Rockwell-automation 1760-xxxx Pico GFX-70 Controllers User Manual Manual de usuario descargar pdf (Pagina 179)

Publication 1760-UM002B-EN-P - March 2005

Wiring with Pico GFX-70 4-69

Figure 4.29 Pico GFX-70 circuit diagram with counter relay

Parameter Display and Parameter Set for the Counter Relay

In the parameter display of a counter relay you change set point values and/or

the preset value and the enabling of the parameter display.

Value Range

The function block operates in the integer range from

-2147483648 to 2147483647.

Behavior when value range is exceeded

The function block sets the switching contact C .. CY to the status 1 and

retains the value of the last valid operation.

I 05---------------------------[ C 20C_

I 06---------------------------[ C 20RE

I 07---------------------------[ C 20D_

I 08---------------------------[ C 20SE

C 20OF-------------------------[ Q 01

C 20FB-------------------------[ Q 02

C 20ZE-------------------------[ Q 03

C 20CY-------------------------S M 42

C 20 +

>SH

>SL

>SV

QV>

C 20 Counter relay function block number 20

+ Appears in the parameter display

>SH Upper set point

>SL Lower set point

>SV Defined actual value (Preset)

QV> Actual value in RUN mode

IMPORTANT

The counter C counts every rising edge on the counter

input. If the value range is exceeded, the switching contact

C ..CY switches to status 1 for one cycle per rising edge

detected.

1 2 ... 174 175 176 177 178 179 180 181 182 183 184 ... 399 400

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