11MANUAL CONTROL

[3]Manual pulse generator operation

MELSEC-Q

"Manual pulse generator operation" is a control method in which positioning is carried out in response to the No. of pulses input from a manual pulse generator (the No. of input pulses is output). This operation is used for manual fine adjustment, etc., when carrying out accurate positioning to obtain the positioning address.

Movement in response to the command pulses

Output pulses

QD75M

Pulse input

Manual pulse generator

Fig. 11.3 Manual pulse generator control

Manual control sub functions

Refer to Section 3.2.4 "Combination of QD75 major functions and sub functions" for details on "sub functions" that can be combined with manual control. Also refer to Chapter 12 "Control sub functions" for details on each sub function.

Carrying out manual control from peripheral devices

"JOG operation", "Inching operation" and enabling/disabling of the "manual pulse generator operation" can be executed from GX Configurator-QP test mode. Refer to GX Configurator-QP Operating Manual for details on manual control from GX Configurator-QP.

Monitoring manual control

Refer to Section 5.6 "List of monitor data" when directly monitoring the buffer memory using GX Developer.

Also refer to GX Configurator-QP Operating Manual when monitoring with the monitor functions of GX Configurator-QP.

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Mitsubishi Electronics QD75D Manual pulse generator operation, Manual control sub functions, Monitoring manual control