simatic s7-300 - megaelektrik.net

SIMATIC S7-400
Central processing units
CPU 412-1 to CPU 417-4
■ Technical specifications (continued)
Timers/counters and their
retentive characteristics
6ES7 412-1XF04-0AB0 6ES7 412-2XG04-0AB0 6ES7 414-2XG04-0AB0 6ES7 414-3XJ04-0AB0
S7 counter
-Number 2,048 2,048 2,048 2,048
5
• Retentivity
- adjustable Yes Yes Yes Yes
- lower limit 0 0 0 0
- upper limit 2,047 2,047 2,047 2,047
- preset Z 0 to Z 7 Z 0 to Z 7 from Z 0 to Z 7 from Z 0 to Z 7
• Counting range
- lower limit 0 0 0 0
- upper limit 999 999 999 999
IEC counter
- available Yes 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)
SFB, unlimited quantity
(only limited by working
memory)
S7 times
-Number 2,048 2,048 2,048 2,048
• Retentivity
- adjustable Yes Yes Yes Yes
- lower limit 0 0 0 0
- upper limit 2,047 2,047 2,047 2,047
- preset no timers retentive no timers retentive no timers retentive no timers retentive
• Timing range
- lower limit 10 ms 10 ms 10 ms 10 ms
- upper limit 9,990 s 9,990 s 9,990 s 9,990 s
IEC timer
- available Yes 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 4 KByte 4 KByte 8 KByte 8 KByte
- adjustable retentivity Yes; from MB 0 to
MB 4095
Yes; from MB 0 to
MB 4095
Yes; from MB 0 to
MB 8191
SFB, unlimited quantity
(only limited by working
memory)
total working and
load memory
(with backup battery)
Yes; from MB 0 to
MB 8191
- Number of clock memories 8; (1 memory byte) 8; (1 memory byte) 8; (1 memory byte) 8; (1 memory byte)
Address area
I/O address area
- Inputs 4 KByte 4 KByte 8 KByte 8 KByte
-Outputs 4 KByte 4 KByte 8 KByte 8 KByte
• of which distributed
- MPI/DP interface, inputs 2 KByte 2 KByte 2 KByte 2 KByte
- MPI/DP interface, outputs 2 KByte 2 KByte 2 KByte 2 KByte
- DP interface, inputs 4 KByte 6 KByte 6 KByte
- DP interface, outputs 4 KByte 6 KByte 6 KByte
Process image
- Inputs, adjustable 4 KByte 4 KByte 8 KByte 8 KByte
- Outputs, adjustable 4 KByte 4 KByte 8 KByte 8 KByte
- Inputs, preset 128 Byte 128 Byte 256 Byte 256 Byte
- Outputs, preset 128 Byte 128 Byte 256 Byte 256 Byte
- Number of component process 15 15 15 15
images, max.
- Access to consistent data in the Yes Yes Yes Yes
process image
- Consistent data, max. 244 Byte 244 Byte 244 Byte 244 Byte
5/6 Siemens ST 70 · 2005