3.2 Function List - Mitsubishi MELSEC-Q series User Manual

3
SPECIFICATIONS
3.2 Function List
Table 3.2 shows the function of the Q66DA-G.
Item
D/A conversion enable/
disable function
D/A output enable/dis-
able function
Analog output HOLD/
CLEAR function
Analog output test during
programmable controller
CPU STOP
Warning output function
Rate control function
Resolution mode
Scaling function
Online module change
3
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3.2 Function List

• Specifies whether to enable or disable the D/A conversion for each channel.
• Disabling D/A conversion of unused channels can increase the conversion speed.
• Specifies whether to output the D/A converted value or output the offset value for
each channel.
• Regardless of the output enable/disable setting, the conversion speed is "6ms x
number of conversion-enabled channels".
• The output analog value can be retained when the programmable controller CPU is
placed in the STOP status or when an error occurs.
• When the CH output enable/disable flag is forced ON during programmable con-
troller CPU STOP, the D/A converted analog value is output.
• A warning is output if a digital input value falls outside the setting range.
• The increase and decrease in analog output values per conversion cycle of one sta-
tion (6ms) can be limited.
• Using this function prevents rapid change of analog output values.
• The resolution mode can be changed according to the application, and a resolution
setting can be selected from 1/4000, 1/12000 and 1/16000.
• The resolution mode setting is applicable to all channels in block.
• Refer to Section 3.1.1 for the digital input values and maximum resolution in normal
resolution mode and high resolution mode.
• The input range of digital values can be changed to any given range between -32000
and 32000.
• The module can be changed without the system being stopped.
Table3.2 Function list
Function Reference section
Section 3.4.2
Section 3.3.1
Section 3.2.1
Section 3.2.2
Section 3.2.3
Section 3.2.4
Section 3.1.1
Section 4.5
Section 3.2.5
Chapter 7