Contents
Tables
2-1
2-2
2-3
Potential isolation ..............................................................................................2-2
2-4
2-5
2-6
2-7
CPU performance .............................................................................................2-3
2-8
Communications................................................................................................2-3
2-9
Software ............................................................................................................2-3
2-10
Supplementary features ....................................................................................2-3
3-1
S7-300 modules ................................................................................................3-3
4-1
4-2
Module width .....................................................................................................4-4
4-3
4-4
4-5
Cabinet types ..................................................................................................4-11
4-6
Cabinet selection.............................................................................................4-14
4-7
4-8
4-9
4-10
4-11
Subnet nodes ..................................................................................................4-30
4-12
4-13
4-14
Connectable Devices ......................................................................................4-34
4-15
Available bus cables .......................................................................................4-34
4-16
4-17
4-18
Bus connectors................................................................................................4-36
4-19
RS485 Repeater..............................................................................................4-36
4-20
PG patch cord .................................................................................................4-37
4-21
4-22
Permissible cable lengths in an MPI subnet segment ....................................4-38
4-23
5-1
Module accessories ..........................................................................................5-2
5-2
5-3
5-4
6-1
Wiring accessories ............................................................................................6-1
6-2
6-3
6-4
6-5
6-6
6-7
6-8
6-9
viii
S7-300 Programmable Controller Hardware and Installation
A5E00105492-01