Plc Operation Mode (M8030 To M8039 - Mitsubishi Electric FX Series Training Manual

Appendix
A.1.3

PLC Operation Mode (M8030 to M8039)

Special relay
M8030
M8031
M8032
M8033
M8034
M8035
M8036
M8037
M8038
M8039
Training Manual GX IEC Developer
Read Write CPU
FX
2N
FX
2NC
©
— FX
3G
FX
3U
FX
3UC
© ©
© ©
FX
1S
FX
1N
FX
2N
© © FX
2NC,
FX
3G
FX
3U
FX
3UC
© ©
© ©
© ©
© ©
FX
1S
FX
1N
FX (V2.0
2N
or later)
©
—
FX
2NC
FX
3G
FX
3U
FX
3UC
FX
1S
FX
1N
FX
2N
© ©
FX
2NC
FX ,
3G
FX
3U
FX
3UC
Function
Battery LED OFF
When M8030 set to ON, LED on PLC is not lit even if battery
voltage low is detected.
Non-latch memory If this special auxiliary relays are acti-
all clear vated, the ON/OFF image memory of Y,
M, S, T, and C, and present values of T,
C, D, special data registers and R are
cleared to zero. However, file registers
Latch memory all
(D) in program memory, and extension
clear
file registers (ER) in the memory cas-
sette are not cleared.
Memory hold STOP
When PLC is switched from RUN to STOP, image memory
and data memory are retained.
All outputs disable
All external output contacts of the PLC are turned OFF. The
program however is still executed.
Forced RUN mode
Forced RUN signal
Forced STOP signal
Communication parameter setting flag
(for N:N network setting)
Constant scan mode
When M8039 is ON, PLC waits until scan time specified in
D8039 and then executes cyclic operation.
Special Relays
A - 3