99SIPROTEC 4, Communication Module PROFINET IO, Communication Profile
C53000-L1840-C360-1, Edition 08.2012
O
OB Organization block (in S7 programming)
OID Object Identifier (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 Programmable Logic Controller
PRP Parallel Redundancy Protocol
R
RJ45 Ethernet plug connector
RSTP Rapid Spanning Tree Protocol
RT Real Time (PROFINET IO RT uses Ethernet EtherType 0x8892)
RTA Real Time Alarm (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 Simple Network Management Protocol: monitors and controls network elements
from a central station.
SNTP Simple Network Time Protocol: 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 Transmission Control Protocol
U
UTC Universal Time Coordinated: universal time standard referred to the time at the
prime meridian
UDP User Datagram Protocol
V
VI Value Indication; DIGSI data type for statistic values
com_profinet-io_profile_us.book Page 99 Friday, August 17, 2012 1:40 PM
To Next Page
Loading...
Need help?
General
