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Disconnected module ID information storage area
■Address
Name
Disconnected module ID information storage area
■Description
• These areas store the ID of the slave module in which the transmission cable is broken as the disconnected module ID in
ascending order.
• Up to 256 IDs are stored.
• For ID numbers stored, refer to the following.
Page 59 Remote Address Change Function
• The stored value is maintained until the concerned slave module is powered off and on or Error reset request flag (RY0) is
turned on after the error is cleared.
• If the disconnection error automatic recovery function is enabled, the error flag is automatically cleared (only the ID for
which the error has been cleared) after the error is cleared.
• After automatic address detection, the data are updated as soon as a response error is detected.
• For the number of disconnected module IDs, refer to the following.
Page 143 Number of the IDs of the disconnected modules
Disconnected module ID information bit area
■Address
Name
Disconnected module ID information bit area
■Description
These areas show the disconnected module IDs stored in Disconnected module ID information storage area (address: 5100H
to 51FFH) in bits instead of in words.
It is turned off (0) when there is no error and is turned on (1) when an error occurs.
The following table lists the assignment of the remote buffer memory addresses.
Address
Disconnected module ID
b15
b14
5200H
FH
EH
5201H
1FH
1EH
527EH
7EFH
7EEH
527FH
7FEH
Connected module ID information storage area
■Address
Name
Connected module ID information storage area
■Description
• These areas store the ID information of all the slave modules connected to the NZ2AW1GNAL in the ascending order.
• For ID numbers stored, refer to the following.
Page 59 Remote Address Change Function
• Information of the stored ID is maintained even after power-off.
• The data are updated when automatic address detection is completed.
• For the number of connected module IDs, refer to the following.
Page 144 Number of the IDs of the connected modules
b13
b12
b11
b10
b9
DH
CH
BH
AH
9H
1DH
1CH
1BH
1AH
19H
7EDH
7ECH
7EBH
7EAH
7E9H
7FDH
7FCH
7FBH
7FAH
7F9H
Address
5100H to 51FFH
Address
5200H to 527FH
b8
b7
b6
b5
8H
7H
6H
5H
18H
17H
16H
15H
7E8H
7E7H
7E6H
7E5H
7F8H
7F7H
7F6H
7F5H
Address
5300H to 53FFH
Appendix 3 Remote Buffer Memory
b4
b3
b2
b1
b0
4H
3H
2H
1H
0H
14H
13H
12H
11H
10H
7E4H
7E3H
7E2H
7E1H
7E0H
7F4H
7F3H
7F2H
7F1H
7F0H
APPX
A
165
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