TB20 AI, 16 Bit, I

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)
  • Channels electrically isolated from each other and from the backplane bus
  • Measuring ranges 0 ... 20 mA, 4 ... 20 mA, ±20 mA, individually configurable for each channel
  • Measurement resolution: up to 15 bits + sign
  • 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
  • Red/green bi-color LEDs (one for each channel) indicate the channel status
  • analog inputs for measuring current
Electrical isolation
from the backplane busYes
Between the channelsYes
Current draw
ExternalNot needed
InternalMax. 140 mA
Power dissipation Max. 1 W
Measuring ranges / load resistance0 ... 20 mA / 50 ohms, 4 ... 20 mA / 50 ohms, ±20 mA / 50 ohms
Measuring methodIntegration
Measurement resolution15 bits + sign
Interference frequency suppressionNone | 10 Hz | 50 Hz | 60 Hz | 400 Hz
Refresh rate / conversion rateThe conversion time will depend on the interference frequency suppression:
None: 2 ms
400 Hz: 8 ms
60 Hz: 51 ms
50 Hz: 60 ms
10 Hz: 160 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 alarms Upper and lower limit per channel
Error limits
Operational error limit in the entire temperature range ±0.2 % relative to the nominal range
Basic error limit at 25 °C±0.1 % 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 length44 Bytes
General error indicator Red LED
Hot-swap capableYes

Omschrijving

Bestelnummer

AI 2 x I, 0/4-20 mA, ±20 mA, Iso., 16 Bit600-250-7BB01
AI 4 x I, 0/4-20 mA, ±20 mA, Iso., 16 Bit600-250-7BD01
AI 8 x I, 0/4-20 mA, ±20 mA, Iso., 16 Bit600-250-7BH21