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SIMATIC S7-1200Analog modules© Siemens AG 2010SB 1232 analog output module4■ Overview• Analog output for the SIMATIC S7-1200• Can be plugged direct into the CPU■ ApplicationThe SB 1232 analog output signal board permits the use of analog■ Functionoutputs.This provides users with the following advantages:• Optimal adaptation:Signal boards can be used where space is limited or if only afew additional inputs/outputs are required. Each S7-1200 CPUcan be modularly expanded by a signal board. This does notincrease the mounting space required for the controller.• Direct connection of sensors and actuators:Up to 14 bit resolution and different output ranges permit theconnection of actuators without additional amplifier.• Flexibility:If the task is expanded subsequently, the controller can beupgraded. Updating of the user program is extremely simple.■ DesignThe signal boards are plugged directly into the receptacle on thefront of each S7-1200 CPU.• Mounting:Signal boards are plugged directly into the SIMATIC S7-1200CPU and are thus electrically and mechanically connected tothe CPU.• The CPU mounting dimensions remain unchanged.• All signal boards are easy to replace thanks to removable connectingterminals ("independent wiring").The SB 1232 analog output signal board converts digital signalsof the S7-1200 into analog signals for the process.■ Technical specifications6ES7 232-4HA30-0XB0Product type designation SB 1232 1 x AOSupply voltagesPower supply to thetransmitters• Supply current, max. 25 mACurrent consumptionfrom backplane bus 5 V DC, 15 mAtyp.Power lossPower loss, typ.1.5 WAnalog outputsNumber of analog outputs 1Cycle time (all channels)max.Output ranges, voltage• -10 to +10 VOutput ranges, current• 0 to 20 mAVoltage: 300 μS (R), 750 μS (1 uF)Current: 600 ms (1 mH); 2 ms (10 mH)YesYes6ES7 232-4HA30-0XB0Product type designation SB 1232 1 x AOLoad impedance (in ratedrange of output)• with voltage outputs, min. 1 000 Ω• with current outputs, max. 600 ΩAnalog value creationMeasurement principle DifferentialIntegrations and conversiontime/ resolution per channel• Resolution (incl. overrange) V / 12 bits, I / 11 bitsSmoothing of measuredvalues• parameterizableYesAnalog value generation(in isochronous mode)Cable length• Max. cable length, shielded 10 m; twistedErrors/accuraciesTemperature error25°C ±0.5% ... 55°C ±1%(relative to output area)4/70 Siemens ST 70 N · 2010