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Programming | 7
JX3-BN-EC User Manual
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Register numbering system
The register numbers consist of a prefix, the ENN, the module position within the
system and the module-specific register number.
12
NN
XX
ZZZZ
Fig. 13:
Example:
Register numbers
Digits
Description
value range
12
Prefix
NN
Bus node ID, ENN
01 … 99
XX
Position of the module within the
station
02 … 33
ZZZZ
Module register number
0000 … 9999
I/O numbering system
The inputs or outputs of the module are directly accessed via I/O numbers. The
I/O numbers consist of prefix 1, the ENN, prefix 2, the module position in the sys-
tem and the module-specific I/O number.
12
NN
00
XX
ZZ
Fig. 14:
Example:
I/O numbers
Digits
Description
value range
12
Prefix 1
NN
Bus node ID, ENN
01 … 99
00
Prefix 2
XX
Position of the module within the
station
02 … 33
ZZ
Module-specific I/O number
01 … 16