CHAPTER6 FUNCTIONS
1
2
3
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5
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6.1 F
unction L
ist
6
-
3
: Supported,
:
Partly supported, : Not supported
*1: Availability depends on the version of the CPU module. (
Table6.1 Function list (Continued)
Item
Description
Q00UJ
CPU
Q00UCPU,
Q01UCPU
Q02U
CPU
QnUD(H)
CPU
Built-in
Ethernet
port QCPU
Reference
Password registration
Prohibits writing/reading data to/from
each file in the CPU module using GX
Developer.
Remote password
Prevents illegal access from external
sources with serial communication
modules and Ethernet modules.
System display
Monitors the system configuration
using GX Developer.
LED display
Displays the CPU module operation
status using LEDs located on the
front of the module.
Priority setting
Sets whether to display an error
corresponding to each priority with Led.
Interrupt from intelligent
function module
Executes an interrupt program at the
time of interrupt request from the
intelligent function module.
Serial communication
function
Connects the RS-232 interface of the CPU
module and the personnel computer or
HMI with RS-232 cable and communicates
in the MC protocol.
*1
Service processing setting
Specifies the service processing
count or time to be executed in END
processing.
Device initial value
Registers data required for operations
in a program to devices or buffer
memory of intelligent function
modules/special function modules
(without using programs).
Battery life-prolonging
function
Prolongs a battery life by holding only
clock data in the battery.
Memory check function
Checks whether the data in memories
of the CPU module are not modified
due to excessive electric noise.
Section
6.27
Latch data backup function
(to standard ROM)
Backs up latch data such as device
data and error history without using a
battery.
Section
6.28
Write/read device data to/
from standard ROM
Writes/reads device data to/from
standard ROM.
Section
6.29
CPU module change function
with memory card
Backs up data in the CPU module to a
memory card and restores the backup data
to another CPU module.
*1
*1
*1
Section
6.30
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