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3. CC-LINK COMMUNICATION FUNCTIONS
3.5.4 Instruction codes (RWwn+2
RWwn+3)
Refer to section 3.6.2 for the instruction code timing charts.
(1) Read instruction codes
The word data requested to be read with the instruction code 0000h to 0AFFh is read by Read code
(RWrn+3).
Set the command code No. corresponding to the item to RWrn+2. The codes and answer data are all 4-
digit hexadecimal numbers.
Setting any command code No. that is not given in this section will set the error code (
1 ) to respond
code (RWrn+2). At this time, "0000" is set to Reading data (RWrn+3).
Code No. Item/Function
Reading data (RWrn
3) contents
(Servo amplifier
Programmable controller)
0000h Operation mode
Reads the current operation mode.
0000: CC-Link operation mode
0001: Test operation mode
0002h Travel multiplying factor
Reads the multiplying factor of the position
data in the point table set in parameter No.
PA05.
Travel multiplying factor
0300: 1000
0200: 100
0100: 10
0000: 1
0010h Current alarm (warning) reading
Reads the alarm No. or warning No. occurring
currently.
0
Occurring alarm No./warning No.
0
0020h Alarm number in alarm history
(most recent alarm)
0021h Alarm number in alarm history
(first recent alarm)
0022h Alarm number in alarm history
(second recent alarm)
0023h Alarm number in alarm history
(third recent alarm)
0024h Alarm number in alarm history
(fourth recent alarm)
0025h Alarm number in alarm history
(fifth recent alarm)
0
Alarm No. that occurred in past
0
0030h Alarm occurrence time in alarm history
(most recent alarm)
0031h Alarm occurrence time in alarm history
(first recent alarm)
0032h Alarm occurrence time in alarm history
(second recent alarm)
0033h Alarm occurrence time in alarm history
(third recent alarm)
0034h Alarm occurrence time in alarm history
(fourth recent alarm)
0035h Alarm occurrence time in alarm history
(fifth recent alarm)
Occurrence time of alarm that occurred in pas
t