Glossary
S7-300 Programmable Controller Hardware and Installation
Index-4 A5E00105492-01
User ...............................................12-15
work .................................................12-8
Memory bits ..........................................12-8
Memory Card ........................................12-8
inserting .............................................8-7
Operating system backup..................9-2
replacing ............................................8-7
Memory reset
MPI parameter .................................8-18
Micro Memory Card
inserting .............................................8-8
Operating system backup..................9-2
Module
installation..........................................5-8
Installing.............................................9-7
labeling.............................................6-12
removing ............................................9-6
replacing ............................................9-5
start addresses ..................................7-1
Module diagnostics .............................10-25
Module parameters...............................12-9
Module replacement
Behavior of S7-300............................9-8
controlling...........................................9-5
Modules
arrangement................................4-7, 4-9
dimensions.........................................4-4
isolated.............................................4-18
non-isolated .....................................4-18
Monitor and control variables
controlling variables.........................8-21
monitoring variables.........................8-21
setting the trigger points ..................8-21
Monitoring
of variables.......................................10-1
Monitoring and controlling variables
establishing a connection
to the CPU ..................................8-22
opening the VAT ..............................8-22
saving the VAT ................................8-22
Mountable shielding terminals ................4-5
Mounting
profile rail ...........................................5-6
MPI........................................................12-9
maximum baud rate.........................4-30
maximum possible number
of nodes......................................4-30
MPI address
default ..............................................4-31
highest .............................................4-31
Recommendations...........................4-32
Rules................................................4-31
MPI and PROFIBUS subnet .................4-43
MPI interface.........................................4-32
MPI subnet
Example ...........................................4-40
maximum distances..........................4-41
Segment...........................................4-38
terminating resistance......................4-45
MPI Subnet............................................4-28
N
Nesting depth ........................................12-9
Noise
electromagnetic................................11-3
Non-isolated ..........................................12-9
O
OB .......................................................12-10
OB priority............................................12-10
Open components...................................5-1
Operating mode...................................12-10
Operating system
backup................................................9-2
backup on Memory Card....................9-2
backup on Micro Memory Card..........9-2
of the CPU......................................12-10
update ................................................9-3
Organization Blocks ............................12-10
Outdoor routing of cables....................11-17
P
Parameters..........................................12-10
module..............................................12-9
PG
access across network boundaries..4-44
connecting..........................................8-9
ungrounded installation ....................8-12
via stub cable to subnet ...................8-10
Point-to-Point
maximum baud rate..........................4-30
maximum possible number
of nodes ......................................4-30
Point-to-point communication................4-28
Potential differences.................. 4-22, 11-13
Power on
initial .................................................8-13
prerequisites.....................................8-13
Power supply
grounded ..........................................4-14
Power Supply Module
selecting mains voltage......................6-5
wiring..................................................6-6
Priority
OB ..................................................12-10