7-Segment Led Specifications - Mitsubishi Electric Q12DCCPU-V User Manual

6
PREPARATORY PROCEDURES AND SETTING

(2) 7-segment LED specifications

Name
7-segment LED display
7-segment LED
6
- 28 6.4 Part Names and Functions
6.4.1 Part names and functions of the Q12DCCPU-V
Table 6.8 7-segment LED specifications
LED status
This LED display can be controlled with the QBF_Control7SegLED
function in user programs.
It indicates the execution mode of the hardware self-diagnostics test or
initialization setting when switch operation is performed.
A built-in ROM data error detected.
• An error was detected in the built-in ROM data during startup of the C
Controller module.
Flashing
• The built-in ROM data are corrupt.
• The C Controller module cannot be started.
A standard RAM data or a battery-backed-up RAM data error detected.
• An error was detected in the standard RAM data or a battery-backed-
*2
Flashing
up RAM data during startup of the C Controller module.
• The standard RAM data or a battery-backed-up RAM data are corrupt.
• The C Controller module cannot be started.
*3
Flashing
* 1 The LED cannot be controlled when:
• A system watchdog timer error has occurred.
• A user watchdog timer error has occurred.
• A built-in ROM data error has been detected.
• A standard RAM data error has been detected.
* 2 The LED is flashing when a standard RAM data error detected.
* 3 The LED is flashing when a battery-backed-up RAM data error detected.
Figure 6.22 7-segment LED
Description
*1