Siemens SIPROTEC PROFINET IO Manual page 99

O
OB
OID
Output direction/
Output data
P
PLC
PRP
R
RJ45
RSTP
RT
RTA
S
SC
Server
SFB
SFC
SNMP
SNTP
SP
Step 7
T
TCP
U
UTC
UDP
V
VI
SIPROTEC 4, Communication Module PROFINET IO, Communication Profile
C53000-L1840-C360-1, Edition 08.2012
Organization block (in S7 programming)
Object Identifier (of the data point in an SNMP MIB)
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.
Programmable Logic Controller
Parallel Redundancy Protocol
Ethernet plug connector
Rapid Spanning Tree Protocol
Real Time (PROFINET IO RT uses Ethernet EtherType 0x8892)
Real Time Alarm (PROFINET IO alarm processing)
Single command; data type
Sends data upon the client's request
System function block (in S7 programming)
System function (in S7 programming)
Simple Network Management Protocol: monitors and controls network elements
from a central station.
Simple Network Time Protocol: simplified version of the NTP
Single-point indication; data type
Software for programming programmable logic controllers (PLC) of the SIMATIC-
S7 family of Siemens AG
Transmission Control Protocol
Universal Time Coordinated: universal time standard referred to the time at the
prime meridian
User Datagram Protocol
Value Indication; DIGSI data type for statistic values
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