Siemens S7-400PLC Dokumentacja Strona 469

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S7-400 Automation System Module Data
Reference Manual, Edition 09/2009, A5E00850736-06
469
Index
2
24 VDC fan subassembly
Features, 400
Installation, 401
Specifications, 401
wiring, 400
2-conductor connection, 230
2-wire transducer, 224
3
3-conductor connection, 229
4
4-conductor connection, 228
4-wire transducer, 226
A
Abbreviations, 451
AC
Meaning, 451
Accessories
Order numbers, 443
S7400, 443
ADC
Meaning, 451
ADC-DAC error
Analog input module, 244
Additional support, 4
Address area
Setting, 369
Addressing
S5 modules, 363
AI
Meaning, 451
SM 431
Block diagram, 294
Features, 293
Specifications, 296
Wiring diagram, 295
Ambient conditions, 34
Climatic, 35
IM 463-2, 361
Mechanical, 34
Analog functions
STEP 7 blocks, 179
Analog input channels
Basic execution time, 212
Conversion time, 212
Cycle time, 212
Measuring method, 205
Measuring range, 205
Representation of analog values, 185
Analog input module
ADC-DAC error, 244
SM 431, 293
Auxiliary voltage missing, 244
Causes of error and remedies, 244
Channel error, 244
Channel information available, 244
Configuration error, 244
Connecting resistance thermometers, 228
Connecting resistors, 228
Connecting sensors, 220
Connecting thermocouples, 231
Diagnostic data, 435
Diagnostic interrupt, 217
diagnostic message in measured value, 242
Diagnostic messages, 242
Diagnostics, 217
EPROM error, 244
External error, 244
Front connector missing, 244
Hardware interrupt lost, 244
Incorrect parameters, 244
Internal error, 244
isolated, 220
Limit, 217
Measurement, 217
Measuring method, 217
Measuring range, 218
Measuring range module incorrect/missing, 244
Module error, 244
No parameters, 244
Noise suppression, 218
non-isolated, 220
Overflow, 245
Parameter assignment error, 244
Parameters, 217, 418
potential difference, 220
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