Explanation Of Displayed Information; Home Position Display; Figure 10-4 Display Transitions At Home Position; Table 10-3 Cpu Module Status Display - Hitachi S10VE User Manual

10.4 Explanation of displayed information

10.4.1 Home position display

The home position is where the indicator displays the CPU module operating status, the E coil status, the CPU
module alarm status, and the error status of option modules. The indicator automatically transitions to the next
status display after two seconds. If a serious error occurs, the indicator displays the error code of the serious
error.
Figure 10-4 shows the display transitions at the home position.
2 seconds
CPU module status display
Event
CPU module alarm display (6 digits)
Option module error display (6 digits)
(1) CPU module status display
In this state, the indicator displays the state of the CPU module as explained in Table 10-3.
For details about CPU module states, see Chapter 11. Operation.
No.
1 C P U S T P
C P U R U N
2
L D R R U N
3
4 L D R S T P
2 seconds
E-coil status display
2 seconds
2 seconds
2 seconds
Serious error code display (8 digits)

Figure 10-4 Display transitions at home position

Table 10-3 CPU module status display

Display
The CPU is in STOP mode.
The CPU is in RUN mode.
Ladder logic is in RUN mode.
Ladder logic is in STOP mode.
If no event occurs and the
menu keys are untouched
for one minute or longer
Any of the following occurs to trigger indicator display:
- A menu key is pressed
- The setting of the LADDER RUN/STOP switch is
changed while the CPU module is in RUN mode
- The CPU module transitions from RUN mode to
STOP mode
- The CPU module transitions from STOP mode to
RUN mode
- An event occurs
A serious error occurs
Description
10-5
10. Indicator
Normal operation
The indicator
turns off