Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 157

Retentive timer (low-/high-speed), long retentive timer, counter, and long counter
The following describes operations of the retentive timer (low-speed/high-speed), long retentive timer, counter, and long
counter.
Ex.
A subroutine-type FB using a low-speed retentive timer
SM400
EN
■ When "Yes" is selected for "Use MC/MCR in EN Control"
The current count value remain unchanged. ((1) in the following figure). The coil turns off ((2) in the following figure).
Sc
EN
ST0(Count) 0 1
ST0(Coil)
Sc: Scan
ST0(Count): T0 (count value)
ST0(Coil): T0 (coil)
 EN is turned off. (User operation)
 The coil turns off, but the current count value and the current state of the contact remain unchanged. (CPU module operation)
■ When "No" is selected for "Use MC/MCR in EN Control"
The current count value and the current state of the coil remain unchanged. ((1) in the following figure).
Sc
EN
ST0(Count) 0 1
ST0(Coil)
Sc: Scan
ST0(Count): T0 (count value)
ST0(Coil): T0 (coil)
 EN is turned off. (User operation)
 The values remain unchanged. (CPU module operation)
OUT ST0 K3
END
Ò
Ó
(1)
2 3 3 3
Ó
(2)
Ò
Ó
(1)
2 3 3 3
Ó
(1)
Appendix 1 Operations of when the MC/MCR instructions are used to control EN
ENO
3
3
A
APPX
155