
Index
S7-400 Automation System Module Data
Reference Manual, Edition 09/2009, A5E00850736-06
481
QV
Meaning, 452
R
Rack
CR2, 43
CR3, 45
Design, 37
ER1, 46
ER2, 46
Functions, 37
UR1, 39
UR2, 39
UR2-H, 41
Rack number
Changing, 349
Radio interference
Emission of, 30
RAM
Meaning, 452
RAM error
Analog input module, 244
Rating plate, 21
RC network, 407
Reading
Diagnostic messages, 99, 242
Reading analog values
STEP 7 blocks, 179
Receive IM
Operator controls and indicators, 349, 356, 359
Operator controls and indicators, 353
REDF
Meaning, 452
Reducing
Vibrations, 34
Redundant operation, 51
Redundant power supply modules, 51
Reference channel error
Analog input module, 245
Testing, 310
Reference junction, 234
Analog input module, 218
Connecting, 235
Reference junction temperature for thermocouples
Compensating, 232
Reference temperature
Analog input module, 218
Relay modules
cULus approval, 25
Relay output module
Features, 94
SM 422, DO 16 x UC 30/230 V/Rel.5 A, 174
Repeater see RS 485 repeater, 403
Replugging
Measuring range module, 206
Representation of analog value
for resistance thermometer Cu 10 Climatic, 195
Representation of analog values, 184
Binary representation of input ranges, 186
binary representation of output ranges, 201
for ±1 V to ±10 V voltage measuring range, 188
for ±25 to ±500 V voltage measuring range, 188
For analog input channels, 185
for analog output channels, 201
for resistance thermometer Cu 10 Climatic, 195
for resistance thermometer Cu 10 standard, 195
for resistance thermometer Ni x00 Standard, 194
for resistance thermometer Pt x00 Climatic, 193,
194
for resistance thermometers Pt 100, 200, 500,
1000, 193
for resistance-type sensors from 48 Ω to 6 kΩ, 192
for thermocouple type E, 196
for thermocouple type L, 198
for thermocouple type N, 198
for thermocouple type T, 199
for thermocouple type U, 200
for thermocouple types R, S, 199
for thermocouples type B, 196
for thermocouples type J, 197
for thermocouples type K, 197
for voltage measuring ranges, 188
for voltage output ranges, 203
for voltage output ranges ± 10 V, 203
in current measuring ranges 0 to 20 mA, 190
in current measuring ranges 4 to 20 mA, 191
in the 0 to 20 mA and 4 to 20 mA current output
ranges, 204
in the 0 V to 10 V and 1 V to 5 V voltage measuring
ranges, 203
in the 1 V to 5 V and 0 V to 10 V voltage measuring
ranges, 189
in the current output range ±20 mA, 204
in the current output ranges, 204
Representation of analog values in the ±3.2 mA to
±20 mA current measuring ranges, 190
Resistance measurement
SM 431, AI 8 x 14 Bit, 271, 282
Resistance thermometers and resistors
Connecting, 228
Resolution, 184
Response time, 214, 215
Reusing
FOC, 387
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