IAI MSCON, Instruction Manual

Page: 203 / 360

3.8 C
ontrol and functions of Input and output signals of Remote I/O Mode
195
Caution:
(1) Set the period taken from entering position No. to turning the PWRT ON to 6ms or longer. In
spite of 6ms timer process in the PLC, commands may be input to the controller concurrently
to cause writing to another position. Take the scanning time in the PLC into account, set a
period as 2 to 4 times as the scanning time.
(2) Turning the PWRT signal ON in the state in which home return is not completed (the HEND
signal is set to ON) causes alarm 093 “PWRT signal detected before completion of home
return” to occur.
(3) Turning PWRT signal OFF before turning WEND signal ON disturbs the proper data writing.
(4) Writing processing with position table screen remaining open on a teaching tool such as PC
cannot lead the data on the screen to be updated. To update and confirm writing data, take the
following actions:
1) PC software····················································· Left-click the button.
2) Teaching Pendant or Touch Panel Teaching ···Change to user adjustment screen, input
“4” in adjustment No. and return to the
position table screen after software reset.
Check the relevant Instruction Manual for details of operation.
[8] Pause and operation interruption (*STP, RES, PEND, MOVE)
Input Output
PIO signal
*STP RES PEND MOVE
Pattern 0 to 1
{ { { {
Pattern 2
{ { {
×
{
: Existence of signal, × : No signal
Stop
status
Pause input signal
Acceleration
Input start
signal for
position 1
(Moving start)
Moving
comp.
Positioning
completion
signal output
Deceleration
2)
3) 1) 4) 5)
ON
OFF
2) 3) 1) 4) 5)
Decelerate
and stop by
pause OFF
Movement
restart with
start signal
turned ON
Acceleration Deceleration
Pause signal input OFF
Velocity
Time
ME0306-2A