NORD Drivesystems BU0550 - Manual (Page 20)

PLC logic for NORD SK 54xE frequency inverters
20 BU 0550 GB-0813
3 AWL (Instruction List, IL)
3.1 General
3.1.1 Data types
The PLC supports the data types listed below.
Name Required memory space Value range
BOOL 1 bit 0 to 1
BYTE 1 Byte 0 to 255
INT 2 Byte -32768 to 32767
DINT 4 Byte -2,147,483,648 to 2,147,483,647
LABEL_ADDRESS 2 Byte Jump marks
Table 2 Data types
3.1.2 Literal
For greater clarity it is possible to enter constants for all data types in various display formats. The following
table gives an overview of all possible variants.
Literal Example Number displayed in decimal
BOOL FALSE 0
TRUE 1
BOOL#0 0
BOOL#1 1
Dual (Base 2) 2#01011111 95
2#0011_0011 51
BYTE#2#00001111 15
BYTE#2#0001_1111 31
Octal (Base 8) 8#0571 377
8#05_71 377
BYTE#8#10 8
BYTE#8#111 73
BYTE#8#1_11 73
Hexadecimal (Base 16) 16#FFFF -1
16#0001_FFFF 131071
INT#16#1000 4096
DINT#16#0010_2030 1056816
Integer (Base 10) 10 10
-10 -10
10_000 10000
INT#12 12
DINT#-100000 -100000
Time TIME#10s50ms 10.050 seconds
T#5s500ms 5.5 seconds
TIME#5.2s 5.2 seconds
TIME#5D10H15M 5 days + 10 hours + 15 minutes
T#1D2H30M20S 1 day + 2 hours + 30 minutes + 20 seconds
Table 3 Numeric literals