simatic s7-300 - megaelektrik.net
simatic s7-300 - megaelektrik.net
simatic s7-300 - megaelektrik.net
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5<br />
SIMATIC S7-400<br />
Function modules<br />
FM 451 positioning modules<br />
■ Overview<br />
• Three-channel positioning modu le for rapid traverse/creep<br />
speed drives<br />
• 4 digital outputs per ch annel for motor control<br />
• Incremental or synchro-serial position decoding<br />
Note<br />
SIMODRIVE Sensor/Motion Connect 500 feature positionmeasuring<br />
systems and preassembled connecting cables for<br />
counting and positioning functions.<br />
Additional information is available in the Inter<strong>net</strong> under:<br />
http://www.siemens.com/<strong>simatic</strong>-technology<br />
■ Technical specifications<br />
6ES7 451-3AL00-0AE0<br />
Supply voltages<br />
Rated value<br />
- 24 V DC Yes<br />
Current consumption<br />
• Current consumption, max. 550 mA<br />
Connection system<br />
• Requisite front connector<br />
1 x 48-pin<br />
Digital inputs<br />
• Number of digital inputs<br />
12; 4 per axis<br />
• Functions<br />
Reference cam, reversing cam,<br />
set actual value on-the-fly,<br />
start/stop positioning motion<br />
Input voltage<br />
- Rated value, DC 24 V<br />
- for signal "0" -3 to 5 V<br />
- for signal "1" 11 to 30 V<br />
Input current<br />
- for 1 signal, typical 6 mA<br />
• For 2-wire BERO<br />
- For 1 signal, typical 30 mA<br />
Digital outputs<br />
• Number of digital outputs<br />
12; 4 per axis<br />
• Functions<br />
Rapid traverse, creep speed,<br />
clockwise rotation, counterclockwise<br />
rotation<br />
• Short-circuit protection of the Yes<br />
utput<br />
Output voltage<br />
- for 1 signal UP - 3 V<br />
Output current<br />
- for 1 signal permissible range 600 mA; at Upmax<br />
for 0 to 55 °C, max.<br />
- for 0 signal residual current, 0.5 mA<br />
max.<br />
6ES7 451-3AL00-0AE0<br />
Sensor supply<br />
5 V - sensor supply<br />
-5 V Yes<br />
- Output current, max. 210 mA<br />
- Length of cable, max. 35 m; at max. 210 mA<br />
24 V - sensor supply<br />
- 24 V Yes<br />
- Output current, max. <strong>300</strong> mA<br />
- Length of cable, max. 100 m; at max. <strong>300</strong> mA<br />
Absolute encoder (SSI) - sensor<br />
supply<br />
- Absolute encoder (SSI) Yes<br />
- Output voltage 24 V DC<br />
- Output current, max. <strong>300</strong> mA<br />
- Length of cable, max. <strong>300</strong> m; at max.156 kbit/s<br />
Sensor<br />
Connectable encoders<br />
- Incremental encoder<br />
Yes<br />
(symmetrical)<br />
- Incremental encoder<br />
Yes<br />
(asymmetrical)<br />
- Absolute encoder (SSI) Yes<br />
Incremental encoder (symmetrical)<br />
- Track mark signals A, notA, B, notB<br />
- Zero mark signal N, notN<br />
- Input signal 5 V differential signal (phys. RS 422)<br />
- Input frequency, max. 1 MHz<br />
Incremental encoder (asymmetrical)<br />
- Track mark signals A, B<br />
- Zero mark signal N<br />
- Input voltage 24 V<br />
- Input frequency, max. 50 kHz; at 25 m cable length,<br />
25 kHz at100 m cable length<br />
- Length of cable (shielded), max. 100 m<br />
Absolute encoder (SSI)<br />
- Input signal 5 V differential signal (phys. RS 422)<br />
- Data signal DATA, notDATA<br />
- Clock signal CL, notCL<br />
- Frame length 13 or 25 bits serial<br />
- Clock frequency, max. 1.25 MHz<br />
- Gray code yes<br />
- Length of cable (shielded), max. <strong>300</strong> m; at max. 156 kBit/s<br />
5/48 Siemens ST 70 · 2005
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