Siemens SIMATIC NET S7-300 User Manual

7 Programming FCs (Functions) and FBs for S7 Ethernet CPs
A-261
S7-CPs for Industrial Ethernet Configuring and Commissioning
Release 01/2007
C79000-G8976-C182-07
7.9 Configuration Limits / Resources Required by the FCs
and FBs
Notice
Please note the version information of the blocks. Blocks with other versions have
different resource requirements.
Table 7-15 Information for FCs / FBs with an S7-400
NAME Version FC/FB
no.
Load
memory
bytes
Work
memory
bytes
MC7
Bytes
Local data
Bytes
AG_SEND 1.1 FC5 732 576 540 20
AG_RECV 1.1 FC6 656 522 486 20
AG_LOCK 1.0 FC7 272 200 164 6
AG_UNLOCK 1.0 FC8 256 186 150 6
AG_LSEND 3.0 FC50 1044 846 810 52
AG_LRECV 3.0 FC60 1190 992 956 58
PN_InOut 1.3 FB88 2678 2234 2198 48
PN_InOut_Fast 1.0 FB90 2906 2266 2230 48
Table 7-16 Information for FCs / FBs with an S7-300
NAME Version FC/FB
no.
Load
memory
bytes
Work
memory
bytes
MC7
Bytes
Local data
Bytes
AG_SEND 4.2 FC5 1976 1664 1628 50
AG_RECV 4.7 FC6 1440 1206 1170 40
AG_LOCK 4.0 FC7 748 636 600 34
AG_UNLOCK 4.0 FC8 712 604 568 32
AG_CNTRL 1.0 FC10 1402 1138 1102 82
IP_CONFIG 1.1 FB55 2478 2056 2020 62
PN_InOut 1.5 FB88 2470 2066 2030 54
PNIO_SEND 1.0 FC11 1272 1058 1022 42
PNIO_RECV 1.0 FC12 1122 928 892 42
PNIO_RW_REC 1.0 FB52 1648 1390 1354 62
PNIO_ALARM 1.0 FB54 1178 970 934 62

Siemens SIMATIC NET S7-300 Specifications

General

Product Type Designation	SIMATIC NET S7-300
Mounting	DIN rail mounting
Protection Class	IP20
CPU Models	Various models available (e.g., CPU 312, CPU 314)
Communication Interfaces	MPI, PROFIBUS DP
Power Supply	24 V DC power supply required. Different power supply modules available.
I/O Modules	Digital input modules, digital output modules, analog input modules, analog output modules
Programming	STEP 7 software
Supply Voltage	24V DC or 120/230V AC (depending on model)
Digital Inputs	Available via digital input modules
Digital Outputs	Available via digital output modules
Analog Inputs	Available via analog input modules
Analog Outputs	Available via analog output modules
Communication Functions	MPI, PROFIBUS DP, Ethernet (depending on model)
Protocols	MPI, PROFIBUS DP, TCP/IP (depending on model)
Operating Temperature	0°C to 60°C
Storage Temperature	70 °C
Memory	Depends on CPU model (e.g., 32 KB to 1.5 MB)