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CHAPTER 3 SPECIFICATIONS
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3.4 I/O Signals from/to the CPU Module
3.4.3 Details of output signals
3.4.3 Details of output signals
(1) Zero/gain adjustment data writing request signal (Y1A)
Turn on this signal to write the zero/gain adjustment value to the QD73A1.
For the on/off timing of this signal, refer to the detail of Zero/gain adjustment data writing complete flag (X2A).
( Page 35, Section 3.4.2 (22))
For details on zero/gain adjustment, refer to the following.
Page 59, Section 4.5
(2) Zero/gain adjustment change request signal (Y1B)
Turn on this signal to change zero adjustment and gain adjustment.
For the on/off timing of this signal, refer to the detail of Zero/gain adjustment change complete flag (X2B).
( Page 36, Section 3.4.2 (23))
For details on zero/gain adjustment, refer to the following.
Page 59, Section 4.5
(3) Set value change request signal (Y1C)
Turn on/off this signal to increase/decrease the analog output value at zero/gain adjustment.
The analog output is increased/decreased according to the value set in " Zero/gain adjustment value
specification".
For the on/off timing of this signal, refer to the detail of Set value change complete flag (X2C). ( Page 36,
Section 3.4.2 (24))
For details on zero/gain adjustment, refer to the following.
Page 59, Section 4.5
(4) OPR start signal (Y20)
Turn on this signal to start OPR.
(5) Absolute positioning start signal (Y21)
Turn on this signal to start absolute system positioning (position control mode).
(6) Forward start signal (Y22)
Turn on this signal to start positioning in the address increasing direction.
The following table describes the consequence of turning on this signal for each type of positioning (major
positioning control).
Major positioning control Consequence of turning on Forward start signal (Y22)
Position control mode
Positioning control
Starts in the address increasing direction (incremental system)
Two-phase trapezoidal
positioning control
Speed-position control switch mode Starts in the address increasing direction
Cd.11