Rockwell-automation 1772-LP3 PLC - 2/30 Programmable Controller Progra Uživatelský manuál stáhnout pdf (Strana 36)

100

101

Data Table

Chapter 3

39

Each bit in the input image table may have a corresponding real hardware

terminal on the I/O rack associated with it, although this may not always

be the case, since a corresponding input module may not actually be placed

in an I/O rack slot. If it does, the terminal address is the same as the bit

address. The correspondence between the two is illustrated in Figure 3.4.

CAUTION: Bit and/or word storage is not possible in the

input image table. Input bits which do not have an actual input

module in the I/O rack corresponding to address are cleared to

zero during each I/O scan.

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 ... 345 346

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