simatic s7-300 - megaelektrik.net

SIMATIC S7-400
Central processing units
CPU 412-1 to CPU 417-4
■ Technical specifications (continued)
6ES7 416-2XK04-0AB0 6ES7 416-3XL04-0AB0 6ES7 417-4XL04-0AB0
5
CPU/blocks
DB
- Number, max. 4,095; DB 0 reserved 4,095; DB 0 reserved 8,192; DB 0 reserved
- Size, max. 64 KByte 64 KByte 64 KByte
FB
- Number, max. 2,048 2,048 6,144
- Size, max. 64 KByte 64 KByte 64 KByte
FC
- Number, max. 2,048 2,048 6,144
- Size, max. 64 KByte 64 KByte 64 KByte
OB
- Number, max. See instruction list See instruction list See instruction list
- Size, max. 64 KByte 64 KByte 64 KByte
Nesting depth
- per priority class 24 24 24
- additional levels within
2 2 2
an error OB
CPU/processing times
• for bit instruction, min. 0.04 µs 0.04 µs 0.03 µs
• for word instruction, min. 0.04 µs 0.04 µs 0.03 µs
• for integer math, min. 0.04 µs 0.04 µs 0.03 µs
• for floating-point math, min. 0.12 µs 0.12 µs 0.09 µs
Timers/counters and their
retentive characteristics
S7 counter
-Number 2,048 2,048 2,048
• Retentivity
- adjustable Yes Yes Yes
- lower limit 0 0 0
- upper limit 2,047 2,047 2,047
- preset from Z 0 to Z 7 from Z 0 to Z 7 from Z 0 to Z 7
• Counting range
- lower limit 0 0 0
- upper limit 999 999 999
IEC counter
- available Yes Yes Yes
- Type SFB, unlimited quantity
(only limited by working memory)
SFB, unlimited quantity
(only limited by working memory)
SFB, unlimited quantity
(only limited by working memory)
S7 times
-Number 2,048 2,048 2,048
• Retentivity
- adjustable Yes Yes Yes
- lower limit 0 0 0
- upper limit 2,047 2,047 2,047
- preset no timers retentive no timers retentive no timers retentive
• Timing range
- lower limit 10 ms 10 ms 10 ms
- upper limit 9,990 s 9,990 s 9,990 s
IEC timer
- available Yes Yes Yes
- Type SFB, unlimited quantity
(only limited by working memory)
Data areas and their
retentive characteristics
• Retentive data area as a whole
total working and load memory
(with backup battery)
SFB, unlimited quantity
(only limited by working memory)
total working and load memory
(with backup battery)
SFB, unlimited quantity
(only limited by working memory)
total working and load memory
(with backup battery)
Flags
-Number 16 KByte 16 KByte 16 KByte
- adjustable retentivity Yes; MB 0 to MB 16383 Yes; MB 0 to MB 16383 Yes; MB 0 to MB 16383
- Number of clock memories 8; (1 memory byte) 8; (1 memory byte) 8; 1 memory byte)
5/12 Siemens ST 70 · 2005