6 Analog Value Processing
6.1 Analog Input Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 - 1
6.2 460-7LA12 Analog Input Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 - 2
6.2.1 Connecting Sensors to the 460 Analog Input Module . . . . . . . . . . . . 6 - 2
6.2.2 Startup of the 460 Analog Input Module . . . . . . . . . . . . . . . . . . . . . . . 6 - 8
6.3 463-4U... Analog Input Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 - 11
6.3.1 Connecting Sensors to the 463 Analog Input Module . . . . . . . . . . . . 6 - 11
6.3.2 463 Analog Input Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 - 14
6.4 Representation of the Digital Input Value . . . . . . . . . . . . . . . . . . . . . . 6 - 16
6.4.1 Digital Representation of a Measured Value
(460 Analog Input Module) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 - 16
6.4.2 Digital Representation of a Measured Value
(463 Analog Input Module) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 - 22
6.5 Wire-break Signalling and Scanning . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 - 26
6.6 Analog Output Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 - 28
6.6.1 Method of Operation of the Analog Output Modules . . . . . . . . . . . 6 - 28
6.6.2 Analog Output Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 - 29
6.7 Digital Representation of an Analog Value . . . . . . . . . . . . . . . . . . . . . 6 - 31
6.8 I/O Module Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 - 33
6.9 Analog Value Matching Blocks FB 250 and FB 251 . . . . . . . . . . . . . . . 6 - 37
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EWA 4NEB 811 6148-02