TB20 AI, 12 Bit, U, ±24V

Parameters for the module

Parameters for each channel

Measuring ranges 0 ... 24 V, ±24 V, individually configurable for each channel
Measurement resolution: 11 bit + sign
Diagnostic messages
Limit value alarms for each channel
A bi-color LED (blue/red) indicates the module operating status and any malfunctions

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Electrical isolation
	from the backplane bus	Yes
	Between the channels	No
Internal	Max. 95mA
Power dissipation	Max. 0.7 W
Measuring ranges / load resistance	0 … 24 V/30 kohm, ±24 V/30 kohm
Measuring method	Integration
Measurement resolution	12 bits + sign
Interference frequency suppression	None \| 10 Hz \| 50 Hz \| 60 Hz \| 400 Hz
Refresh rate / conversion rate	Number of active channels x conversion time +16 ms for wire break detection for each channel 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
Diagnoses	Upper measuring range limit exceeded (overflow), lower measuring range limit fallen below (underflow), wire break (for 1 ... 5 V only), parameter assignment error
Process alarms	Upper 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 length	22 bytes
General error indicator	Red LED
Hot-swap capable	Yes