simatic s7-300 - megaelektrik.net
simatic s7-300 - megaelektrik.net
simatic s7-300 - megaelektrik.net
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■ Technical specifications (continued)<br />
Product version<br />
• Associated programming package<br />
6ES7 317-<br />
2EJ10-0AB0<br />
STEP 7 as of<br />
5.3<br />
6ES7 317-<br />
6TJ10-0AB0<br />
STEP 7 as of V<br />
5.2 + SP1; S7<br />
Distributed<br />
Safety as of<br />
V5.2 + SP1<br />
Supply voltages<br />
Rated value<br />
- 24 V DC Yes Yes<br />
- permissible range, lower limit<br />
(DC)<br />
20.4 V 20.4 V<br />
- permissible range, upper limit<br />
(DC)<br />
28.8 V 28.8 V<br />
Voltages and currents<br />
• External fusing for supply lines (recommendation)<br />
Min. 2 A Min. 2 A<br />
Current consumption<br />
• Inrush current, max.<br />
2.5 A<br />
• Inrush current, typ.<br />
2.5 A<br />
•I²t 1 A²s 1 A²s<br />
• from load voltage L+ (no load),<br />
100 mA<br />
max.<br />
• Power dissipation, typical 3.5 W 6 W<br />
Memory/backup<br />
Memory<br />
• Working memory<br />
- integral 512 KByte 512 KByte<br />
- expandable<br />
No<br />
No<br />
• Load memory<br />
- pluggable (MMC) Yes Yes<br />
- pluggable (MMC), max. 8 MByte 8 MByte<br />
Backup<br />
- available Yes; guaranteed<br />
by MMC<br />
(maintenancefree)<br />
CPU/blocks<br />
DB<br />
- Number, max. 2,047; DB 0<br />
reserved<br />
- Size, max.<br />
Yes; guaranteed<br />
by MMC<br />
(maintenancefree)<br />
2,047; DB 0<br />
reserved<br />
64 KByte 64 KByte<br />
FB<br />
- Number, max. 2,048; see<br />
instruction list<br />
- Size, max.<br />
2,048; see<br />
instruction list<br />
64 KByte 64 KByte<br />
FC<br />
- Number, max. 2,048; See<br />
instruction list<br />
- Size, max.<br />
2,048; See<br />
instruction list<br />
64 KByte 64 KByte<br />
OB<br />
- Number, max. see instruction<br />
list<br />
- Size, max.<br />
see instruction<br />
list<br />
64 KByte 64 KByte<br />
Nesting depth<br />
- per priority class 16 16<br />
- additional levels within an error<br />
OB<br />
4 4<br />
SIMATIC S7-<strong>300</strong><br />
Central processing units<br />
CPU 312C to CPU 317F-2 DP<br />
6ES7 317-<br />
2EJ10-0AB0<br />
6ES7 317-<br />
6TJ10-0AB0<br />
CPU/processing times<br />
• for bit instruction, min. 0.05 µs 0.05 µs<br />
• for word instruction, min. 0.2µs 0.2 µs<br />
• for integer math, min. 0.2 µs 0.2 µs<br />
• for floating-point math, min. 1 µs 1 µs<br />
Timers/counters and their retentive<br />
characteristics<br />
S7 counter<br />
- Number 512 512<br />
• of which retentive without battery<br />
- adjustable Yes Yes<br />
• Counting range<br />
- adjustable Yes Yes<br />
- lower limit 0 0<br />
- upper limit<br />
999 999<br />
IEC counter<br />
- available Yes Yes<br />
- Type<br />
SFB<br />
SFB<br />
S7 times<br />
- Number 512 512<br />
• Retentivity<br />
- adjustable Yes Yes<br />
- preset<br />
No retention No retention<br />
• Timing range<br />
- lower limit 10 ms 10 ms<br />
- upper limit 9,990 s 9,990 s<br />
IEC timer<br />
- available Yes Yes<br />
- Type<br />
SFB<br />
SFB<br />
Data areas and their retentive<br />
characteristics<br />
Flags<br />
- Number 4,096 Byte 4,096 Byte<br />
- adjustable retentivity<br />
Yes; MB 0 to<br />
MB 4095<br />
Yes; MB 0 to<br />
MB 4095<br />
- Number of clock memories<br />
8; 1 memory<br />
byte<br />
Data blocks<br />
- Number, max. 2,047; DB 0<br />
reserved<br />
- Size, max.<br />
8; 1 memory<br />
byte<br />
2,047; DB 0<br />
reserved<br />
64 KByte 64 KByte<br />
- adjustable retentivity Yes Yes<br />
Local data<br />
- per priority class, max. 1,024 Byte 1,024 Byte<br />
Address area<br />
I/O address area<br />
- Inputs<br />
-Outputs<br />
8 KByte 8 KByte<br />
8 KByte 8 KByte<br />
• of which distributed<br />
- Inputs 8 KByte 8 KByte<br />
-Outputs<br />
8 KByte 8 KByte<br />
4<br />
Siemens ST 70 · 2005<br />
4/27
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