Yaskawa SGDH Linear Sigma Series - Manual (Page 269)

9.3 Trial Operation for Linear Servomotor without Load from Host Reference
9-25
9
„ When Position Control is configured at the Host
When the SERVOPACK conducts speed control and position control is conducted at the host controller, perform the oper-
ations below, following the operations in 9.3.2 Operating Procedure in Speed Control Mode (Pn000 = n.oo0o) on the pre-
vious page.
Step Description Check Method and Remarks
9 Check the input signal circuit again, and check that
the speed reference input (voltage between the V-
REF and SG) is 0 V. Refer to the above figure for input signal circuit.
10 Turn ON the servo ON (/S-ON) input signal. If the linear servomotor moves at extremely slow
speed, refer to 9.7.3 Adjusting Offset, and use the ref-
erence voltage offset to keep the servomotor from
moving.
11 Send the command for the movement amount easy
to check (for example, 1 cm) from the host control-
ler in advance, and check the sent movement
amount and actual movement distance by visual
inspection and the Un00D (feedback pulse
counter)[pulse]. Refer to 8.1.3 Basic Mode Selection and Operation for
how it is displayed.
Un00D (feedback pulse counter) [pulse]
12 If the sent movement amount and actual movement
distance in step 11 are not equal, correctly set the
Pn281 (PG divider) outputting the encoder pulse
from the SERVOPACK. Refer to 9.7.7 Encoder Signal Output for how to set.
Encoder output resolution (Pn281 [P/Pn280]):
The number of encoder pulses per scale pitch
13 When the speed reference input is set to 0 V and
servo OFF status enters, the trial operation for posi-
tion control with the host controller is completed. −
INFO
M
Host
Position control Speed control
SERVOPACK
Analog speed
reference