Mitsubishi Electric MELSEC-Q00U(J)CPU

114
Security function
Protects data in the CPU module
against tampering and theft by
unauthorized persons.
Page 206,
Section 3.19
Password registration
Prohibits writing/reading data
to/from each file in the CPU
module using a programming tool.
×
Page 206,
Section
3.19.1
File password 32
Prohibits writing/reading data
to/from each file in the CPU
module using a programming tool.
Sets a read password and write
password for each file.
×××× ×
Page 208,
Section
3.19.2
File access control by
security key
Prevents unauthorized access to
the files in the CPU module by
writing a security key to the
module. (The CPU module is
locked with a security key.)
×××× ×
Page 213,
Section
3.19.3
Remote password
Prevents unauthorized access
from external devices.
Page 218,
Section
3.19.4
Block password
Prevents access to program
contents by setting a block
password for each POU.
GX Works2
Version 1
Operating
Manual
(Common)
LED indication
Displays the operating status of
the CPU module with LEDs on the
front of the module.
Page 221,
Section 3.20
LED indication priority
Sets whether to indicate an error
with LED according to the priority
of each error.
Page 222,
Section
3.20.2
High-speed interrupt
function
Executes an interrupt program at
fixed intervals of 0.1 to 1.0ms
using the high-speed interrupt
pointer (I49).
×××× ×
Page 224,
Section 3.21
Interrupt from intelligent
function module
Executes an interrupt program at
the time of interrupt request from
the intelligent function module.
Page 231,
Section 3.22
Serial communication
function
Communicates data using the MC
protocol by connecting the RS-
232 interface of the CPU module
and a personal computer or HMI
from other companies using an
RS-232 cable.
*1 *1
×
Page 232,
Section 3.23
Service processing setting
Specifies the service processing
count or time to be executed in
END processing.
Page 240,
Section
3.24.1
Initial device value
Registers data used in a program
to the device of the CPU module
or the buffer memory of the
intelligent function module and
special function module without a
program.
Page 246,
Section 3.25
Battery life-prolonging
function
Extends the life of a battery by
holding only clock data using the
battery.
Page 249,
Section 3.26
Memory check function
Checks whether data in the
memories of the CPU module are
not changed due to excessive
electric noise.
Page 250,
Section 3.27
Function Description
Q00U
JCPU
Q00UCPU,
Q01UCPU
Q02U
CPU
QnUD(H)
CPU
QnUDE(H)
CPU
QnUDV
CPU,
QnUDP
VCPU
Reference