19 CC-LINK INSTRUCTIONS
19.1 Reading Data from the Target Station
1645
19
■Access/attribute code
• When data is read from the buffer memory within the CC-Link module
• When data is read from a CPU module device
*1 Only the above devices can be specified. To read data from a bit device, specify it with 0 or a multiple of 16.
*2 None of D65536 and the subsequent extended data registers and of W10000 and the subsequent extended link registers are accepted.
Contents of buffer memory Access code Attribute code
Buffer in intelligent device 00H 04H
Buffer in master, local, or standby master station Random access buffer 20H 04H
Remote input 21H 04H
Remote output 22H 04H
Remote register 24H 04H
Link special relay 63H 04H
Link special register 64H 04H
Device category
*1
Name Date type Unit Access code Attribute code
Bit Word
Input relay X Hexadecimal 01H 05H
Output relay Y Hexadecimal 02H 05H
Internal relay M Decimal 03H 05H
Latch relay L Decimal 83H 05H
Link relay B Hexadecimal 23H 05H
Timer (contact) T Decimal 09H 05H
Timer (coil) T Decimal 0AH 05H
Timer (current value) T Decimal 0CH 05H
Retentive timer (contact) ST Decimal 89H 05H
Retentive timer (coil) ST Decimal 8AH 05H
Retentive timer (current value) ST Decimal 8CH 05H
Counter (contact) C Decimal 11H 05H
Counter (coil) C Decimal 12H 05H
Counter (current value) C Decimal 14H 05H
Data register
*2
D Decimal 04H 05H
Link register
*2
W Hexadecimal 24H 05H
File register R Decimal 84H 05H
Link special relay SB Hexadecimal 63H 05H
Link special register SW Hexadecimal 64H 05H
Special relay SM Decimal 43H 05H
Special register SD Decimal 44H 05H
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