simatic s7-300 - megaelektrik.net
simatic s7-300 - megaelektrik.net
simatic s7-300 - megaelektrik.net
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SIMATIC S7-400<br />
Function modules<br />
EXM 438-1 input/output extension<br />
■ Overview<br />
• Optional plug-in expansion module for the FM 458-1 DP basic<br />
module<br />
• For input and output of time-critical signals<br />
• With digital and analog inputs/outputs<br />
• Incremental and absolute valu e encoders can be connected<br />
• 4 high-resolution analog outputs<br />
• Fan-free operation up to 40°C<br />
5<br />
■ Technical specifications<br />
6DD1 607-0CA1<br />
Supply voltages<br />
Rated value<br />
-5 V DC Yes<br />
- 24 V DC Yes; to be applied from outside<br />
Current consumption<br />
• Current consumption, typical 1.5 A<br />
Digital inputs<br />
• Number of digital inputs 16<br />
Input voltage<br />
- Rated value, DC 24 V<br />
- for signal "0" -1 to +6 V or input open<br />
- for signal "1" +13 to +33 V<br />
Input current<br />
- for 0 signal, max (permissible 0 mA<br />
closed-circuit current)<br />
- for 1 signal, typical 3 mA<br />
Input delay (at rated value<br />
of the input voltage)<br />
• For standard inputs<br />
- at 0 to 1, max. 200 µs<br />
Digital outputs<br />
• Number of digital outputs 8<br />
• Short-circuit protection<br />
Yes; electronic/thermal<br />
of the output<br />
• Short-circuit protection of the 250 mA<br />
output, response threshold,<br />
typical<br />
• Limitation of voltage induced Supply voltage + 1 V<br />
on circuit interruption to<br />
Output voltage<br />
- for 0 signal (DC), max. 3 V<br />
- for 1 signal (DC), max. Supply voltage - 2.5 V<br />
Output current<br />
- for 1 signal rated value 50 mA<br />
- for 1 signal permissible range 100 mA<br />
for 0 to 40 °C, min.<br />
- for 0 signal residual current, max. 20 µA<br />
- Maximum switching current 80% at 50°C all outputs 50 mA<br />
Output delay at resistive load<br />
- "0" to "1", max. 15 µs<br />
6DD1 607-0CA1<br />
Analog inputs<br />
• Number of analog inputs<br />
5; Differential inputs<br />
Input ranges (rated values),<br />
voltages<br />
- -10 V to +10 V Yes; -10 V +/- 4 LSB to<br />
+10 V +/- 4 LSB<br />
(1 LSB = 4.88 mV)<br />
- Input resistance<br />
470 kΩ<br />
(-10 V to +10 V)<br />
Analog outputs<br />
• Number of analog outputs<br />
• Voltage output, short-circuit<br />
protection<br />
• Voltage output, short-circuit<br />
current, max<br />
Output ranges, voltage<br />
- -10 to +10 V Yes<br />
Analog value formation<br />
Integration and conversion<br />
time/triggering per channel<br />
- with over-range (bits incl. sign),<br />
max<br />
8; 4 outputs 16 bits<br />
4 outputs 12 bits<br />
Yes; to ground<br />
16 bits: 27 mA<br />
12 bits: 100 mA<br />
4 AA: 16 bits<br />
4 AA: 12 bits<br />
5 AE: 12 bits<br />
- Conversion time (per channel) 4 AA(16 bits): 2 µs<br />
4 AA(12 bits): 4 µs<br />
5 AE: 45 µs<br />
Sensor supply<br />
• Output voltage<br />
approx. 14 V (non-floating)<br />
• Output current, rated value 100 mA<br />
• Short-circuit protection<br />
Yes; electronic<br />
Sensor<br />
• Number of sensors that can be<br />
connected, max.<br />
12; 8 incremental encoders<br />
(synchronizable), 4 absolute<br />
value encoders<br />
Connectable encoders<br />
- Incremental encoder<br />
Yes<br />
(symmetrical)<br />
- Incremental encoder<br />
Yes<br />
(asymmetrical)<br />
- Absolute encoder (SSI) Yes; Single or multiturn encoder<br />
with SSI (synchronous serial) or<br />
EnDat interface<br />
5/60 Siemens ST 70 · 2005
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