Siemens Simatic S7-300, Hardware And Installation Manual, Page: 241 / 242

Glossary
S7-300 Programmable Controller Hardware and Installation
A5E00105492-01
Index-5
Priority class........................................ 12-11
Process Image .................................... 12-11
Process Interrupt................................. 12-11
Product version ................................... 12-11
PROFIBUS address
Recommendation............................. 4-32
PROFIBUS and MPI subnet ................. 4-43
PROFIBUS bus cable ........................... 4-34
PROFIBUS cables
Properties......................................... 4-34
PROFIBUS subnet
Example ........................................... 4-42
PROFIBUS Terminator ......................... 4-45
PROFIBUS-DP ................................... 12-11
commissioning ................................. 8-24
Direct data exchange....................... 8-34
maximum baud rate ......................... 4-30
maximum possible number
of nodes ...................................... 4-30
PROFIBUS-DP address
default .............................................. 4-31
highest ............................................. 4-31
Rules................................................ 4-31
PROFIBUS-DP interface ...................... 4-33
PROFIBUS-DP Subnet ......................... 4-28
PROFIBUS-Subnet
cable lengths.................................... 4-38
Profile rail
connecting the protective conductor.. 6-4
ground conductor............................... 5-4
mounting ............................................ 5-6
mounting hole dimensions ................. 5-5
preparing............................................ 5-4
Profile rails
fixing screws ...................................... 5-6
length ................................................. 4-4
versions.............................................. 5-3
Protect digital output modules from
inductive surge............................... 11-28
Protective conductor
connecting to the rail.......................... 6-4
Protective ground
measures ......................................... 4-21
Protective measures
for complete plants .......................... 4-14
PtP interface ......................................... 4-33
Purpose of the Manual............................ 1-1
R
Rechargeable battery
handling rules .................................. 9-10
inserting ............................................. 8-6
replacing ............................................ 9-8
Reduction factor ..................................12-12
Reference potential
grounded ..........................................4-15
ungrounded ......................................4-16
Repeater
RS 485 .............................................4-36
Replacing
backup battery....................................9-8
fuses.................................................9-12
module................................................9-5
rechargeable battery ..........................9-8
Replacing fuses
Digital output module .......................9-12
Reset
with keyswitch ..................................8-15
Reset CPU memory ..............................8-13
Restart .................................................12-12
Retentivity............................................12-12
Routing ..................................................4-44
Routing a potential difference cable....11-13
RS 485
bus connector...................................4-36
RS 485-Repeater ..................................4-36
Rules and regulations for error-free
operation ..........................................11-1
RUN
LED ..................................................10-7
Runtime error ......................................12-12
S
S7-300
initial power on .................................8-13
Scope of the Manual ...............................1-1
Segment ................................................4-30
in the MPI subnet .............................4-38
in the PROFIBUS subnet .................4-38
Service.....................................................1-5
SF
LED ..................................................10-7
LED, evaluation ................................10-9
Shared data .........................................12-13
Shielding contact element .....................6-13
mounting...........................................6-13
Shielding terminal
laying cables.....................................6-14
Shielding terminal module .......................4-4
Signal module......................................12-13
SIMATIC Customer Support Hotline .......1-4
SIMATIC manager.................................8-19
start ..................................................8-19
SINEC L2-DP ......................................12-11
Single-step mode ..................................10-1
Slave diagnostics