LD Language Elements

Flasher unit, control held down synchronously (type D):

The following diagram shows the operation of the type D timer:

TT

RT

T

tA tA

Flasher unit, Press to start/stop, Synchronous (type d):

The following diagram shows the operation of the type d timer:

TT

RT

T

tA tA

Note: each pulse on the TTx input resets the current timer value to 0.

Flasher unit, control held down asynchronously (type L):

The following diagram shows the operation of the type L timer:

TT

RT

T

tA tB

108

SR2MAN01 11/2007

Page 95
Image 95
Schneider Electric SR2MAN01 user manual Flasher unit, control held down synchronously type D