2-2
FINS Commands Supported by NX-
series CPU Units
This section describes FINS commands supported by the NX-series CPU Unit, restrictions, and execu-
tion conditions.
For details about each FINS command, refer to the SYSMAC CS/CJ/CP/NSJ-series Communications
Commands Reference Manual (Cat. No. W342).
FINS Commands Supported by NX-series CPU Units and Restric-
tions
The following describes FINS commands supported by the NX-series CPU Units and restrictions when
they are used.
Command code
(Hex)
Command name Restrictions
MR SR
01 01 MEMORY AREA READ Only areas that exist in the memory of CJ-series Units are acces-
sible.
01 02 MEMORY AREA WRITE
01 03 MEMORY AREA FILL
01 04 MULTIPLE MEMORY
AREA READ
01 05 MEMORY AREA
TRANSFER
05 01 CPU UNIT DATA READ
Only the following values can be read.
*1
• CPU Unit model
• CPU Unit version
06 01 CPU UNIT STATUS
READ
Only the following values can be read.
*4
*4
*4
• Operation status
• Operating mode
07 01 CLOCK READ None
07 02 CLOCK WRITE
*1. Fixed values are returned for the following values.
• DIP switch information: Fixed at 0
• Program area size: Fixed at 14 hex.
• Timer/counter size: Fixed at 08 hex.
• Memory card type: SD Memory Card
fixed at 04 hex. (regardless of the presence status)
• SD memory card size: SD Memory Card fixed at FFFF hex. when a memory card is inserted. Fixed at 00
hex. when a memory card is not inserted
• Remote I/O information: Fixed at 0
*2. Two pieces of information shown below are processed as error information of the NX-series.
• Fatal error information: A value of 0000 hex. is returned when the major fault level is normal. A value of
0001 hex. is returned when the major fault level is abnormal.
• Non-fatal error information: A value of 0000 hex. is returned when the partial fault level or minor fault level
is normal. A value of 0001 hex. is returned when the partial fault level or minor fault level is abnormal.
*3. All below values are returned fixed at 0.
"CPU status", "Battery presence", "Built-in flash memory access status", "Message presence", "Failure
code"
2 Server Function
2-3
NX-series CPU Unit FINS Function User's Manual (W596)
2-2 FINS Commands Supported by NX-ser-
ies CPU Units
2
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