CPUs
1-49
PLC S7-300, CPU Specifications CPU 312 IFM to CPU 318-2 DP
A5E00111190-01
MPI
Services
– PD/OP
communication
Yes
– Global data
communication
Yes
– S7 basic
communication
Yes
– S7 communication Yes (server)
Transmission rates 19.2; 187.5 Kbps
Dimensions
Assembly dimension
BHT (mm)
160125130
Weight Approx. 0.9 kg
Programming
Programming language STEP 7
Stored instructions See Instruction List
Nesting levels 8
System functions (SFCs) See Instruction List
System function blocks
(SFBs)
See Instruction List
User program security Password protection
Voltages, Currents
Power supply 24V DC
Permissible range 20.4 to 28.8 V
Current consumption (idle) typical 1.0 A
Inrush current typical 8A
l
2
t 0.4 A
2
s
External fusing for supply
lines (recommendation)
Circuit breaker; 2 A
Type B or C
PD supply at MPI (15 to
30V DC)
max. 200 mA
Power losses Typically 16 W
Battery Yes
Backup margin at 25
C and continuous CPU
buffering
min. 1 year
Battery shelf life at
25C
approx. 5 years
Accumulator Yes
Clock back-up period
– at 0 to 25C Approx. 4 weeks
– at 40 C Approx. 3 weeks
– at 60 C Approx. 1 week
Battery charging time Approx. 1 hour
Integrated inputs/outputs
Addresses of integral
Digital inputs E 124.0 to E 127.7
Digital outputs A 124.0 to A 127.7
Analog inputs PIW 128 to PIW 134
Analog outputs PQW 128
Integrated Functions
Counter 1 or 2, 2 directional
comparisons
(see Integrated Functions)
manual
Frequency meter up to 10 kHz max.
(see Integrated Functions)
manual
Positioning Channel 1
(see Integrated Functions)
manual
To Next Page
Loading...
Need help?
General
