6 PROGRAMMING

MELSEC-Q

6 PROGRAMMING

Using a sample system configuration shown below, details of the A/D converter module program are explained in the following two scenarios: when the utility package is used and when the utility package is not used.

System configuration used in the program explanation

(1) System configuration

Power supply module

QnCPU

Q64AD

QX10

QY10

X/Y0

X10

Y20

to

to

to

X/YF

X1F

Y2F

(2)

Program conditions

 

This program reads the digital output values that have been A/D converted using

 

CH 1 to CH3 of the Q64AD. CH1 performs sampling processing, CH2 performs

 

averaging processing every 50 times, and CH3 performs averaging processing

6

every 1000 ms. An error code appears in BCD format if a write error occurs.

(a)Contents of initial setting

A/D conversion enable channel

........................................CH1 to CH3

Channel performing averaging processing using number of times

 

........................................

 

The average number of times set for CH2 is 50.

• Channel performing averaging processing using time

 

........................................

 

The average time set for CH3 is 1000 ms

(b) Devices used by the user

Error reset signal ................................................................ X10

Input signal for digital output value read command ........... X11

Error code display (3-digit BCD) ........................................ Y20 to Y2B

CH1 digital output value ..................................................... D11

CH2 digital output value ..................................................... D12

CH3 digital output value ..................................................... D13

Error code ......................................................................... D14

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Mitsubishi Electronics Q68ADV, Q68ADI, Q64AD user manual System configuration, Program conditions

Q68ADV, Q68ADI, Q64AD specifications

Mitsubishi Electronics, a renowned leader in automation technology, has developed advanced analog input modules that play a crucial role in numerous industrial applications. Among them, the Q64AD, Q68ADI, and Q68ADV models stand out with their impressive features and capabilities tailored for precise data acquisition and control.

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