Mitsubishi MELSEC-Q Series User Manual page 170

5
SETTINGS AND PROCEDURES BEFORE OPERATION
(2) RUN/STOP/MODE switch operation
Position
In normal operation mode
In hardware self-
RUN
diagnostic operation
mode
Operation of the C Controller module is stopped.
STOP
Switching RUN to STOP turns off all outputs (Y).
(Output (Y) from user program and writing to buffer memory are disabled)
MODE
Used by the hardware self-diagnostics function.(
(3) RESET/SELECT switch operation
Position
When holding RESET
position
When returning RESET
RESET
position to the neutral
position
In normal operation mode
SEL.
In hardware self-
diagnostic operation
mode
5
- 22 5.4 Parts Names and Functions
STOP
MODE RUN
Figure 5.21 RUN/STOP/MODE switch
Table5.5 RUN/STOP/MODE switch
The C Controller module is operating.
(Output (Y) from user program and writing to buffer memory are enabled)
Refer to Section 18.5 for the hardware self-diagnostics function.
* 1 Forced output (Y) and writing to buffer memory, etc. from the <<Module monitor>> tab of the C
Controller setting utility are executable.
RESET SEL.
Figure 5.22 RESET/SELECT switch
Table5.6 RESET/SELECT switch operation
All LEDs turn off and the hardware is reset.
Reset is canceled.
The module starts up in either of the following operation modes depending on the
RUN/STOP/MODE switch position.
• In the case of the RUN/STOP position, the module restarts from the OS and
system software, and starts up in the normal operation mode. (The MODE LED
is lit "green".)
• In the case of the MODE position, the module starts up in the hardware self-
diagnostic operation mode. (The MODE LED is lit "orange".)
When the switch is held in the SELECT position, the CompactFlash card is
*4
unmounted.
Used by the hardware self-diagnostics function.(
* 2 In a multiple CPU system configuration, reset CPU No.1. (
* 3 Before resetting, close all running user programs in the C Controller module.
Resetting the module while running any user programs may corrupt the user programs and data
files. ( Section 7.2.2)
* 4 When the SELECT position is held in either of the following states, unmounting is not executed.
(The CF CARD LED does not flash.)
• When no CompactFlash card has been installed.
• When the CompactFlash card has already been unmounted.
Operation
*1
Section 18.5)
Operation
( Section 5.8.3)
*2*3
Section 18.5)
Section 13.6)