Mitsubishi Electric MELSEC-Q Series Migration Manual page 267
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Also See for MELSEC-Q Series:
- User manual (834 pages) ,
- Reference manual (674 pages) ,
- Programming manual (624 pages)
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Description
Auto-setting at input
When the input range is changed, the related buffer memory
range change
data is automatically changed to prevent the values in those
buffer memory areas from being out of the setting range.
Input/output (with
This function can input and output with other analog modules
another analog
(including A/D converter module and D/A converter module) on
module) function
the system.
ON delay output
This function enables users to configure settings considering the
function
delay time (response/scan time delay) of an actual transistor
output.
Self-tuning function
This function constantly monitors the control state. When the
control system is oscillatory just after the control start, owing to
the set value (SV) change or fluctuation of characteristics of a
controlled object, PID constants are changed automatically.
Peak current
This function suppresses the peak current by automatically
suppression
changing the values of the upper limit output limiter of each
function
channel and dividing the timing of the transistor output.
Simultaneous
This function allows several loops to reach the set value (SV) at
temperature rise
the same time.
function
Forward/reverse
Whether to execute a PID operation with a forward action or a
action selection
reverse action can be selected.
function
Loop disconnection
This function detects errors in the control system (control loop).
detection function
During AT loop
This function detects loop disconnections during auto tuning.
disconnection
detection function
Proportional band
This function can set the proportional band (P) individually for
setting function
heating or cooling.
Cooling method
When the auto tuning is executed, an auto tuning formula is
setting function
automatically selected according to the selected cooling method
and the operation starts.
Overlap/dead band
By changing the temperature where the cooling transistor output
function
is started, whether control stability is prioritized or energy saving
is prioritized can be selected.
Temperature
In the heating-cooling control (normal mode) and mix control
conversion function
(normal mode), only the temperature measurement can be
(using unused
performed using unused temperature input terminals.
channels)
Heater
The current which flows in the heater main circuit can be
disconnection
measured and disconnections can be detected.
detection function
Output off-time
An error of when the transistor output is off can be detected.
current error
detection function
Buffer memory data
A set value in a buffer memory area can be backed up in the
2
backup function
E
PROM.
Because the backed up value is restored at the next startup of
the module, an initial setting program is not required once this
function is executed.
Error history
Up to 16 errors and alarms that occur are stored in the buffer
function
memory as history.
Module error history
This function notifies the CPU module of errors and alarms that
collection function
occur. Error information is held in the memory inside of the CPU
module as module error history.
Error clear function
This function clears an error from the system monitor when it
occurs.
MELSEC-Q
MELSEC iQ-R
series
series
Q64TCTTBWN
R60TCTRT2TT2BW
Q64TCRTBWN
R60TCRT4BW
7 ANALOG I/O MODULE MIGRATION
7.3 Comparison of Analog I/O Module Functions
Precautions
7
For the
R60TCTRT2TT2BW
and R60TCRT4BW,
use the event history
function instead.
265
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