IAI Rcon, Instruction Manual, Page: 247 / 838

3.8 I/O Signals
A3-144
ME0384-4A
Chapt
er 3 G
at
eway
Uni
t
Spec
ific
at
ion
s S
ec
tion
This shows the PLC timing chart for operating the ELECYLINDER.
The basic process is as follows.
[Basic timing chart]
Category
Signal
abbreviation
Timing chart Remarks
1 Power Power ON EC Connection Unit
SYS LED ： On
24VDC power supply is
turned ON.
2 Output
*ALM
E*RD
*ALM:Turns ON if no alarm
has been triggered.
E*RD: It turns on when
operation ready
(servo on)
3 Input
ST0
∆ t1
When the [ST0] signal is
turned ON, home return
operation begins.
4 Output
LS0
∆ t2
EC Connection Unit
Backward End LED: On
Home return operation is
complete and the unit
moves to the backward end.
5 Input ST1
∆ t2
Moves to the forward end.
6 Output LS1
EC Connection Unit
Forward End LED: On
Moved to the forward end.
7 Input ST0
∆ t2
Moves to the backward end.
8
Output LS0 Moved to the backward end.
9 After this, " 5 " to " 8 " repeat.
∆
t1: Wait approximately 0.5 seconds from when the E*RD signal turns ON before inputting the
first command.
∆
t2: The time taken for the ELECYLINDER actually to reach the forward or backward end after
the LS signal turns ON. Consider
∆
t2 when giving instructions for the next operation from
the PLC to the ELECYLINDER.
Also,
∆
t2 varies depending on the communication time among PLC
⇔
EC connection unit
⇔
ELECYLINDER, size of payload and acceleration/deceleration.
Output
Input
ELECYLINDER
→
output signals to PLC
PLC
→
input signals to
ELECYLINDER
Power ON Home return
Move to forward
end
Move to backward
end