Mitsubishi Q00CPU, User Manual

Page: 303 / 976

6
FUNCTIONS
6.1 Function List
6
- 3
1
O
verv
iew
2
Per
fo
rma
nce
S
p
ecifica
tio
n
3
S
equ
en
ce P
ro
g
ra
m
Co
nfig
ura
tio
n a
nd
E
xecut
io
n Co
nd
iti
o
ns
4
I/O N
unb
er
Assig
n
m
e
nt
5
Me
mor
ie
s a
nd
File
s
Ha
nd
led
by CP
U Mo
du
le
6
Func
tions
7
Co
mmu
nic
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us
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bu
ilt
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th
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f
CP
U mod
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le
8
Co
mm
un
icatio
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w
ith
Int
e
lli
ge
nt
Fun
ction
Mo
du
le
: Supported, : Not supported
(Continued on next page)
Table6.2 CPU module function list (Continued)
Item Description
CPU module
Reference
1) 2) 3) 4) 5)
Password registration
Prohibits writing/reading data to/from each file in the
CPU module using GX Developer. Section
6.19.1
Remote password
Prevents illegal access from external sources with
serial communication modules and Ethernet
modules.
Section
6.19.2
System display
Monitors the system configuration using GX
Developer. Section
6.20
LED display
Displays the CPU module operation status using
LEDs located on the front of the module. Section
6.21
Priority setting
Sets the priority for error messages stored in SD220
to 227 (LED display data) at the time of error
occurrence. LED can be set to non-display.
Section
6.21.2
High speed interrupt function
Executes an interrupt program by fixed scan interrupt
at 0.2ms to 1.0ms intervals using the interrupt pointer
I49.
Section
6.22
Interrupt from intelligent function
module Executes an interrupt program at the time of interrupt
request from the intelligent function module. Section
6.23
Serial communication function
Connects the RS-232 interface of the Q00CPU or
Q01CPU and the personal computer/display device
with the RS-232 cable, and performs data
communication using the MC protocol.
Section
6.24
Module service interval time read
Monitors the service interval time (time from service
acceptance to next service acceptance) of intelligent
function modules, network modules or GX Developer.
Section
6.25
Service processing setting
Specifies the service processing count or time to be
executed in END processing. Section
6.25
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).
Section
6.26
Battery life-prolonging function
Prolongs a battery life by holding only clock data in
the battery. Section
6.27
Memory check function
Checks whether the data in memories of the CPU
module are not modified due to excessive electric
noise.
Section
6.28
Latch data backup function (to
standard ROM) Backs up latch data such as device data and error
history without using a battery. Section
6.29
Write/read device data to/from
standard ROM
Writes/reads device data to/from standard ROM.
Section
6.30