TB20 Analogue I/O
AI 2xTC Iso 16bit
AI 2xV 16Bit iso
AI 4xI 12Bit
AI 4xI Iso 16bit
AI 4xV 12Bit
AI 8xI Iso 16bit
AI 8xTC Iso 16bit
AO 4xI 12Bit
AO 4xV 12Bit
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Part Number:
600-250-7BD01
Description:
4 Analogue inputs Current Isolated
AI 4 x I, 0/4-20 mA, ±20 mA, Iso., 16 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)
Channel LED signals
Flashing red light - Parameter assignment error on channel
Solid red light - Reading overflow/underflow or wire break
Flashing green light - Reading within overrange
Solid green light - Channel configured, normal reading
Off - Channel disabled or module not yet configured
• 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
• 4 analog inputs for measuring current
• 4 process input words
General information
Dimensions (DxWxH) 110 x 14 x 73 mm
Weight Approx. 80g
Number of inputs 4
Electrical isolation from the backplane bus
Electrical isolation Between the channels
Current draw Internal Max. 140 mA
Power dissipation Max. 1 W
Measuring ranges / load resistance 0 ... 20 mA / 50 ohms, 4 ... 20 mA / 50 ohms, ±20 mA / 50 ohms
Measuring method - Integration
Measurement resolution 15 bits + sign
Interference frequency suppression - None | 10 Hz | 50 Hz | 60 Hz | 400 Hz
Refresh rate / conversion rate:
The conversion time will depend on the interference frequency suppression:
None: 2.5 ms, 400 Hz: 8 ms, 60 Hz: 51 ms, 50 Hz: 60 ms, 10 Hz: 160 ms
Diagnoses - Upper 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 length - 24 Bytes
General error indicator - Red LED
Hot-swap capable - Yes
Ambient temperature - 0 °C … +60 °C
Transport and storage temperature -20 °C … +80 °C
Relative air humidity - 95 % r H without condensation
Protection rating -IP 20
Certifications - CE, UL
Surrounding Air Temperature - 0 °C … +60°C
Noise immunity - DIN EN 61000-6-2 EMC Immunity
Interference emission DIN EN 61000-6-4 EMC Emission
Vibration and shock resistance DIN EN 60068-2-8:2008 Vibration, DIN EN 60068-27:2010 Shock
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