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用于 SIMATIC S7-300 的高速模擬量輸入和輸出
用于連接模擬傳感器和激勵(lì)器
SM 335 |
|
---|---|
Module-specific data |
|
Number of bs |
4 |
Number of outputs |
4 |
Cable length, shielded |
200 m |
With wire-break monitoring in range 0 V to 10 V |
30 m |
Voltages, currents, potentials |
|
Rated load voltage |
24 V DC |
Polarity reversal protection |
yes |
Galvanic isolation |
yes |
Permissible potential difference |
|
• between bs (UCM) |
3 V |
• between b (M terminal) and central grounding point |
75 V DC |
• Insulation |
tested at 500 V DC |
Current consumption |
|
• from S7-300 backplane bus, max. |
75 mA |
• from L+, max. |
150 mA |
Power losses, max. |
3.6 W |
Status, interrupts, diagnostics |
|
Interrupts |
|
• Limit value interrupt |
no |
• Cycle end interrupt |
yes, beterizable |
• Diagnostics interrupt |
yes, beterizable |
Diagnostic functions |
|
• Fault display for grouped fault |
yes, red LED |
• Diagnostic inbation can be read out |
yes |
Analog value generation for bs |
|
Measuring principle |
successive approximation |
Conversion time per channel |
200 μs |
• Basic conversion time for 4 channels, max. |
1 ms |
Resolution |
|
• Bipolar |
13 bits + sign |
• Unipolar |
14 bits |
Analog bs |
|
Interference between bs |
|
• at 50 Hz |
65 dB |
• at 60 Hz |
65 dB |
Operational limits (over entire temperature range, referred to b range) |
|
• with voltage measurement |
± 0.15 % (with 14-bit resolution) |
• with current measurement |
0.25 % |
Basic error limit (operational limits at 25 °C, referred to b range) |
0.13 % (with 14-bit resolution) |
Temperature error (referred to b range) |
± 0.1 % (with 14-bit resolution) |
Linearity error (referred to b range) |
± 0.015 % |
Repeatability (under steady-state conditions, at 25 °C, referred to b range) |
± 0.05 % |
Encoder selection data |
|
Input range (rated values)/b resistance |
|
• Voltage |
± 1 V; ± 10 V; ± 2.5 V; 0 V to 2 V; 0 V to 10 V: 10 MΩ |
• Current |
± 10 mA; 0 mA to 20 mA; 4 mA to 20 mA: 100 Ω |
Permissible b voltage for voltage b (destruction limit) |
± 30 V |
Permissible b current for current b (destruction limit) |
25 mA |
Connection of signal encoder |
|
• for voltage measurement |
possible |
• for current measurement |
|
- as 2-wire transducer |
not possible |
- as 4-wire transducer |
possible |
• for resistance measurement |
not possible |
Output for supplying the transducer (short-circuit proof) |
10 V/25 mA |
Data for encoder supply output |
|
Rated voltage |
10 V |
Output current, max. |
25 mA |
Short-circuit proof |
yes |
Operating limits (over entire temperature range) |
0.2 % |
Temperature error |
0.002 %/K |
Basic error for rated voltage |
0.1 % |
Outputs |
|
Resolution(including overcontrol range) |
|
• ± 10 V |
11 bits + sign |
• from 0 V to 10 V |
12 bits |
Conversion time per channel, max. |
800 μs |
Settling time |
|
• for resistive load |
< 0.1 ms |
• for capacitive load |
< 3.3 ms |
• for inductive load |
< 0.5 ms |
Interference between outputs |
40 dB |
Substitute values can be switched in |
yes |
Operational limits (over entire temperature range, referred to output range) |
0.5 % |
Basic error limit (operational limits at 25 °C, referred to output range) |
0.2 % |
Linearity error (referred to output range) |
± 0.05 % |
Repeatability (under steady-state conditions, at 25 °C, referred to output range) |
± 0.05 % |
Output ripple (referred to output range) |
± 0.05 % |
Actuator selection data |
|
Input ranges (rated values) |
± 10 V and 0 V to 10 V (switchover) |
Load impedance |
|
• for voltage outputs, min. |
3 kΩ |
• for capacitive load, max. |
1 μF |
• for inductive load, max. |
1 mH |
Voltage output |
|
• Short-circuit proof |
yes |
• Short-circuit current, max. |
8 mA |
Connection of the actuators for voltage output |
|
• as 2-wire connection |
possible |
• as 4-wire connection |
not possible |
Dimensions and weight |
|
Dimensions (w x h x d) |
40 mm x 125 mm x 120 mm |
Weight, approx. |
300 g |