Table of contents
Figures
10-Bit Character Frame. ............................................................................................................. 23
Character Delay Time . ............................................................................................................... 24
RS 422 Point-to-Point . ............................................................................................................... 40
RS 485 Point-to-Point . ............................................................................................................... 40
RS 422 Multipoint....................................................................................................................... 41
RS 485 Multipoint....................................................................................................................... 42
Block Checksum . ....................................................................................................................... 44
Figure B-1
X27 Cable for CP 440 - CP 340/CP 341/CP 440/CP 441 for RS 422 Operation (Four-
Wire)......................................................................................................................................... 145
Figure B-2
X27 Cable for CP 440 - CP 340/CP 341/CP 440/CP 441 for RS 485 Operation
(Two-Wire)................................................................................................................................ 146
Operation (Four-Wire Mode) . ................................................................................................... 147
12
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Point-to-point connection CP 440 Installation and Parameter Assignment
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Manual, 09/2007, A5E00057742-03