJ-series Unit
Word address
Bit
Variable name
Description
CIO n
0 to 15
*_SwCmd
Software Switches
CJ-series I/O memory address
NJ-series device variables for CJ-series Unit
Word address
Bit
Variable name
Description
CIO n
0
*_StartCommCmd
Start Communication
1
*_StopCommCmd
Stop Communication
2 to 15
Undefined
Reserved by system
CJ-series I/O memory address
NJ-series device variables for CJ-series Unit
Word address
Bit
Variable name
Description
CIO n + 1
0 to 15
*_SlvSta
Status flags
CJ-series I/O memory address
NJ-series device variables for CJ-series Unit
Word address
Bit
Variable name
Description
CIO n + 1
0
*_DatXchgActSta
Data exchange active
1
*_ClearSta
CLEAR
2
*_FreezeSta
FREEZE
3
*_SyncSta
SYNC
4
*_WdtDsblSta
Watchdog disabled
5
*_WdtTmBaseSta
Watchdog timebase 1 ms
6
*_FailSafeEnblSta
Fail-safe enabled
7
Undefined
Reserved by system
8
*_ParamErr
Parameter/configuration error
9 to 11
Undefined
Reserved by system
12
*_StartAdrInErr
Incorrect start address for slave input
area
13
*_EndAdrInErr
Incorrect end address for slave input
area
14
*_StartAdrOutErr
Incorrect start address for slave output
area
15
*_EndAdrOutErr
Incorrect end address for slave output
area