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Delta Electronics AC Motor Drive VFD-E User Manual

Page 321

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Appendix D How to Use PLC Function|

D-38

Revision June 2008, 04EE, SW--PW V1.11/CTL V2.11

Explanations:

When the RST command is driven, motion of its specific device is as follows:

Device

Status

Y, M

Coil and contact will be set to “OFF”.

T, C

Present values of the timer or counter
will be set to 0, and the coil and contact
will be set to “OFF.”

D

The content value will be set to 0.

Program Example:

Ladder diagram:

Command code: Operation:

LD

X0

Load contact A of X0

X0

Y5

RST

RST

Y5

Clear contact Y5

Mnemonic Function

TMR 16-bit

timer

T-K T0~T15,

K0~K32,767

Operand

T-D T0~T15,

D0~D29

Explanations:

When TMR command is executed, the specific coil of timer is ON and timer will start to count. When

the setting value of timer is attained (counting value >= setting value), the contact will be as following:

NO(Normally Open) contact

Open collector

NC(Normally Closed) contact

Close collector

Program Example:

Ladder diagram:

Command code: Operation:

LD

X0

Load contact A of X0 T5 timer

X0

T5

TMR

K1000

TMR

T5 K1000 Setting is K1000