| 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 |