General information
Product type designation		SM 1232, AQ 4x14 bit
Supply voltage
Rated value (DC)		24 V
Input current
Current consumption, typ.		45 mA
from backplane bus 5 V DC, typ.		80 mA
Power loss
Power loss, typ.		1.5 W
Analog outputs
Number of analog outputs		4; Current or voltage
Output ranges, voltage
● -10 V to +10 V		Yes
Output ranges, current
● 0 to 20 mA		Yes
Load impedance (in rated range of output)
● with voltage outputs, min.		1 000 !&
● with current outputs, max.		600 !&
Cable length
● shielded, max.		100 m; shielded, twisted pair
Analog value generation for the outputs
Integration and conversion time/resolution per channel
● Resolution with overrange (bit including sign), max.		14 bit; Voltage: 14 bit; Current : 13 bit
Errors/accuracies
Temperature error (relative to output range), (+/-)		25 °C ±0.3%, to 55 °C ±0.6% total measurement range
Basic error limit (operational limit at 25 °C)
● Voltage, relative to output range, (+/-)		0.3 %
● Current, relative to output range, (+/-)		0.3 %
Interference voltage suppression for f = n x (f1 +/- 1 %), f1 = interference frequency
● Common mode voltage, max.		12 V
Interrupts/diagnostics/status information
Alarms		Yes
Diagnostics function		Yes
Alarms
● Diagnostic alarm		Yes
Diagnoses
● Monitoring the supply voltage		Yes
● Wire-break		Yes
● Short-circuit		Yes
Diagnostics indication LED
● for status of the outputs		Yes
● for maintenance		Yes
Degree and class of protection
IP degree of protection		IP20
Standards, approvals, certificates
CE mark		Yes
CSA approval		Yes
UL approval		Yes
cULus		Yes
FM approval		Yes
RCM (formerly C-TICK)		Yes
KC approval		Yes
Marine approval		Yes
Ecological footprint
● environmental product declaration		Yes
Global warming potential
— global warming potential, (total) [CO2 eq]		36.4 kg
— global warming potential, (during production) [CO2 eq]		7.46 kg
— global warming potential, (during operation) [CO2 eq]		29.1 kg
— global warming potential, (after end of life cycle) [CO2 eq]		-0.18 kg
Ambient conditions
Free fall
● Fall height, max.		0.3 m; five times, in product package
Ambient temperature during operation
● min.		-20 °C
● max.		60 °C
● horizontal installation, min.		-20 °C
● horizontal installation, max.		60 °C
● vertical installation, min.		-20 °C
● vertical installation, max.		50 °C
Ambient temperature during storage/transportation
● min.		-40 °C
● max.		70 °C
Air pressure acc. to IEC 60068-2-13
● Operation, min.		795 hPa
● Operation, max.		1 080 hPa
● Storage/transport, min.		660 hPa
● Storage/transport, max.		1 080 hPa
Relative humidity
● Operation at 25 ℃ without condensation, max.		95 %
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		45 mm
Height		100 mm
Depth		75 mm
Weights
Weight, approx.		180 g