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SIMATIC S7, ANALOG INPUT/OUTPUT SM 334, NON-ISOLATED, 4 AI/2 AO, 1 X 20 PIN, REMOVE AND INSERT WITH BACKPLAIN BUS |
| Supply voltage |
| Load voltage L+ |
| ● Rated value (DC) |
24 V |
| Input current |
| from load voltage L+ (without load), max. |
110 mA |
| from backplane bus 5 V DC, max. |
55 mA |
| Power losses |
| Power loss, typ. |
3 W |
| Analog inputs |
| Number of analog inputs |
4 |
| Number of analog inputs for voltage measurement |
4 |
| permissible input voltage for voltage input (destruction limit), max. |
20 V |
| permissible input current for current input (destruction limit), max. |
40 mA |
| Cycle time (all channels) max. |
5 ms |
| Input ranges |
| ● Voltage |
Yes |
| ● Current |
Yes |
| ● Resistance thermometer |
No |
| ● Resistance |
No |
| Input ranges (rated values), voltages |
| ● 0 to +10 V |
Yes |
| ● Input resistance (0 to 10 V) |
100 kΩ |
| Input ranges (rated values), currents |
| ● 0 to 20 mA |
Yes |
| ● Input resistance (0 to 20 mA) |
50 Ω |
| Analog outputs |
| Number of analog outputs |
2 |
| Voltage output, short-circuit protection |
Yes |
| Voltage output, short-circuit current, max. |
11 mA |
| Current output, no-load voltage, max. |
15 V |
| Output ranges, voltage |
| ● 0 to 10 V |
Yes |
| Output ranges, current |
| ● 0 to 20 mA |
Yes |
| Load impedance (in rated range of output) |
| ● with voltage outputs, min. |
5 kΩ |
| ● with voltage outputs, capacitive load, max. |
1 µF |
| ● with current outputs, max. |
300 Ω |
| ● with current outputs, inductive load, max. |
1 mH |
| Cable length |
| ● Cable length, shielded, max. |
200 m |
| Analog value creation |
| Integration and conversion time/resolution per channel |
| ● Resolution with overrange (bit including sign), max. |
8 bit |
| Settling time |
| ● for resistive load |
0.3 ms |
| ● for capacitive load |
3 ms |
| ● for inductive load |
0.3 ms |
| Encoder |
| Connection of signal encoders |
| ● for current measurement as 4-wire transducer |
Yes |
| Errors/accuracies |
| Operational limit in overall temperature range |
| ● Voltage, relative to input area, (+/-) |
0.9 % |
| ● Current, relative to input area, (+/-) |
0.8 % |
| ● Voltage, relative to output area, (+/-) |
0.6 % |
| ● Current, relative to output area, (+/-) |
1 % |
| Basic error limit (operational limit at 25 °C) |
| ● Voltage, relative to input area, (+/-) |
0.7 % |
| ● Current, relative to input area, (+/-) |
0.6 % |
| ● Voltage, relative to output area, (+/-) |
0.5 % |
| ● Current, relative to output area, (+/-) |
0.5 % |
| Interrupts/diagnostics/status information |
| Alarms |
| ● Alarms |
No |
| Diagnostic messages |
| ● Diagnostic functions |
No |
| Galvanic isolation |
| Galvanic isolation analog inputs |
| ● between the channels and the backplane bus |
No |
| Galvanic isolation analog outputs |
| ● between the channels and the backplane bus |
No |
| Isolation |
| Isolation checked with |
500 V DC |
| Connection method |
| required front connector |
20-pin |
| Dimensions |
| Width |
40 mm |
| Height |
125 mm |
| Depth |
120 mm |
| Weights |
| Weight, approx. |
285 g |
| last modified: |
25.09.2014 |
