Mitsubishi Electric MELSEC iQ-R Series, Programming Manual

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7 APPLICATION INSTRUCTIONS
7.4 Structure Creation Instructions
Calling a subroutine program
XCALL
This instruction performs execution or non-execution processing of a subroutine program. When the condition is satisfied, the
instruction triggers CALL for the subroutine. When the condition is broken, it triggers FCALL.
■
Execution condition
Setting data
■
Description, range, data type
*1 Cannot be specified in FBD/LD.
■ Applicable devices
*1 Devices other than F can be used.
• [RnPCPU (redundant)] If the instruction is used in a program executed in both systems, there are restrictions on its operation in the standby system when the
redundant system is in backup mode. (  MELSEC iQ-R CPU Module User's Manual (Application))
Ladder ST
Not supported
FBD/LD
Instruction Execution condition
XCALL
Operand Description Range Data type Data type (label)
(P) Start pointer number of subroutine program  Device name POINTER
(s1)

(s5)
*1
Device number to be passed to the subroutine program as
an argument -2147483648 to 2147483647 Bit/16-bit signed
binary/32-bit signed
binary ANY
EN Execution condition

Bit BOOL
ENO Execution result

Bit BOOL
Operand Bit Word Double word Indirect
specification
Constant Others
(P)
X, Y, M, L,
SM, F, B, SB,
FX, FY J  \  T, ST, C, D, W,
SD, SW, FD, R,
ZR, RD U  \G  , J  \  ,
U3E  \(H)G 
Z LT, LST,
LC LZ K, H E $
(P)
           
(s1)

(s5)

*1
          
RnCPU RnENCPU
RnSFCPU RnSFCPU RnPCPU RnPCPU
(Standard) (Safety) (Redundant) (Process)
(P)
(P) (s1)...(s5)
EN ENO
P