Article number	6ES7334-0CE01-0AA0	6ES7334-0KE00-0AB0
	SM334, 4AI, 2AO, non isolated	SM334, 4AI/2AO, 0-10V f.PT100
Supply voltage
Load voltage L+
● Rated value (DC)	24 V	24 V
● Reverse polarity protection		Yes
Input current
from supply and load voltage L+ (without load), max.	110 mA	80 mA
from backplane bus 5 V DC, max.	55 mA	60 mA
Power loss
Power loss, typ.	3 W	2 W
Analog inputs
Number of analog inputs	4	4
● For voltage measurement	4	2
● For resistance measurement		4
permissible input voltage for voltage input (destruction limit), max.	20 V	20 V; continuous; 75 V for max. 1 s (mark to space ratio 1:20)
permissible input current for current input (destruction limit), max.	40 mA
Constant measurement current for resistance-type transmitter, typ.		490 µA; at PT100 (490 µA), at 10 kOhm (105 µa)
Cycle time (all channels) max.	5 ms	85 ms
Input ranges
● Voltage	Yes	Yes
● Current	Yes	No
● Thermocouple	No	No
● Resistance thermometer	No	Yes
● Resistance	No	Yes
Input ranges (rated values), voltages
● 0 to +10 V	Yes	Yes
— Input resistance (0 to 10 V)	100 kΩ	100 kΩ
Input ranges (rated values), currents
● 0 to 20 mA	Yes
— Input resistance (0 to 20 mA)	50 Ω
Input ranges (rated values), resistance thermometer
● Pt 100		Yes; only climatic range
Input ranges (rated values), resistors
● 0 to 10000 ohms		Yes
Characteristic linearization
● parameterizable		Yes
— for resistance thermometer		Pt100 (climate)
Cable length
● shielded, max.	200 m	100 m
Analog outputs
Number of analog outputs	2	2
Voltage output, short-circuit protection	Yes	Yes
Voltage output, short-circuit current, max.	11 mA	30 mA
Current output, no-load voltage, max.	15 V
Output ranges, voltage
● 0 to 10 V	Yes	Yes
Output ranges, current
● 0 to 20 mA	Yes
Load impedance (in rated range of output)
● with voltage outputs, min.	5 kΩ	2.5 kΩ
● with voltage outputs, capacitive load, max.	1 µF	1 µF
● with current outputs, max.	300 Ω
● with current outputs, inductive load, max.	1 mH
Cable length
● shielded, max.	200 m	100 m
Analog value generation for the inputs
Integration and conversion time/resolution per channel
● Resolution with overrange (bit including sign), max.	8 bit	12 bit
● Integration time, parameterizable	No	Yes
● Integration time (ms)		16,67 / 20 ms
● Interference voltage suppression for interference frequency f1 in Hz		50 / 60 Hz
Analog value generation for the outputs
Integration and conversion time/resolution per channel
● Resolution with overrange (bit including sign), max.	8 bit	12 bit
● Conversion time (per channel)	500 µs	500 µs
Settling time
● for resistive load	0.3 ms	0.8 ms
● for capacitive load	3 ms	0.8 ms
● for inductive load	0.3 ms
Encoder
Connection of signal encoders
● for voltage measurement	Yes	Yes
● for current measurement as 2-wire transducer	No
● for current measurement as 4-wire transducer	Yes
● for resistance measurement with two-wire connection		Yes
● for resistance measurement with three-wire connection		Yes
● for resistance measurement with four-wire connection		Yes
Errors/accuracies
Operational error limit in overall temperature range
● Voltage, relative to input range, (+/-)	0.9 %	0.7 %; 0 to 10V
● Current, relative to input range, (+/-)	0.8 %
● Resistance, relative to input range, (+/-)		3.5 %; 10 kOhm
● Resistance thermometer, relative to input range, (+/-)		1 %
● Voltage, relative to output range, (+/-)	0.6 %	1 %
● Current, relative to output range, (+/-)	1 %
Basic error limit (operational limit at 25 °C)
● Voltage, relative to input range, (+/-)	0.7 %	0.5 %; 0 to 10V
● Current, relative to input range, (+/-)	0.6 %
● Resistance, relative to input range, (+/-)		2.8 %; 10 kOhm
● Resistance thermometer, relative to input range, (+/-)		0.8 %
● Voltage, relative to output range, (+/-)	0.5 %	0.85 %
● Current, relative to output range, (+/-)	0.5 %
Interrupts/diagnostics/status information
Alarms	No	No
Diagnostics function	No	No
Potential separation
Potential separation analog inputs
● between the channels and backplane bus	No	Yes
Potential separation analog outputs
● between the channels	No	No
● between the channels and backplane bus	No	Yes
● between the channels and the power supply of the electronics	Yes	Yes
Isolation
Isolation tested with	500 V DC	500 V DC
connection method / header
required front connector	20-pin	20-pin
Dimensions
Width	40 mm	40 mm
Height	125 mm	125 mm
Depth	117 mm	117 mm
Weights
Weight, approx.	285 g	200 g