FUNCTION CODES
Chap 5
Table 5.3-25 Output Terminal Functions
Terminal
function
Symbol Description
Stop position
override alarm
“OT”
ON conditions
• The ET time has elapsed (or after 0.5 second if ET < 0.5 s) or
• “Actual stop position – E-point” > ER data.
OFF conditions
Except the above ON conditions.
Timer output “TO”
ON conditions
Until the ET time has elapsed after the start timer (J73) starts.
OFF conditions
Except the above ON conditions. When the ET is cancelled, the output frequency
becomes 0 Hz, turning this signal OFF..
Positioning
completed
“PSET”
ON conditions
• The ET time has elapsed (or after 0.5 second if ET < 0.5 s) or
• “Actual stop position – E-point” > ER data.
OFF conditions
Except the above ON conditions.
Current
position count
overflowed
“POF”
ON conditions
The current position pulse count goes out of the range from -9,999,999 to
+9,999,999, regardless of the ON/OFF state of the “S/R” terminal command.
OFF conditions
• The position count comes within the specified range after going out of the
range,
• Any run command is turned ON with the “S/R” being ON, or
• A Z point correction is performed.
■ Monitoring
The positioning control status and the pulse count can be displayed on the keypad by using E43 or Menu #3 “Drive
Monitoring” as described in this section.
Table 5.3-26 Monitoring items: Function Code E43 (LED Monitor, Item selection)
Data for E43
Monitor items Unit Descriptions Refer to:
21
Current position
pulse
p
Displays the current position pulse count.
Table 5.3-28
22
Position error
pulse
p
Displays the pulse count error between the current
position and the E point.
Table 5.3-27 Keypad menu #3 “Drive Monitoring”
LED monitor
shows:
Monitor items Unit Descriptions Refer to:
3_17
E point pulse
count
p
Displays the E point of positioning control in the
pulse count.
Turning “RTN” OFF displays E point (J81 and J82);
turning it ON displays S point (J74 and J75).
Table 5.3-28
3_18
Current position
pulse count
p
Displays the current position pulse count.
3_19
Position deviation
pulse count
p
Displays the pulse count deviation between the
current position and E point.
3_20
Positioning
control status
—
Displays the position control status shown in Figure
5.3-19 “Positioning Control Status Transition Model.”
Figure 5.3-19