| Article number | 6ES7234-4HE32-0XB0 |
| Analog I/O SM 1234, 4AI/2AO |
| General information |
|
| Product type designation | SM 1234, AI 4×13 bit/AQ 2×14 bit |
| Supply voltage |
|
| Rated value (DC) | 24 V |
| Input current |
|
| Current consumption, typ. | 60 mA |
| from backplane bus 5 V DC, typ. | 80 mA |
| Power loss |
|
| Power loss, typ. | 2 W |
| Analog inputs |
|
| Number of analog inputs | 4; Current or voltage differential inputs |
| permissible input voltage for voltage input (destruction limit), max. | 35 V |
| permissible input current for current input (destruction limit), max. | 40 mA |
| Cycle time (all channels) max. | 625 µs |
| Input ranges |
|
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● Voltage · | Yes; ±10V, ±5V, ±2.5V |
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● Current · | Yes; 4 to 20 mA, 0 to 20 mA |
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● Thermocouple · | No |
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● Resistance thermometer · | No |
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● Resistance · | No |
| Input ranges (rated values), voltages |
|
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● -10 V to +10 V · | Yes |
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— Input resistance (-10 V to +10 V) · | ≥9 MOhm |
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● -2.5 V to +2.5 V · | Yes |
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— Input resistance (-2.5 V to +2.5 V) · | ≥9 MOhm |
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● -5 V to +5 V · | Yes |
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— Input resistance (-5 V to +5 V) · | ≥9 MOhm |
| Input ranges (rated values), currents |
|
| ·
● 0 to 20 mA · | Yes |
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— Input resistance (0 to 20 mA) · | 280 Ω |
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● 4 mA to 20 mA · | Yes |
| Analog outputs |
|
| Number of analog outputs | 2; Current or voltage |
| Output ranges, voltage |
|
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● -10 V to +10 V · | Yes |
| Output ranges, current |
|
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● 0 to 20 mA · | Yes |
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● 4 mA to 20 mA · | Yes |
| Load impedance (in rated range of output) |
|
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● with voltage outputs, min. · | 1 000 Ω |
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● with current outputs, max. · | 600 Ω |
| Cable length |
|
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● shielded, max. · | 100 m; shielded, twisted pair |
| Analog value generation for the inputs |
|
| Measurement principle | Differential |
| Integration and conversion time/resolution per channel |
|
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● Resolution with overrange (bit including sign), max. · | 12 bit; + sign |
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● Integration time, parameterizable · | Yes |
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● Interference voltage suppression for interference frequency f1 in Hz · | 40 dB, DC to 60 V for interference frequency 50 / 60 Hz |
| Smoothing of measured values |
|
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● parameterizable · | Yes |
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● Step: None · | Yes |
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● Step: low · | Yes |
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● Step: Medium · | Yes |
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● Step: High · | Yes |
| Analog value generation for the outputs |
|
| Integration and conversion time/resolution per channel |
|
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● Resolution (incl. overrange) · | Voltage: 14 bit; Current : 13 bit |
| Errors/accuracies |
|
| Temperature error (relative to input range), (+/-) | 25 °C ±0.1%, to 55 °C ±0.2% total measurement range |
| 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) |
|
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● Voltage, relative to input range, (+/-) · | 0.1 % |
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● Current, relative to input range, (+/-) · | 0.1 % |
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● Voltage, relative to output range, (+/-) · | 0.3 % |
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● 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 |
|
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● Diagnostic alarm · | Yes |
| Diagnoses |
|
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● Monitoring the supply voltage · | Yes |
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● Wire-break · | Yes |
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● Short-circuit · | Yes |
| Diagnostics indication LED |
|
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● for status of the inputs · | Yes |
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● for status of the outputs · | Yes |
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● for maintenance · | Yes |
| Potential separation analog outputs |
|
| ·
● between the channels and the power supply of the electronics · | No |
| 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 |
| Ambient conditions |
|
| Free fall |
|
| ·
● Fall height, max. · | 0.3 m; five times, in product package |
| Ambient temperature during operation |
|
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● min. · | -20 °C |
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● max. · | 60 °C |
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● horizontal installation, min. · | -20 °C |
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● horizontal installation, max. · | 60 °C |
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● vertical installation, min. · | -20 °C |
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● vertical installation, max. · | 50 °C |
| Ambient temperature during storage/transportation |
|
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● min. · | -40 °C |
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● max. · | 70 °C |
| Air pressure acc. to IEC 60068-2-13 |
|
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● Operation, min. · | 795 hPa |
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● Operation, max. · | 1 080 hPa |
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● Storage/transport, min. · | 660 hPa |
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● Storage/transport, max. · | 1 080 hPa |
| Relative humidity |
|
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● 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. | 220 g |
