Features - Mitsubishi Electric MELSEC L Series User Manual

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Features

(1) Features common to the D/A converter module
(a) Scale conversion
This function converts a digital value to the ratio value (%) in any width to represent the digital value in a
numeric value easy to understand.
(b) Error detection and monitoring
When the digital value exceeds the specified range, the module detects an warning so that the digital value
error monitoring and the output control are enabled.
(c) Wave output function
This function outputs any points of the 50000 point wave data (digital value) in analog by executing the D/A
conversion sequentially. The conversion cycle in the wave output function can be set for each channel. A
control with the conversion faster than that of a program control is enabled by the registration of the control
wave data to the D/A converter module and the analog output from the module. And this method is useful for
an analog (torque) control of equipment such as pressing machines and injection molding units. Because the
update of the analog output value of the wave output function is not affected by the scan time of the CPU
module, a faster and smoother analog control is available.
(d) Easy setting with GX Works2
Programming is reduced because the initial setting or auto refresh setting can be configured on the screen. In
addition, setting status and operating status of modules can be checked easily. With the wave output function,
wave data can be created easily by using "Create Wave Output Data".
(2) Features of the L60DA4
(a) Improved response by high-speed conversion
The high-speed conversion speed of 20s/channel is achieved.
(b) Detailed control by high resolution
In all analog output ranges, the high resolution of 1/20000 is achieved.
(c) Reliability by high accuracy
The high accuracy is achieved for the maximum value of analog output value: 0.1% (ambient temperature:
25C) and 0.3% (ambient temperature: 0 to 55).
(3) Features of the L60DAVL8 and L60DAIL8
With the same basic functions of the L60DA4, the L60DAVL8 and L60DAIL8 can perform analog output (8
channels), which is two times as much as the L60DA4 per module. With this feature, even in a system where a
large number of analog output points are used, the number of analog output modules can be reduced by using
the L60DAVL8 or L60DAIL8, and thus costs of the system are reduced.
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