Mitsubishi MELSEC-A series Programming Manual

6. BASIC INSTRUCTIONS
6 − 85
MELSEC-A
6.7.2 Link refresh enable, disable (EI, DI)
The EI/DI instructions change in function depending on the status of special relay
M9053, as follows.
When M9053 is ON: Link refresh enable/disable
When M9053 is OFF: Interruption enable/disable (See Section 6.5.3 for details.)
Available Device
Bit device Word (16-bit) device Constant Pointer Level
Carry
flag
Error
flag
X Y M L S B F T C D W R A0 A1 Z V K H P I N
Digit specification
Index
M9012 (M9010, M9011)
Functions DI
(1) Disables link refresh until the EI instruction is executed.
(2) Sequence processing is started with link refresh enabled.
(3) Link refresh is always enabled during END processing.
EI
(1) Enables link refresh.
AnS
AnN
AnSH
An A1FX
A3H
A3M
A3V AnA
AnU, A2AS
A2USH-S1
A2USH board
QCPU-A
(A Mode)
A0J2H
A2C
A52G
A73
A3N
board
Applicable
CPU
X X X X X
Remark
* Valid only when special relay M9053 is OFF.
Link refresh
disable area
SET
DI
M9036
M9036
M9053
SET
DI
M9053
**
*
*
*
*

Mitsubishi MELSEC-A series Specifications

General

Brand	Mitsubishi
Model	MELSEC-A series
Category	Controller
Language	English