simatic s7-300 - megaelektrik.net
simatic s7-300 - megaelektrik.net
simatic s7-300 - megaelektrik.net
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SIMATIC S7-<strong>300</strong><br />
Central processing units<br />
CPU 312C to CPU 317F-2 DP<br />
4<br />
■ Technical specifications (continued)<br />
6ES7 312-1AD10-<br />
0AB0<br />
CPU/blocks<br />
DB<br />
- Number, max. 511;<br />
DB 0 reserved<br />
6ES7 314-1AF10-<br />
0AB0<br />
511;<br />
DB 0 reserved<br />
6ES7 315-2AG10-<br />
0AB0<br />
1.024;<br />
DB 0 reserved<br />
6ES7 317-2AJ10-<br />
0AB0<br />
2.047;<br />
DB 0 reserved<br />
6ES7 318-2AJ00-<br />
0AB0<br />
2.047;<br />
DB0 reserved<br />
- Size, max. 16 KByte 16 KByte 16 KByte 64 KByte 64 KByte<br />
FB<br />
- Number, max. 512; see<br />
instruction list<br />
512; see<br />
instruction list<br />
2.048; see<br />
instruction list<br />
2.048; see<br />
instruction list<br />
1.024; see<br />
instruction list<br />
- Size, max. 16 KByte 16 KByte 16 KByte 64 KByte 64 KByte<br />
FC<br />
- Number, max. 512; see<br />
instruction list<br />
512; see<br />
instruction list<br />
2.048; see<br />
instruction list<br />
2.048; see<br />
instruction list<br />
1.024; see<br />
instruction list<br />
- Size, max. 16 KByte 16 KByte 16 KByte 64 KByte 64 KByte<br />
OB<br />
- Number, max. see instruction list see instruction list see instruction list see instruction list<br />
- Size, max. 16 KByte 16 KByte 16 KByte 64 KByte 64 KByte<br />
Nesting depth<br />
- per priority class 8 8 8 16 16<br />
- additional levels within an error 4 4 4 4 3<br />
OB<br />
CPU/processing times<br />
• for bit instruction, min. 0.2 µs 0.1 µs 0.1 µs 0.05 µs 0.1 µs<br />
• for word instruction, min. 0.4 µs 0.2 µs 0.2 µs 0.2 µs 0.1 µs<br />
• for integer math, min. 5 µs 2 µs 2 µs 0.2 µs 0.1 µs<br />
• for floating-point math, min. 6 µs 3 µs 3 µs 1 µs 0.6 µs<br />
• for timing/counting instructions,<br />
0.1 µs<br />
min.<br />
Timers/counters and their<br />
retentive characteristics<br />
S7 counter<br />
-Number 128 256 256 512 512<br />
• of which retentive without battery<br />
- adjustable Yes Yes Yes Yes Yes<br />
• Retentivity<br />
- adjustable Yes Yes Yes<br />
• Counting range<br />
- adjustable Yes Yes Yes Yes<br />
- lower limit 0 0 0 0 0<br />
- upper limit 999 999 999 999 999<br />
IEC counter<br />
- available Yes Yes Yes Yes Yes<br />
- Type<br />
SFB, unlimited<br />
quantity (only limited<br />
by working<br />
memory)<br />
SFB, unlimited<br />
quantity (only limited<br />
by working<br />
memory)<br />
SFB, unlimited<br />
quantity (only limited<br />
by working<br />
memory)<br />
SFB, unlimited<br />
quantity (only limited<br />
by working<br />
memory)<br />
SFB, unlimited<br />
quantity (only limited<br />
by working<br />
memory)<br />
S7 times<br />
-Number 128 256 256 512 512<br />
• Retentivity<br />
- adjustable Yes Yes Yes Yes Yes<br />
- preset No retention No retention No retention No retention No timers retentive<br />
• Timing range<br />
- lower limit 10 ms 10 ms 10 ms 10 ms 10 ms<br />
- upper limit 9,990 s 9,990 s 9,990 s 9,990 s 9,990 s<br />
IEC timer<br />
- available Yes Yes Yes Yes Yes<br />
- Type SFB, unlimited<br />
quantity (only limited<br />
by working<br />
memory)<br />
SFB, unlimited<br />
quantity (only limited<br />
by working<br />
memory)<br />
SFB, unlimited<br />
quantity (only limited<br />
by working<br />
memory)<br />
SFB, unlimited<br />
quantity (only limited<br />
by working<br />
memory)<br />
SFB, unlimited<br />
quantity (only limited<br />
by working<br />
memory)<br />
4/20 Siemens ST 70 · 2005
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