Products for Totally Integrated Automation and Micro ... - Siemens

© Siemens AG 2010SIMATIC S7-1200Analog modulesSM 1234 analog input/output module■ Technical specifications (continued)6ES7 234-4HE30-0XB06ES7 234-4HE30-0XB0Product type designationSM 1234 AI 4 x13 bit AQ 2 x14 bitProduct type designationSM 1234 AI 4 x13 bit AQ 2 x14 bitCurrent input• permissible input currentfor current input (destructionlimit), max.40 mABasic error limit (operationallimit at 25 °C)• Voltage, relative to outputarea+/- 0,3 %Temperature compensation• Temperature compensation NoparameterizableAnalog outputsNumber of analog outputs 2; Current or voltageOutput ranges, voltage• -10 to +10 VYesOutput ranges, current• 0 to 20 mAYesLoad impedance (in ratedrange of output)• with voltage outputs, min. 1000Ω• with current outputs, max. 600 ΩAnalog value creationMeasurement principle DifferentialIntegrations and conversiontime/ resolution per channel• Resolution (incl. overrange) Voltage: 14 bits; Current : 13 bits• Resolution with overrange 12 bit; + sign(bit including sign), max.• Integration time, parameterizableYes• Interference voltage suppressionfor interferencefrequency f1 in HzSmoothing of measuredvalues• parameterizable• Step: None• Step: Low•Step: Medium• Step: HighErrors/accuraciesTemperature error(relative to input area)Temperature error(relative to output area)Basic error limit(operational limit at 25 °C)• Voltage, relative to inputarea• Current, relative to inputarea40 dB, DC to 60 V for interferencefrequency 50 / 60 HzYesYesYesYesYes25°C ±0.1% to 55°C ±0.2%total measurement range25°C ±0.3% to 55°C ±0.6%total measurement range+/- 0,1 %+/- 0,1 %• Current, relative to outputareaInterference voltagesuppression forf = n x (fl +/- 1%),fl = interference frequency• common mode voltage,max.Interrupts/diagnostics/status informationAlarms•Alarms• Diagnostic alarmDiagnoses• Diagnostic functions• Monitoring the supplyvoltage to the electronics• Wire break• Short circuitDiagnostics indication (LED)• for status of inputs• for status of outputs• for maintenanceGalvanic isolationGalvanic isolation analogoutputs• between the channels andthe power supply of theelectronicsClimatic and mechanicalconditions for storage andtransportClimatic conditions forstorage and transport• Free fall- Max. height of fall(in packaging)•Temperature- permissible temperaturerange• Atmospheric pressure acc.to IEC 60068-2-13- permissible atmosphericpressure• Relative humidity- permissible range(without condensation)at 25 °C+/- 0,3 %12 VYesYesYesYesYesYesYesYesYesNo0.3 m; five times, in shipping package-40 °C ... +70 °C1080 to 660 hPa95%4Siemens ST 70 N · 20104/73