Chapter 2 Devices Note: As to the SR numbers marked “*”, users can refer to the additional remarks on special auxiliary relays/special data registers.
*1 ： Only available for AHCPU530-EN, AHCPU520-EN, AHCPU510-EN, AHCPU530-RS2, AHCPU520-RS2, and AHCPU510-RS2 *2 ： Only available for AHCPU530-EN, AHCPU520-EN, AHCPU530-RS2, and AHCPU520-RS2 *3 ： Only available for AHCPU530-EN and AHCPU530-RS2 *4 ： Only available for AHCPU531-EN and AHCPU521-EN *5 ： Only available for AHCPU531-EN 2-81 CPU5×0-RS2 CPU5×0-EN CPU5×1-RS2 CPU5×1-EN Attribute Default OFF STOP RUN SR Function ON RUN STOP ↓ SR1691 Length of the data which COM1 reads from slave 1~32 by Modbus × × ○ ○ – – – R/W 0 *SR1692 ↓ SR1723 Number of data which is written into slave 1~32 in the PLC Link ○ ○ × × – – – R/W 0 Length of the data which COM1 writes to slave 1~32 by Modbus × × ○ ○ – – – R/W 0 *SR1724 ↓ SR1755 Type of slave 1~32 in the PLC Link ○ ○ × × – – – R/W 0 *SR1756 ↓ SR1787 Address of slave 1~32 in the PLC Link ○ ○ × × – – – R/W 1 ↓ 32 Address of slave 1~32 for the Modbus connection of COM1 × × ○ ○ – – – R/W 1 ↓ 32 *SR1792 ↓ SR1823 IP address of block 1 in the Ether Link (SR1792 and SR1793) ↓ IP address of block 16 in the Ether Link (SR1822 and SR1823) × ○ – – – R 0 *SR1824 ↓ SR1855 IP address of block 17 in the Ether Link (SR1824 and SR1825) ↓ IP address of block 32 in the Ether Link (SR1854 and SR1855) ○*1 ○*1 × × – – – R 0 *SR1856 ↓ SR1919 IP address of block 33 in the Ether Link (SR1856 and SR1857) ↓ IP address of block 64 in the Ether Link (SR1918 and SR1919) ○*2 ○*2 × × – – – R 0 *SR1920 ↓ SR2047 IP address of block 65 in the Ether Link (SR1920 and SR1921) ↓ IP address of block 128 in the Ether Link (SR2046 and SR2047) ○*3 ○*3 × × – – – R 0