Mitsubishi 00JCPU User Manual page 183

Item
Serial communication function
Module service interval time
read
Initial device value
Memory check function
Online module change
Auto tuning function
Redundant system function
System switching function
(switching between the
control system and standby
system)
Operation mode change
Tracking function
Online change for
redundancy
*1: The Basic model QCPU does not support the system protection with DIP switches.
*2: The Q00JCPU does not support this function.
*3: The Q02CPU does not support this function.
*4: Availability depends on the version of the CPU module. (
*5: Online change (files) is not supported.
Table6.2 Function list (continued)
Description
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.
Monitors the service interval time (time from service
acceptance to next service acceptance) of the
intelligent function module, network module, or GX
Developer.
Registers data used in programs with devices and
the buffer memories of the intelligent function
modules and special function modules without
programs.
Checks whether the data in memories of the CPU
module are changed or not due to such as
excessive electric noise.
Changes the Q series input/output modules or
intelligent function modules of function version C
mounted on the main base unit, extension base unit,
or MELSECNET/H remote I/O station.
In a redundant power supply system, the power
supply module can also be changed online.
Makes initial settings of PID constants.
This function can be used for the PID control that
uses the S.PID or S.2PID instruction (for example, a
process with relatively slow response such as
temperature control).
Configures a redundant system with CPU modules,
power supply modules, network modules, and main
base units.
Switches the systems between the control system
and standby system.
The systems can be switched either by the system
or by the user.
Switches the operation mode between the separate
mode and backup mode.
Has the standby system CPU module share the
same data with the control system CPU module
(transfers data in the control system CPU module to
the standby system CPU module).
Control can be continued with the same data even
after the systems are switched due to a failure or
error in the control system.
Transfers data written to the control system CPU
module by the write to PLC or online change
operations to the standby system CPU module.
CPU module
1) 2)
*2
*4
: Supported,
Appendix 2)
CHAPTER6 FUNCTIONS
Reference
3) 4)
Section 6.24
Section 6.25.1
Section 6.26
*4
Section 6.27
QCPU User's Manual
(Hardware Design,
Maintenance and
Inspection)
QnPHCPU/
QnPRHCPU
Programming Manual
(Process Control
Instructions)
QnPRHCPU User's
Manual (Redundant
System)
: Partly supported, : Not supported
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