Pulse train control mode – IAI America ERC3 User Manual
Page 35
25
2. Pulse Train Control Mode
This product allows positioning control by the pulse train.
It is necessary to have the positioning control function able to output the pulse train on the host
controller (PLC).
When using this product for the first time, make sure to avoid mistakes and incorrect wiring by
referring to the procedure below. “PC” stated in this section means “RC PC software”.
Set the Electronic Gear [Refer to Section
4.3 [8] (1)]
Set the electronic gear ratio based on the
amount of actuator operation per pulse in
Parameters No.65 and 66.
ψ
Check Item
Is the minimum unit of operation set to the value bigger than the
minimum resolution of the encoder?
Is the fraction of the electronic gear ratio reduced to its lowest terms?
φ
Yes
Pulse Train Input Output Mode Setting [Refer to Section 4.3 [8] (2)]
Set the command pulse train input status for the parameter No.63 and No.64.
Set Teach Mode to Monitor Mode 2 and disconnect the teaching tool after the setting is complete.
Servo ON
Input servo ON signal from PLC.
ψ
Check Item
Does the status LED
[SV] on the panel?
No ψ
Confirm the content of alarm on the teaching
tool such as PC to have an appropriate
treatment.
φ
Yes
Safety Circuit Check
Check that the emergency stop circuit (or motor
drive-power cutoff circuit) operates normally to turn
OFF the servo.
No ψ
Check the emergency stop circuit.
ω
Yes
ψ
No ψ
Contact us or our distributor.
ω
Yes
No ψ
ψ
Check Item
Is the red light [ALM] on the
LED status display OFF?
Connect the teaching tool
such as PC to confirm the
content of alarm and have
an appropriate treatment.
Test Run Adjustment 2
[Operation Mode AUTO]
Output the pulse train from PLC to
the controller and check the
system operation.
ψ
No ψ
No ψ
Check the electronic gear ratio setting.
Confirm the command pulse train input mode
setting.
Confirm that there is no problem in the
actuator installation, the actuator operation
condition demands a voltage more than rated
voltage, and appropriate pulse trains are input.
Power Supply and Alarm Check
Connect a teaching tool such as PC, turn the power
ON for unit.
Select [Teaching Mode 1 Safety Speed Activated /
PIO Operation Invalid] in the teaching tool such as
PC.
ω
Yes
φ
Yes
Check of Packed Items
Are there all the delivered items?
Installation and Wiring [Refer to Chapter 2 and Chapter
3]
Perform the installation of and wiring for the actuator and
controller.
Point Check Item [Refer to Section 2.3.4]
• Is frame ground (FG) connected?
• Has the noise countermeasure been taken?
ψ
Test Run Adjustment 1
[Operation Mode MANU]
Check with a teaching tool such as the
PC with no work being loaded, and check
the operation range with JOG operation
with the work being loaded.
Check if there is any problem in the way of
actuator mount.
Check Item
Is there any risk of
interfering with
peripheral
equipment?
No ψ
ω
Yes
Can the positioning
operation be performed
normally?
ω
Yes
ω
Yes
Is it in condition without
any vibration and
abnormal noise?
Test Run Adjustment 3
Check the system operation conducted by PLC.
PIO Pattern Settings
Set 0 or 1 to Parameter No.25 (Pulse Train Control Mode).