I/O Signals From/To The Cpu Module; I/O Signal List - Mitsubishi Electric MELSEC Q Series User Manual

3.4

I/O Signals from/to the CPU Module

This section describes I/O signals of the QD73A1.
3.4.1

I/O signal list

This section describes I/O signal assignment and use of each signal.
The first half of the I/O assignment is empty 16 points, and the second half is intelligent 32 points. When the module is
mounted on the slot No.0 and 1 of a main base unit, the device No.Xn0 becomes X10. Although, when the slot No.0 is
set as empty 0 point in the I/O assignment setting of GX Works2, the device No.Xn0 becomes X0 (n=0).
Device numbers used in this manual are for the case when the QD73A1 is mounted on the slot No.0 and 1 and when
the slot No.0 is empty 16 points.
(1) Input signal list
Input signal (CPU module  QD73A1)
Device No.
X10 WDT error, H/W error signal
X11 QD73A1 READY signal
X12 OPR request signal
X13 OPR complete signal
X14 BUSY signal
X15 Positioning complete signal
X16 In-position signal
X17 Excessive error signal
X18 Error detection signal
X19 Overflow signal
X1A Underflow signal
X1B Servo READY signal
X1C Near-point dog signal
X1D External stop signal
X1E Upper limit signal
X1F Lower limit signal
If a "Use prohibited" area is turned on/off through a sequence program, the QD73A1's function cannot be guaranteed.
30
Signal name
Input signal (CPU module  QD73A1)
Device No.
X20 OPR start complete signal
X21 Absolute positioning start complete signal
X22 Forward start complete signal
X23 Reverse start complete signal
X24 Synchronization flag
X25
X26
X27 Use prohibited
X28
X29
Zero/gain adjustment data writing complete
X2A
flag
X2B Zero/gain adjustment change complete flag
X2C Set value change complete flag
Operating status of the speed-position
X2D
control switch mode
X2E
Use prohibited
X2F
Signal name