Chapter 11 Convenient Functions
11-59
11.2.3 Related Special Auxiliary Relays and Special Data Registers
1. Descriptions of the related special auxiliary relays:
SM1770 Executing an Ether Link (CPU) R/W
OFF: The execution of an Ether Link stops.
ON: An Ether Link is executed.
SM1772
↓
Executing an Ether Link (Port 0)
↓
Executing an Ether Link (Port 15)
R/W
OFF: The execution of an Ether Link stops.
ON: An Ether Link is executed.
SM1788 Ether Link error (CPU) R
OFF: An Ether Link is executed incorrectly.
ON: An Ether Link is executed correctly.
↓
Ether Link error (Port 0)
↓
Ether Link error (Port 15)
R
OFF: An Ether Link is executed incorrectly.
ON: An Ether Link is executed correctly.
SM1806 Status of an Ether Link (CPU) R
OFF: The execution of an Ether Link stops.
ON: An Ether Link is executed.
SM1808
↓
Status of an Ether Link (Port 0)
↓
Status of an Ether Link (Port 15)
R
OFF: The execution of an Ether Link stops.
ON: An Ether Link is executed.
SM1824
↓
SM1951
Status of storage block 1~128 R/W
OFF: A storage block is inactive in
performing data exchange.
ON: A storage block is active in performing
2. Descriptions of the related special data registers:
SR1792
High word of the IP
address to which storage
block 1 is connected
R
High word of the IP address to which storage block
1 is connected
Example: If the remote IP address is 192.168.1.100,
the value in SR1792 will be 0xC0A8.
SR1793
Low word of the IP address
to which storage block 1 is
connected
R
Low word of the IP address to which storage block 1
is connected
Example: If the remote IP address is 192.168.1.100,
the value in SR1793 is 0x0164.
….
SR2046
High word of the IP
address to which storage
block 128 is connected
R
High word of the IP address to which storage block
128 is connected
Example: If the remote IP address is 192.168.1.100,
the value in SR2046 will be 0xC0A8.
SR2047
Low word of the IP address
to which storage block 128
is connected
R
Low word of the IP address to which storage block
128 is connected
Example: If the remote IP address is 192.168.1.100,
the value in SR2047 will be 0x0164.