3 solenoid valve mode 1, 1 explanation of i/o signals – IAI America ACON-CY User Manual

Page 67

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5. Operation Using I/O Signals

5.3

Solenoid Valve Mode 1

This type assumes situations where the system must achieve high productivity. Use this type if your application
meets the following conditions, among others:

[1] Use the zone output signal to quicken the operation timings with respect to the respective equipment and

thereby reduce the tact time.

[2] Use the zone output signal as an interlock signal to prevent contact with peripheral equipment.

Caution:

The controller is shipped with solenoid valve mode 0 pre-selected. If you want to use solenoid
valve mode 1, set the value of Parameter No. 25 (PIO pattern selection) to “1.”
o Refer to Chapter 6, “Parameter Settings”

5.3.1

Explanation of I/O Signals

Pin No. Wire color

Signal name

Signal

abbreviation

Function overview

1

Brown 1

+24 V

P24V

2

Red 1

0 V

0 V

I/O power supply

3

Orange 1 Rear end move command input

ST0

Move command to the rear end

4

Yellow 1 Front end move command input ST1

Move command to the front end

5 Green

1

Intermediate point move
command input

ST2

Move command to the intermediate point

6

Blue 1

Servo-on command input

SON

The servo remains on while this signal is ON.
The servo remains off while this signal is OFF.

7 Purple

1

Rear end positioning complete
output

PE0

This signal turns ON upon completion of
movement to the rear end.

8 Gray

1

Front end positioning complete
output

PE1

This signal turns ON upon completion of
movement to the front end.

9 White

1

Intermediate point positioning
complete output

PE2

This signal turns ON upon completion of
movement to the intermediate point.

10 Black

1

Zone output

PZONE

This signal remains ON while the actuator is
inside the range set in the “Zone +” and “Zone –”
fields of the position table.

11

Brown 2

Homing complete output

HEND

This signal is OFF immediately after the power is
turned on, and turns ON once homing is
completed.

12

Red 2

Alarm output

*ALM

This signal remains ON while the actuator is
normal, and turns OFF if an alarm has occurred.

„ Move Command Input for Each Position (ST0, ST1, ST2)

Since the number of positioning points is limited to three, you can use these inputs just like when controlling an
air cylinder.
While each signal remains ON, the actuator moves to the target position.
If the signal turns OFF before the movement is completed, the actuator will decelerate to a stop.
Before executing each move command, enter a target position as an absolute coordinate in the “Position” field
under one of Nos. 0 to 2 in the position table.

Input signal

Target position

Remarks

ST0

Rear end

The target position is defined in the “Position” field under Position No. 0.

ST1

Front end

The target position is defined in the “Position” field under Position No. 1.

ST2

Intermediate point The target position is defined in the “Position” field under Position No. 2.

„ Servo-on Command Input (SON)

The servo remains on while this signal is ON.
To ensure safety, it is recommended that the PLC be configured to monitor the condition of the entire system
and turn ON this signal once all conditions required for movement are satisfied.

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