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Chapter 5: Word and Bit References 43

The following is the format for a bit referenced within a word.

[XY/B]

X Memory type (AC and R - for 325 and 330 models)

Y Word address (leading zeroes not required)

/ Delimiter to separate bit number

B Bit number in the range (0-17, 0-7 for Data Register)

[W:RY/B]

W Designating word reference

: Word designator/address separator

R Memory type (R - for 325 and 330 models)

Y Word address

/ Delimiter to separate bit number

B Bit number in the range (0-17)

The following is the format for a single bit reference (device).

[XY]

X Memory type (IO, T, TC C, and SG)

Y Bit address (leading zeroes not required)

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Siemens SIMATIC TI505 Wartungshandbuch Seite 46