Siemens S7-400PLC Spezifikationen Seite 9

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Table of contents
S7-400 Automation System Module Data
Reference Manual, Edition 09/2009, A5E00850736-06
9
5 Analog modules..................................................................................................................................... 179
5.1 General information ...................................................................................................................179
5.2 Module overview ........................................................................................................................180
5.3 Steps for commissioning analog modules .................................................................................183
5.4 Representation of analog values ...............................................................................................184
5.4.1 General information ...................................................................................................................184
5.4.2 Representation of analog values of analog input channels.......................................................185
5.4.3 Binary representation of input ranges........................................................................................186
5.4.4 Representation of analog values in voltage measuring ranges.................................................188
5.4.5 Representation of analog values in the current measuring ranges ...........................................190
5.4.6 Representation of analog values for resistance-type sensors...................................................192
5.4.7 Representation of analog values for resistance thermometer...................................................193
5.4.8 Representation of analog values for thermocouples .................................................................196
5.4.9 Representation of analog values for analog output channels....................................................201
5.5 Setting the measuring method and ranges of analog input channels........................................205
5.6 Behavior of the analog modules ................................................................................................208
5.6.1 Introduction ................................................................................................................................208
5.6.2 Effect of supply voltage and operating mode.............................................................................209
5.6.3 Effect of the value range for analog values ...............................................................................210
5.6.4 Effect of operational limit and basic error limit...........................................................................211
5.7 Conversion, cycle, settling and response time of analog modules............................................212
5.8 Assigning parameters to analog modules..................................................................................216
5.8.1 General information about parameter assignment ....................................................................216
5.8.2 Parameters of analog input modules .........................................................................................217
5.8.3 Parameters of analog output modules.......................................................................................219
5.9 Connecting sensors to analog inputs.........................................................................................220
5.10 Connecting voltage sensors.......................................................................................................223
5.11 Connecting current sensors .......................................................................................................224
5.12 Connecting resistance thermometers and resistors ..........
........................................................228
5.13
Connecting therm
ocouples ........................................................................................................231
5.14 Connecting loads/actuators to analog outputs...........................................................................237
5.15 Connecting loads/actuators to voltage outputs..........................................................................238
5.16 Connecting loads/actuators to current outputs ..........................................................................241
5.17 Diagnostics functions of analog modules ..................................................................................242
5.18 Interrupts of analog modules .....................................................................................................246
5.19 Analog input module SM 431; AI 8 x 13 Bit (6ES7431-1KF00-0AB0).......................................248
5.19.1 Features.....................................................................................................................................248
5.19.2 Commissioning the SM 431; AI 8 x 13 Bit .................................................................................254
5.19.3 Measuring methods and measuring ranges of SM 431; AI 8 x 13 Bit .......................................255
5.20 Analog input module SM 431; AI 8 x 14 Bit (6ES7431-1KF10-0AB0).......................................257
5.20.1 Features.....................................................................................................................................257
5.20.2 Commissioning the SM 431; AI 8 x 14 Bit .................................................................................267
5.20.3 Measuring methods and measuring ranges of SM 431; AI 8 x 14 Bit .......................................269
5.21 Analog input module SM 431; AI 8 x 14 Bit (6ES7431-1KF20-0AB0).......................................274
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