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State machine – Toshiba Tosvert VF-MB1/S15 User Manual

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3.4.

State Machine











































STW: Control Word
ZSW: Status Word


: State

: Condition

Notes

STW Bit 10, 12 = 1 or

cmod

= 4 is needed for above control.

If

cmod

is set to Local (0, 1, 2 or 3), set 1 to STW Bit10 and 12 first after turning on the

power supply of VF-MB1/S15.

Check ZSW always and take care to give the command to STW.

SWITCH-ON

INHIBIT

NOT READY TO

SWITCH-ON

READY TO

SWITCH-ON

OPERATING

READY TO

OPERATE

OPERATION

INHIBIT

OFF1

ACTIVE

OFF3

ACTIVE

OFF2

ACTIVE

FAULT

ENABLE

OPERATION

ZSW Bit 6 = 1

ZSW Bit 0 = 0

STW Bit 0 = 0

STW: xxxx xxxx xxxx x110

ZSW Bit 0 = 1

STW: xxxx xxxx xxxx x111

from any state

FAULT

STW Bit 7 = 1

ZSW Bit 5 = 0

from any state

ZSW Bit 3 = 1

Power ON

STW Bit 3 = 0

ZSW Bit 2 = 0

ZSW Bit 4 = 0

from any state

A B C D

STW Bit 0 = 0

ZSW Bit 1 = 0

from any state

Frequency = 0

STW Bit 3 = 1

ZSW Bit 1 = 1

STW Bit 2 = 0

STW Bit 1 = 0

ZSW Bit 2 = 1

A

STW Bit 4 = 1

D

ZSW Bit 8 = 1

MAINS OFF

Jogging 1 or 2

ACTIVE

Jogging 1 or 2

PAUSE

STW Bit 4 = 0, Bit 5 = 0, Bit 6 = 0

STW Bit 8 (or Bit 9) = 0

Jogging ON

Jogging OFF

0 -> 1

Emergency Stop

Coast stop

Normal Stop

STW Bit 8 (or Bit 9)= 1

STW Bit 4 = 0

B C D

C D

STW Bit 5 = 0

RFG: ENABLE

OUTPUT

B

RFG: ENABLE

RUN UP

C

STW Bit 5 = 1

STW Bit 6 = 0

D

STW Bit 6 = 1