Siemens CPU 315-2 DP Reference Manual

CPU Function, depending on CPU and STEP 7 Version
4-9
PLC S7-300, CPU Specifications CPU 312 IFM to CPU 318-2 DP
A5E00111190-01
New SFBs and SFCs in CPU 318-2
Function
Block
Application Execution time
in ms
See...
SFB 52
SFB 53
Fetching data records to a DP Slave
Fetching data records to a DP Slave
Initial call 221
Intermediate call 111
Final call 158
Initial call 284
Second call 110
Online help
Standard
and
System
functions
in STEP 7
SFB 54 Receiving interrupts from a DP Slave
(not for I/O-dependent
OBs,MODE 1, OB1)
integrated DP interface,
Final call 110
90
(MODE 1, OB 40, 83, 86)
(OB 55 to OB 57, OB 82)
(central peripherals,
MODE 1, OB 40, OB 82)
170
176
140

Siemens CPU 315-2 DP Specifications

General

Memory	64 KB
Power Supply	24 V DC
Order Number	6ES7 315-2AG10-0AB0
Number of DP Masters	1
Number of DP Slaves	124
Load Memory	64 KB
Number of Timers	256
Number of Counters	256
Data Memory	64 KB
Operating Temperature	0 to 60 °C
Integrated Interfaces	MPI, DP
Digital Outputs	Not integrated
Analog Inputs	Not integrated
Analog Outputs	Not integrated
Programming Languages	LAD, FBD, STL
Digital Inputs	Not integrated
Weight	660 g