Term/مخفف |
Description/شرح |
Explanation/توضیح |
C7 | Combo PLC/HMI system | A PLC and screen in one package |
CFC | Continuous Function Chart | Optional programming language |
CP | Communication Processor | Modules used for special communication protocols |
DB | Data Block | Memory storage areas for user data |
FB | Function Block | A function with it’s own data block |
FBD | Function Block Diagram | Standard programming language |
FC | Function Call | Called progammed blocks |
FM | Function Module | Modules with special functions (e.g. positioning) |
GSD | Generic Station Description | Files used for Profibus descriptions |
HiGraph | Optional programming language | |
IM | Interface Module | Modules to connect remote racks |
LAD | Ladder Logic Diagram | Standard programming language |
M7 | Programmable modules | A module with processing capabilities |
MMC | Micro Memory Card | Compact plug-in memory card |
MPI | Multi Point Interface | Standard communication protocol |
OB | Organization Block | Blocks for user programs based on different operating system events. |
OP | Operator Panel | Simple display with or without buttons |
PCS | Process Control System | Software for the entire process chain |
PG | Programming Terminal | Dedicated Siemens device – basically a PC |
PPI | Point to Point Interface | Serial RS-232 communication |
Profibus DP | Profibus Decentral Peripherals | Networking protocol used for factory automation |
Profibus PA | Profibus Process Automation | Networking protocol used for process automation |
S7 | SIMATIC Step 7 product line | |
SCL | Structured Control Language | Optional programming language |
SFB | System Function Block | Integrated FB for CPU information |
SFC | System Function Call | Integrated FC for CPU information |
SM | Signal Module | Standard Input/Output modules |
STL | Statement List | Text based programming language |
TP | Touch Panel | Touch screen display |
UDT | User-Definded Data Type | Special data structures defined by the user |
VAT | Variable Access Table | Tables used to monitor/modify values in the PLC |
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