Siemens SIMATIC S7-300 Hardware And Installation Manual page 254

Index
dimensions................................................. 5-4
isolated .................................................... 5-23
non-isolated ............................................. 5-23
Monitor and control variable
Setting the trigger points .......................... 9-23
monitor and control variables
controlling variables ................................. 9-22
monitoring
of variables .............................................. 11-1
monitoring and controlling variables
Establishing a connection to the CPU...... 9-24
Opening the VAT ..................................... 9-24
Saving the VAT ........................................ 9-24
Monitoring and controlling variables
monitoring variables................................. 9-22
Mountable shielding terminals ....................... 5-6
MPI ............................................................ 13-10
maximum baud rate ................................. 5-36
Maximum possible number of nodes ....... 5-37
MPI Subnet ................................................. 5-34
MPI address
default ...................................................... 5-37
highest ..................................................... 5-37
Recommendations ................................... 5-38
Rules........................................................ 5-38
MPI and PROFIBUS subnet ........................ 5-50
MPI interface................................................ 5-39
MPI subnet
Example................................................... 5-46
maximum distances ................................. 5-48
Segment .................................................. 5-45
terminating resistor .................................. 5-52
N
Nesting depth............................................. 13-13
noise
electromagnetic........................................ 12-3
Non-isolated............................................... 13-11
O
OB.............................................................. 13-10
OB priority.................................................. 13-10
Open components.......................................... 6-1
Operating mode ........................................... 13-3
operating system
back-up .................................................... 10-2
Operating system
back-up on Memory Card ........................ 10-3
back-up on Micro Memory Card............... 10-3
CPU ......................................................... 13-3
update...................................................... 10-3
Organization Blocks ................................... 13-10
outdoor routing of cables ........................... 12-17
P
Parameters ................................................ 13-11
Module ..................................................... 13-3
Index-4
PG
access across network boundaries ..........5-51
connecting ................................................9-10
ungrounded installation ............................9-13
via stub cable to subnet............................9-11
Point-to-Point
maximum baud rate..................................5-36
Maximum possible number of nodes ........5-37
Point-to-point communication .......................5-35
Potential differences......................... 5-27, 12-13
power on
requirements ............................................9-13
power supply
grounded ..................................................5-16
power supply module
wiring ..........................................................7-6
power supply module
selecting mains voltage ..............................7-5
power up
initial .........................................................9-14
priority
OB ..........................................................13-10
Priority class ...............................................13-11
Process Image ...........................................13-12
process interrupt.........................................13-12
Product version ............................................13-6
PROFIBUS bus cable..................................5-41
PROFIBUS address
Recommendation .....................................5-39
PROFIBUS and MPI subnet .........................5-50
PROFIBUS bus cable
Properties .................................................5-42
PROFIBUS DP ...........................................13-12
commissioning..........................................9-26
Direct data exchange................................9-36
maximum baud rate..................................5-36
Maximum possible number of nodes ........5-37
PROFIBUS DP address
highest......................................................5-37
Rules ........................................................5-38
PROFIBUS DP addresses
default.......................................................5-37
PROFIBUS DP interface ..............................5-40
PROFIBUS DP Subnet.................................5-34
PROFIBUS subnet
cable lengths ............................................5-45
Example ...................................................5-49
PROFIBUS Terminator.................................5-52
protect digital output modules from
inductive surge .......................................12-28
protective conductor
connecting to the rail ..................................7-4
protective ground
measures..................................................5-26
protective measures
for complete plants ...................................5-16
PtP interface.................................................5-40
Purpose of this documentation .......................1-1
S7-300 Programmable Controller Hardware and Installation
A5E00105492-02