YASKAWA VS-626M5 Instruction Manual download pdf (Page 50)

Chapter 1 Troubleshooting and Treatment

1-３６

7. Communication Troubles

Present state: ① In spite of trying to enter the program in edit mode from an external device, the

length of entered tape is not displayed while the message “being entered” is

flickering on the screen.

② The operator tried to operate the DNC, but the number indicating the length of

entered tape remains as ‘0.00 m’ and does not change, while the message

“being entered” is flickering on the screen.

③ In spite of trying to output the program in edit mode from an external device, it

is impossible to input the program into the PC, while the message “being

output” and the length of the tape are displayed on the NC screen.

Items Cause of Trouble How to Verify Measures

Improper cable

wiring

Check the cable wiring.

Parameter setting

error

Make adjustment between the

communication device and the parameters

of the SENTROL2.

Refer to Appendix

14 of this manual

(pages 9-19).

No ‘%’ signal at

the head of the

program.

1) Is there the ‘%’ signal at the head of the

program?

2) Is the software one to whose head the ‘%’

signal is attached during communication,

even when the signal does not exist at

the head of the program?

Refer to Appendix

14 of this manual

(pages 9-18).

Telecommunicatio

n ICs in trouble

Check the connector voltage of the

SENTROL2 side

(25PIN connector

/9PIN connector) (Normal voltage)

SD (2PIN/3PIN)

- 8 ~ - 12V

SG (7PIN/5PIN)

RD (3PIN/2PIN)

0V ~ 0.5V

SG (7PIN/5PIN)

RS (4PIN/7PIN)

- 8 ~ - 12V

SG (7PIN/5PIN)

CS (5PIN/8PIN)

0V ~ 0.5V

SG (7PIN/5PIN)

Possibility of IC

trouble when the

voltage is not

normal.

(Needs to replace

the CPU card.)

↓

Please contact us.

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YASKAWA VS-626M5 Instruction Manual Page 50

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