Master Control Instructions; Setting/Resetting A Master Control - Mitsubishi Electric MELSEC iQ-R Series Programming Manual

5.5

Master Control Instructions

Setting/resetting a master control

MC, MCR
RnPCPU RnPCPU
RnCPU RnENCPU
(Process) (Redundant)
When this instruction is used in safety programs executed by the Safety CPU, unless otherwise specified,
replace some words as follows:
• "Timer"  "Safety timer"
• "Retentive timer"  "Safety retentive timer"
• "Counter"  "Safety counter"
• Add "SA\" to the devices "X" and "M" in Figures. (Example: "X0"  "SA\X0", "M0"  "SA\M0")
• "Scan time"  "Safety cycle time"
• MC: This instruction starts a master control.
• MCR: This instruction ends a master control.
Ladder
MC
(N) (d)
(1)
MCR
(1) Master control ladder
FBD/LD
MC
EN ENO
N d
■Execution condition
Instruction
MC
MCR
Setting data
■Description, range, data type
Operand Description
(N) Nesting
(d) Number of the device to be turned on
EN Execution condition
ENO Execution result
*1 Only labels assigned to the device (N) or to which constants are assigned can be used.
• In safety programs executed by the Safety CPU, only safety devices and safety labels of data types described in the table
can be used.
RnSFCPU RnSFCPU
(Standard) (Safety)
(N) (d)
(N)
Execution condition
Every scan
ST
ENO:=MC(EN,N,d);
ENO:=MCR(EN,N);
MCR
EN ENO
N
Range Data type
N0 to N14 Device name

Bit

Bit

Bit
Data type (label)
*1
ANY16_S
ANY_BOOL
BOOL
BOOL
5 SEQUENCE INSTRUCTIONS
5.5 Master Control Instructions
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