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7-436
SP.DEVST
7.18.14 Writing Data to Standard ROM (SP.DEVST)
SP.DEVST
*1:Devices assigned as local devices can not be used.
Function
(1) Writes device data for the number of points specified at n2 of the device to the write
offset, which is specified for n1, of the device data storage file in the standard ROM.
n1 is the offset from the head of device data storage file and specified by word offset (in units
of 16-bit words).
(2) Since the device data write position completion device ( +0) in the standard ROM
automatically turns ON at execution of the END instruction, which detects the completion of
this instruction, and turns OFF with the END instruction of next scan, it is used as an
execution completion flag of this instruction.
(3) When this instruction is completed in error, the error completion device ( +1) turns ON/
OFF at the same timing with the completion device ( +0). This device is used as an error
completion flag of this instruction.
n1: Write offset of the device data storage file (specified in units of 16-bit words) (BIN 32-bit)
: Head device number written to the standard ROM (device name)
n2: The number of write points (BIN 16-bit)
: +0 : FCompletion device (bit)
+1 : FError completion device (bit)
Setting
Data
Internal Devices
R, ZR
J\
U\G
Zn
Constants
K,H
Other
Bit Word Bit Word
n1 –– –– ––
–– –– –– ––
n2 –– –– ––
*1
––
*1
–– –– ––
Universal
Basic
Process
High
performance
Redundant
SP.DEVST
SP.DEVST n2Sn1 D
Command
S
D D
D
S
D
S
Number of
n2 points
Head device
number
Write offset n1
Standard ROM
Device data
storage file
Write offset of device
data stofage file
Write
offset
+0
+1
+2
S
16-bit
D
D
D