Specifications

Table Of Contents
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(4) SFC error detection signal (M2039)
(Refresh cycle: operation cycle)
The SFC error detection signal (M2039) is turned ON when any errors detected
by the motion CPU are generated.
When an error occurs, it is set to the error device in accordance with the following
procedure.
(a) The error code is set to each axis or error device.
(b) The error detection signal of each axis or error device is turned ON.
(c) The error is set to the "SFC error history device (#8000 to #8063)" shown
above.
(d) The SFC error detection signal (M2039) is turned ON.
For user program, read the error history when the "SFC error detection signal
(M2039)" is turned on to reset the "SFC error detection signal (M2039)".
The "SFC error detection signal (M2039)" is turned ON when an error occurs
newly thereafter.
POINT
Even if the "SFC (Error detection signal (M2039)" is reset, the "SFC error history
device (#8000 to #8063)" will not be reset (0 clear).
The error history is controlled continuously all the time after turning ON the power
supply.
Set the clock data and clock data read request (M9028) using the user program.
4.4.2 Coast timer (FT)
Motion device Item Q172CPU(N)/Q173CPU(N)
Number of points 1 point (FT)
Data size 32 bits/point (2147483648 to 2147483647)
Latch
No latch
Cleared to "0" when the power supply is turned
ON or when the reset key is pressed.
Applicable task Normal , event , NMI
Access Only reading is executable.
Coast timer (FT)
Timer specifications
888µs timer
(The current value (FT) is incremented by 1 every
888µs.)