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SIMATIC S7-300, ANALOG MODULE SM 334, OPTICALLY ISOLATED, 4AE/2AA, 12 BIT, 0-10V F. PT100 (CLIMAT RANGE -120 - 155 DEGR.) AND 10 KOHM MEASURING RANGE, 1 X 20 PIN |
Supply voltage |
Load voltage L+ |
● Rated value (DC) |
24 V |
Input current |
from load voltage L+ (without load), max. |
80 mA |
from backplane bus 5 V DC, max. |
60 mA |
Power losses |
Power loss, typ. |
2 W |
Analog inputs |
Number of analog inputs |
4 |
Number of analog inputs for voltage measurement |
2 |
Number of analog inputs for resistance measurement |
4 |
permissible input voltage for voltage input (destruction limit), max. |
20 V; continuous; 75 V for max. 1 s (mark to space ratio 1:20) |
Cycle time (all channels) max. |
85 ms |
Input ranges |
● Voltage |
Yes |
● Current |
No |
● Resistance thermometer |
Yes |
● Resistance |
Yes |
Input ranges (rated values), voltages |
● 0 to +10 V |
Yes |
● Input resistance (0 to 10 V) |
100 kΩ |
Input ranges (rated values), resistance thermometer |
● Pt 100 |
Yes; only climatic range |
Input ranges (rated values), resistors |
● 0 to 10000 ohms |
Yes |
Analog outputs |
Number of analog outputs |
2 |
Voltage output, short-circuit protection |
Yes |
Voltage output, short-circuit current, max. |
10 mA |
Output ranges, voltage |
● 0 to 10 V |
Yes |
Load impedance (in rated range of output) |
● with voltage outputs, min. |
2.5 kΩ |
● with voltage outputs, capacitive load, max. |
1 µF |
Cable length |
● Cable length, shielded, max. |
100 m |
Analog value creation |
Integration and conversion time/resolution per channel |
● Resolution with overrange (bit including sign), max. |
12 bit |
● Integration time, ms |
16,67 / 20 ms |
Settling time |
● for resistive load |
0.8 ms |
● for capacitive load |
0.8 ms |
Encoder |
Connection of signal encoders |
● 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 limit in overall temperature range |
● Voltage, relative to input area, (+/-) |
0.7 %; 0 to 10 V |
● Resistance, relative to input area, (+/-) |
3.5 %; 10 kOhm |
● Resistance thermometer, relative to input area, (+/-) |
1 % |
● Voltage, relative to output area, (+/-) |
1 % |
Basic error limit (operational limit at 25 °C) |
● Voltage, relative to input area, (+/-) |
0.5 %; 0 to 10 V |
● Resistance, relative to input area, (+/-) |
2.8 %; 10 kOhm |
● Resistance thermometer, relative to input area, (+/-) |
0.8 % |
● Voltage, relative to output area, (+/-) |
0.85 % |
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 |
Yes |
Galvanic isolation analog outputs |
● between the channels and the backplane bus |
Yes |
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. |
200 g |
last modified: |
13.10.2014 |