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Technical specifications Compact CPUs

SIMATIC S7-300

CPU CPU 312C 1) CPU 313C 1) CPU 313-2 PtP CPU 313C-2 DP 1) CPU 314C-2 PtP CPU 314C-2 DP 1)
Dimension (mm)
80 x 125 x 130 120 x 125 x 130 120 x 125 x 130
Required front connector 1 x 40-pin 2 x 40-pin 1 x 40-pin 2 x 40-pin
Order No. group: 6ES7 312-5BE. 313-5BF. 313-6BF. 313-6CF. 314-6BG. 314-6CG.
Memory
RAM 32 KB 64 KB 96 KB
Instructions 10 K 21 K 32 K
Processing times
Bit operation 0,2 µs 0,1 µs 0,1 µs
Word operation/fixed-point./floating-point operat. 0,4/5/6 µs 0,2/2/3 µs 0,2/2/3 µs
Bit memories/timers/counters
Bit memory 128 bytes 256 bytes 256 bytes
S7 timers/counters 128/128 256/256 256/256
IEC timers/counters
Address areas
I/O (bytes) 1024/1024 1024/1024 1024/1024 1024/1024
Process I/O image 128/128 bytes 128/128 bytes 128/128 bytes 128/128 bytes
Digital channels (central) 266 1016 1008 1016
Analog channels (central) 64 253 248 253
Integrated functions
Counter (incremental enc.) 2 , 24 V/10 kHz 3 incr.enc., 24 V/30 lHz 4 incr.enc., 24 V/60 kHz
Pulse outputs (PCM) 2 channels, max. 2.5 kHz 3 channels, max. 2.5 kHz

4 channels, max. 2.5 kHz

Frequency measurement 2 channels, max. 10 kHz 2 channels, max. 30 kHz 2 channels, max. 60 kHz
Open-loop positioning     SPB for positioning 1 axis via 2 DO, AO
Integrated "Controlling" FB PID controller PID controller PID controller
Integrated I/O
Digital inputs 10 x 24V DC; all channels can be used for process interrupts 24 x 24V DC; all channels can be used for process interrupts 16 x 24V DC; all channels can be used for process interrupts 24 x 24V DC; all channels can be used for process interrupts
Digital outputs 6 x 24 V DC, 0.5 A 16 x 24 V DC, 0.5 A 16 x 24 V DC, 0.5 A 16 x 24 V DC, 0.5 A
Analog inputs   4: ± 10 V, 0..10 V, ± 20 mA, 0/4..20 mA; 1: 0..600 Ω, PT100     4: ± 10 V, 0..10 V, ± 20 mA, 0/4..20 mA; 1: 0..600 Ω, PT100
Analog output   2: ± 10 V, 0..10 V, ± 20 mA, 0/4..20 mA     2: ± 10 V, 0..10 V, ± 20 mA, 0/4..20 mA
DP interface
DP maser systems int./ CP 342-5 -/n -/n -/n ■/n -/n ■/n
DP slave        
PtP interface
Properties     RS485/422   RS485/422  
Protocol driver     3964 (R), RK512, ASCII   3964 (R), RK512, ASCII  

 

 

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