26: LONWORKS INTERFACE MODULE
OPENNET CONTROLLER USER’S MANUAL 26-17
Example 3: Error Data in Register C012h
When error data enters register C012h in the L
ONWORKS interface module, the data is transferred to a link register in the
CPU module as illustrated below:
Example 4: I/O Counts in Link Register L*13
When 8 bytes (output) and 4 bytes (input) are selected as the transmit and receive data quantities in
WindLDR Function
Area Settings, respectively, these values are stored to link register L*13 in the CPU module, and the data is transferred to
register C013h in the LONWORKS interface module as illustrated below:
Note: Link register L*13 is for read only. Do not write data into L*13.
Example 5: Software Version in Register C018h and Expansion Module ID in Register C019h
When a software version number is stored to register C018h in the LONWORKS interface module, or when an expansion
module ID is stored to register C019h in the LONWORKS interface module, the data is transferred to a link register in the
CPU module as illustrated below:
Register in the
L
ONWORKS Interface Module
C012h (8 bits)
b7 b6 b5 b4 b3 b2 b1 b0
MSB
1000001
LSB
0
Link Register L*12
in the CPU Module
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
MSB
100000100000000
LSB
0
Link Register L*13
in the CPU Module
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
MSB
100001000000000
LSB
0
Register in the
L
ONWORKS Interface Module
C013h (8 bits)
Transmit Byte Count (8) Receive Byte Count (4)
b7 b6 b5 b4 b3 b2 b1 b0
MSB
1000010
LSB
0
Register in the
L
ONWORKS Interface Module
C018h or C019h (8 bits)
b7 b6 b5 b4 b3 b2 b1 b0
MSB
0100000
LSB
0
Link Register L*24 or L*25
in the CPU Module
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
MSB
010000000000000
LSB
0
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