AI, 12 Bit, I

AI 2 x I, 0/4-20 mA, ±20 mA, 12 Bit
AI 2 x I, 0/4-20 mA, ±20 mA, 12 Bit

AI 2x I, 0/4-20 mA, ±20 mA, 12 Bit

Parameters for the module

  • Diagnostic alarm: On | Off
  • Overflow / underflow diagnosis: On | Off
  • Representation values: SIMATIC* S7 | SIMATIC* S5

 

Parameters for each channel

  • Wire break detection (only for 4 ... 20 mA): On | Off
  • Interference frequency suppression: None | 10 Hz | 50 Hz | 60 Hz | 400 Hz
  • Measuring ranges: Deactivated | 0 ... 20 mA | 4 ... 20 mA | ±20 mA
  • Limit value alarms enabled: On | Off
  • Upper/lower limit: 16 bit analog value (±27648)

  • Measuring ranges 0 ... 20 mA, 4 ... 20 mA, ±20 mA, individually configurable for each channel
  • Measurement resolution: 11 bit + sign
  • Suitable for 2- and 4-wire transmitters
  • Diagnostic messages
  • Wire break detection (for 4 ... 20 mA)
  • Limit value alarms for each channel
  • A bi-color LED (blue/red) indicates the module operating status and any malfunctions
  • 2 analog inputs for measuring current, electrically isolated from the backplane bus
  • 2 process input words
Download PDF datasheet
General information
Order number600-250-4AB01
Article nameAI 2x I, 0/4...20 mA, ±20 mA, 12 bit
Scope of deliveryAI 2x I, 0/4...20 mA, ±20 mA, 12 bit
Dimensions (DxWxH)110 x 14 x 73 mm
WeightApprox. 70 g
Number of inputs2
Electrical isolation
from the backplane busYes
Between the channelsNo
Current draw
ExternalNot needed
InternalMax. 95 mA
Power dissipationMax. 0.7 W
Measuring ranges / load resistance0 ... 20 mA / 50 ohms, 4 ... 20 mA / 50 ohms, ±20 mA / 50 ohms
Measuring methodIntegration
Measurement resolution11 bit + sign
Interference frequency suppressionNone | 10 Hz | 50 Hz | 60 Hz | 400 Hz
Refresh rate / conversion rateNumber of active channels x conversion time + 16 ms for wire break detection when activated.
The conversion time will depend on the interference frequency suppression:
None: 8 ms
400 Hz: 45 ms
60 Hz: 109 ms
50 Hz: 128 ms
10 Hz: 342 ms
DiagnosesUpper measuring range limit exceeded (overflow), lower measuring range limit fallen below (underflow), wire break (for 4 ... 20 mA only), parameter assignment error
Process alarmsUpper and lower limit per channel
Error limits
Operational error limit in the entire temperature range±0.5 % relative to the nominal range
Basic error limit at 25 °C±0.3 % relative to the nominal range
Temperature error±0.005 %/K relative to the nominal range
Linearity error±0.05 %/K relative to the nominal range
Repeating accuracy in steady state at 25 °C±0.05 %/K relative to the nominal range
Parameter configuration length12 bytes
General error indicatorRed LED
Hot-swap capableYes
Ambient conditions
Ambient temperature0 °C … +60 °C
Transport and storage temperature-20 °C … +80 °C
Relative air humidity95 % r H without condensation
Protection ratingIP 20
CertificationsCE, UL
UL
Surrounding Air Temperature0 °C … +60°C
Pollution degree2
CE
Noise immunityDIN EN 61000-6-2 “EMC Immunity”
Interference emissionDIN EN 61000-6-4 “EMC Emission”
Vibration and shock resistanceDIN EN 60068-2-6:2008 „Vibration“, DIN EN 60068-2-27:2010 „Shock"
RoHSYes
REACHYes

Technical Documentation

 NameVersionSizeTags
TB20, Manual Modules 15 8 MBTB20, Manual Modules

Flyers

 NameVersionSizeTags
Flyer, TB20 IO-system for numerous applications 11-2017 4 MBTB20 IO-system for numerous applications

Planning Tools

 NameVersionSizeTags
AI 2x I, 0/4...20 mA, ±20 mA, 12 Bit, STEP Files 3 MBAI 2x I, 0/4...20 mA, ±20 mA, 12 Bit, STEP Files
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* SIMATIC is a registered trademark of Siemens AG.