![Siemens SIPROTEC PROFINET IO Скачать руководство пользователя страница 99](http://html.mh-extra.com/html/siemens/siprotec-profinet-io/siprotec-profinet-io_manual_1265444099.webp)
99
SIPROTEC 4, Communication Module PROFINET IO, Communication Profile
C53000-L1840-C360-1, Edition 08.2012
O
OB
Organization block (in S7 programming)
OID
O
bject
Id
entifier (of the data point in an SNMP MIB)
Output direction/
Output data
Data-transmission direction from the IO controller to the IO device with the direction
of data transmission always being observed from the location of the IO controller.
This transmission direction is also referred to as the control direction.
P
PLC
P
rogrammable
L
ogic
C
ontroller
PRP
P
arallel
R
edundancy
P
rotocol
R
RJ45
Ethernet plug connector
RSTP
R
apid
S
panning
T
ree
P
rotocol
RT
R
eal
T
ime (PROFINET IO RT uses Ethernet EtherType 0x8892)
RTA
Real
T
ime
A
larm (PROFINET IO alarm processing)
S
SC
Single command; data type
Server
Sends data upon the client's request
SFB
System function block (in S7 programming)
SFC
System function (in S7 programming)
SNMP
S
imple
N
etwork
M
anagement
P
rotocol: monitors and controls network elements
from a central station.
SNTP
S
imple
N
etwork
T
ime
P
rotocol: simplified version of the NTP
SP
Single-point indication; data type
Step 7
Software for programming programmable logic controllers (PLC) of the SIMATIC-
S7 family of Siemens AG
T
TCP
T
ransmission
C
ontrol
P
rotocol
U
UTC
U
niversal
T
ime
C
oordinated: universal time standard referred to the time at the
prime meridian
UDP
U
ser
D
atagram
P
rotocol
V
VI
V
alue
I
ndication; DIGSI data type for statistic values
com_profinet-io_profile_us.book Page 99 Friday, August 17, 2012 1:40 PM