Reading/Writing A Parameter - Fuji Electric ALPHA7 User Manual

3.4.6

Reading/writing a Parameter

To read or write a parameter, enter the SEL3, SEL2, SEL1 and SEL0 bits as shown in the table below
and switch the IQ area of the SX bus to that of parameter reading/writing, and designate the page to be
edited (PA*_) and number and set the data.
Reading/writing is executed at the activating edge of the read command or overwrite command.
Data selection (14 word 8 to 11bit)
SEL3 SEL2 SEL1
OFF OFF ON
OFF ON OFF
OFF ON OFF
ON ON OFF
Address
15 14 13
0
1
2
3
4
5
6
－ － －
7
OUT3 OUT4 OUT5
8
9
10
11
12
13
14
－ － －
15
CONT6 CONT7 CONT8
When SEL3, SEL2, SEL1 and SEL0 are updated, CSEL3, CSEL2, CSEL1 and CSEL0 are updated to
the same pattern, indicating that the IQ area is changed.
While the IQ area is the parameter reading/writing area, immediate value positioning and positioning
data operation may not be started. (Operation in progress continues.) In addition, you cannot edit
positioning data or monitor the current value. Speed operation, homing and interrupt positioning can be
executed.
Parameter data
SEL0 0,1 word [Read]
ON PA1_
OFF PA2_
ON PA3_
ON PA4_
12 11 10 9
Parameter read value
Unused
CSEL3 CSEL2 CSEL1 CSEL0
－
OUT6 OUT7 OUT8 OUT9
Parameter setting
Unused
Unused
SEL3 SEL2 SEL1
－
CONT9 CONT10 CONT11 CONT12 CONT13 CONT14 CONT15 CONT16 CONT17 CONT18 CONT19
CHAPTER 3 OPERATION
No./data selection
8,9 word 6 word
[Write] 0 to 7bit [Set]
PA1_ Parameter no.
PA2_ Parameter no.
PA3_ Parameter no.
PA4_ Parameter no.
bit
8 7 6 5
Unused
Unused
Parameter no. [Check]
OUT10 OUT11 OUT12 OUT13 OUT14 OUT15 OUT16
Unused
SEL0 Parameter no. [Set]
Operation with LS Type
14 word
0 to 7bit [Check]
Parameter no.
Parameter no.
Parameter no.
Parameter no.
4 3 2 1 0
Unused
Over write Read
completion completion
Unused
Unused Unused
Write Read
command command
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