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SB 1231 analog input module

Article number		6ES7231-4HA30-0XB0
		SIGNAL BOARD SB 1231, 1 AI
General information
Product type designation		SB1231 AI 1x12 BIT
Supply voltage
Rated value (DC)
? 24 V DC		Yes
Input current
from backplane bus 5 V DC, typ.		55 mA
Power loss
Power loss, typ.		0.4 W
Analog inputs
Number of analog inputs		1; Current or voltage differential inputs
permissible input voltage for current input (destruction limit), max.		± 35 V
permissible input voltage for voltage input (destruction limit), max.		35 V
permissible input current for voltage input (destruction limit), max.		40 mA
permissible input current for current input (destruction limit), max.		40 mA
Cycle time (all channels) max.		156.25 µs; 400 Hz suppression
Input ranges
? Voltage		Yes; ±10V, ±5V, ±2.5V
? Current		Yes; 0 to 20 mA
? Thermocouple		No
? Resistance thermometer		No
? Resistance		No
Input ranges (rated values), voltages
? -10 V to +10 V		Yes
? -2.5 V to +2.5 V		Yes
? -5 V to +5 V		Yes
Input ranges (rated values), currents
? 0 to 20 mA		Yes
Analog outputs
Number of analog outputs		0
Analog value generation for the inputs
Measurement principle		integrating
Integration and conversion time/resolution per channel
? Resolution with overrange (bit including sign), max.		11 bit; + sign
? Integration time, parameterizable		Yes
? Interference voltage suppression for interference frequency f1 in Hz		40 dB, DC to 60 Hz
Smoothing of measured values
? parameterizable		Yes
? Step: None		Yes
? Step: low		Yes
? Step: Medium		Yes
? Step: High		Yes
Errors/accuracies
Temperature error (relative to input range), (+/-)		25 °C ±0.3%, to 55 °C ±0.6% total measurement range
Interrupts/diagnostics/status information
Alarms		Yes
Diagnostic functions		Yes
Alarms
? Diagnostic alarm		Yes
Diagnostic messages
? Wire-break		No
Diagnostics indication LED
? for status of the inputs		Yes
? for maintenance		Yes
Degree and class of protection
Degree of protection acc. to EN 60529
? IP20		Yes
Standards, approvals, certificates
CE mark		Yes
CSA approval		Yes
FM approval		Yes
RCM (formerly C-TICK)		Yes
Ambient conditions
Free fall
? Fall height, max.		0.3 m; five times, in product package
Ambient temperature during operation
? permissible temperature range		-20 °C to +60 °C horizontal mounting, -20 °C to 50 °C vertical mounting, 95% humidity, non-condensing
? min.		-20 °C
? max.		60 °C
Pollutant concentrations
— SO2 at RH < 60% without condensation		S02: < 0.5 ppm; H2S: < 0.1 ppm; RH < 60% condensation-free
Connection method
required front connector		Yes
Mechanics/material
Enclosure material (front)
? Plastic		Yes
Dimensions
Width		38 mm
Height		62 mm
Depth		21 mm
Weights
Weight, approx.		35 g