Allen-Bradley Logix5000 Reference Manual

Rockwell Automation Publication 1756-RM003N-EN-P - October 2011 453
Program Control Instructions (JMP, LBL, JSR, RET, SBR, JXR, TND, MCR, UID, UIE, AFI, NOP, EOT, SFP, SFR, EVENT) Chapter 11
Jump to Subroutine (JSR)
Subroutine (SBR) Return
(RET)
The JSR instruction jumps execution to a different routine. The SBR and RET
instructions are optional instructions that exchange data with the JSR
instruction.
JSR Operands:
Relay Ladder
JSR Operands Continued:
Structured Text
Operand Type Format Description
Routine name ROUTINE Name Routine to execute (that is, subroutine)
Input
parameter
BOOL
SINT
INT
DINT
REAL
Structure
Immediate
Tag
Array tag
Data from this routine that you want to copy to a
tag in the subroutine
· Input parameters are optional.
· Enter multiple input parameters, if needed.
Return
parameter
BOOL
SINT
INT
DINT
REAL
Structure
Tag
Array tag
Tag in this routine to which you want to copy a
result of the subroutine
· Return parameters are optional.
· Enter multiple return parameters, if needed.
Operand Type Format Description
Routine name ROUTINE Name Routine to execute (that is, subroutine)
Input count SINT
INT
DINT
REAL
Immediate Number of input parameters
Input
parameter
BOOL
SINT
INT
DINT
REAL
Structure
Immediate
Tag
Array tag
Data from this routine that you want to copy to a
tag in the subroutine
· Input parameters are optional.
· Enter multiple input parameters, if needed.
Return
parameter
BOOL
SINT
INT
DINT
REAL
Structure
Tag
Array tag
Tag in this routine to which you want to copy a
result of the subroutine
· Return parameters are optional.
· Enter multiple return parameters, if needed.
JSR(RoutineName,InputCount,
InputPar,ReturnPar);

Allen-Bradley Logix5000 Specifications

General

Brand	Allen-Bradley
Model	Logix5000
Category	Controller
Language	English