NORD Drivesystems BU0550 - Manual (Page 40)

PLC logic for NORD SK 54xE frequency inverters
40 BU 0550 GB-0813
3.3 Jumps
Operator Explanation
JMP Jump
JMPC Jump if AE=TRUE
JMPCN Jump if AE=FALSE
Table 47 Overview of jumps
3.3.1 JMP
Unconditional jump to a jump point.
BOOL BYTE INT DINT
Possible data types - - - - - - - - - - - -
Commands Explanation
JMP NextStep Unconditional jump to NextStep
ADD 1
NextStep:
ST Value1
Table 48 JMP
3.3.2 JMPC
Conditional jump to a jump point. If AE = TRUE, the command JMPC jumps to the stated jump point.
BOOL BYTE INT DINT
Possible data types X X X X
Commands Explanation
LD 10
JMPC NextStep AE = TRUE

Program jumps
ADD 1
NextStep:
ST Value1
Table 49 JMPC
3.3.3 JMPCN
Conditional jump to a jump point. JMPCN jumps if the AE register = FALSE. Otherwise the program
continues with the next instruction.
BOOL BYTE INT DINT
Possible data types X X X X
Commands Explanation
LD 10
JMPCN NextStep AE = TRUE

Program does not jump
ADD 1
NextStep:
ST Value1
Table 50 JMPCN