Abbreviations
S5-115F Manual
Abbreviation
Term
I/O ETV
Input/output error tolerance variant
IP
Intelligent input/output module
ISR
Interrupt service routine
ISTACK
Interrupt stack
IW
Input word
JC
Conditional jump
JU
Unconditional jump
KS
Character
KF
Fixed-point number
KG
Floating-point number
KH
Hexadecimal number
KM
Bit pattern
KN/KT
Channel number/channel type
KT
Time
KY
Byte; 2 binary absolute numbers 0 to 255
KC
Count
LAD
Ladder diagram
LPLZ
Logical program counter
NOP
No operation
OB
Organization block
OR
Overall reset
OS
Operating system
PB
Program block
PLC
Programmable logic controller
PEU
I/Os not ready
PII
Process output image
PIQ
Process output image
PL
Parallel link
PROM
Programmable read-only memory
PS
Power supply
PT
Printer
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EWA 4NEB 811 6148-02