Siemens CPU 312 IFM User Manual

CPUs
1-37
PLC S7-300, CPU Specifications CPU 312 IFM to CPU 318-2 DP
A5E00111190-01
1.4.2 CPU 313
Technical Specifications of the CPU 313
CPU and Product Version
MLFB
 Hardware version
6ES7 313-1AD03-0AB0
01
 Firmware version V 1.1.0
 Matching programming
package
STEP 7 V 5.0;
Service Pack 03
Memory
Work memory
 integral 12 KB
 Expandable no
Load memory
 integral 20 KB RAM
 Expandable FEPROM Up to 4 MB
 Expandable RAM no
Backup Yes
 With battery All data
 Without battery 72 bytes retentive
Configurable
(data, flags, timers)
Processing times
Processing times for
 Bit instructions 0.6 s minimum
 Word instructions 2 s minimum
 Double integer math 2 s minimum
 Floating-point math
instructions
60 s minimum
Timers/Counters and their retentive characteristics
S7 counters 64
 Adjustable retentivity from C 0 to C 63
 Preset from C 0 to C 7
 Counting range 1 to 999
IEC Counters Yes
 Type SFB
S7 timers 128
 Adjustable retentivity from T 0 to T 31
 Preset No retentive times
 Timing range 10 ms to 9990 s
IEC Timers Yes
 Type
SFB
Data areas and their retentive characteristics
Retentive data area as a
whole (inc. flags, timers,
counters)
max. 1 DB, 72 data bytes
Bit memories 2048
 Adjustable retentivity MB 0 to MB 71
 Preset MB 0 to MB 15
Clock memories 8 (1 memory byte)
Data blocks max. 127 (DB 0 reserved)
 Size max. 8 KB
 Adjustable retentivity 1 DB, 72 bytes
 Preset No retentivity
Local data (non-alterable) max. 1536 bytes
 Per priority class 256 bytes
Blocks
OBs See Instruction List
 Size max. 8 KB
Nesting depth
 Per priority class 8
 additional levels within
an error OB
4
FBs 128
 Size max. 8 KB
FCs 128
 Size max. 8 KB
Address areas (I/O)
Peripheral address area
 Digital 0 to 31/0 to 31
 Analog 256 to 383/256 to 383
Process image (cannot be
customized)
32 bytes/32 bytes
Digital channels max. 256/256
Analog channels max. 64/32

Siemens CPU 312 IFM Specifications

General

Brand	Siemens
Model	CPU 312 IFM
Category	Controller
Language	English