Related Special Auxiliary Relays And Special Data Registers - Delta AH500 Hardware Operation Manual

11.2.3 Related Special Auxiliary Relays and Special Data Registers

1. Descriptions of the related special auxiliary relays:
Device
SM1770 Executing an Ether Link (CPU)
SM1772 Executing an Ether Link (Port 0)
↓
SM1787 Executing an Ether Link (Port 15)
SM1788 Ether Link error (CPU)
SM1790 Ether Link error (Port 0)
↓
SM1805 Ether Link error (Port 15)
SM1806 Status of an Ether Link (CPU)
SM1808 Status of an Ether Link (Port 0)
↓
SM1823 Status of an Ether Link (Port 15)
SM1824
↓
Status of storage block 1~128
SM1951
2. Descriptions of the related special data registers:
Device
High word of the IP
SR1792 address to which storage
block 1 is connected
Low word of the IP address
SR1793 to which storage block 1 is
connected
High word of the IP
SR2046 address to which storage
block 128 is connected
Low word of the IP address
SR2047 to which storage block 128
is connected
Name
↓
↓
↓
Name R/W
R
R
R
R
C h a p t e r 11 C o n v e n i e n t F u n c t i o n s
R/W Description
OFF: The execution of an Ether Link stops.
R/W
ON: An Ether Link is executed.
OFF: The execution of an Ether Link stops.
R/W
ON: An Ether Link is executed.
OFF: An Ether Link is executed incorrectly.
R
ON: An Ether Link is executed correctly.
OFF: An Ether Link is executed incorrectly.
R
ON: An Ether Link is executed correctly.
OFF: The execution of an Ether Link stops.
R
ON: An Ether Link is executed.
OFF: The execution of an Ether Link stops.
R
ON: An Ether Link is executed.
OFF: A storage block is inactive in
performing data exchange.
R/W
ON: A storage block is active in performing
data exchange.
Description
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.
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.
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.
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.
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