6F3B0250
6. Programming Information
6.4 I/O allocation
The external input signals are allocated to the external input devices/registers (X/XW). The external output signals are allocated to the external output devices/registers (Y/YW). The register numbers of the external input and output registers are consecutive. Thus one register number can be assigned for either input or output.
As for the T1/T1S basic unit, I/O allocation is fixed as follows.
X000X007
T1-16
Y020Y027
X000X00D
Y020Y02D
X000 |
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| X017 |
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T1-40 / T1-40S
Inputs: 8 points (X000 - X007)
Outputs: 8 points (Y020 - Y027)
Inputs: 14 points (X000 - X00D)
Outputs: 14 points (Y020 - Y02D)
Inputs: 24 points (X000 - X017)
Outputs: 16 points (Y020 - Y02F)
Y020 |
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| Y02F |
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Any operation for the I/O allocation are not required if only the T1/T1S basic unit is used.
However, if the option cards, the Expansion unit and/or the T2 I/O modules are used with the
Basic Hardware and Function 107
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