Siemens Simatic S7-400 - Purpose of the Manual; Basic Knowledge Required; Range of Validity; General Technical Data

4.20 Digital output module SM 422; DO 16 x AC 20-120 V/2 A (6ES7422-5EH00-0AB0)..........153
4.20.1 Features...............................................................................................................................153
4.20.2 Assigning parameters to the SM 422; DO 16 x AC 20-120 V/2 A........................................157
4.21 Relay output module SM 422; DO 16 x UC 30/230 V/Rel. 5 A (6ES7422-1HH00-0AA0)....158
5 Analog modules........................................................................................................................................163
5.1 General information..............................................................................................................163
5.2 Module overview..................................................................................................................164
5.3 Steps for commissioning analog modules............................................................................167
5.4 Representation of analog values..........................................................................................167
5.4.1 General information..............................................................................................................167
5.4.2 Representation of analog values of analog input channels..................................................169
5.4.3 Binary representation of input ranges..................................................................................170
5.4.4 Representation of analog values in voltage measuring ranges ..........................................172
5.4.5 Representation of analog values in the current measuring ranges......................................174
5.4.6 Representation of analog values for resistance-type sensors.............................................176
5.4.7 Representation of analog values for resistance thermometer ............................................177
5.4.8 Representation of analog values for thermocouples............................................................180
5.4.9 Representation of analog values for analog output channels..............................................185
5.5 Setting the measuring method and ranges of analog input channels..................................189
5.6 Behavior of the analog modules...........................................................................................192
5.6.1 Introduction..........................................................................................................................192
5.6.2 Effect of supply voltage and operating mode.......................................................................193
5.6.3 Effect of the value range for analog values..........................................................................194
5.6.4 Effect of operational limit and basic error limit.....................................................................195
5.7 Conversion, cycle, settling and response time of analog modules......................................196
5.8 Assigning parameters to analog modules............................................................................199
5.8.1 General information about parameter assignment...............................................................199
5.8.2 Parameters of analog input modules...................................................................................201
5.8.3 Parameters of analog output modules.................................................................................203
5.9 Connecting sensors to analog inputs...................................................................................204
5.10 Connecting voltage sensors.................................................................................................207
5.11 Connecting current sensors.................................................................................................208
5.12 Connecting resistance thermometers and resistors.............................................................212
5.13 Connecting thermocouples..................................................................................................215
5.14 Connecting loads/actuators to analog outputs.....................................................................219
5.15 Connecting loads/actuators to voltage outputs....................................................................220
5.16 Connecting loads/actuators to current outputs.....................................................................222
5.17 Diagnostics functions of analog modules.............................................................................223
5.18 Interrupts of analog modules................................................................................................227
5.19 Analog input module SM 431; AI 8 x 13 Bit (6ES7431-1KF00-0AB0)..................................229
5.19.1 Features...............................................................................................................................229
Table of contents
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08 9