Rockwell Automation 1760-xxxx Pico GFX-70 Controllers User Manual - Manual (Page 190)

Publication 1760-UM002B-EN-P - March 2005
4-80 Wiring with Pico GFX-70
Figure 4.33 Pico GFX-70 circuit diagram with high-speed counter
Parameter display and parameter set for high-speed counters:
In the parameter display of a counter relay you change set point values and/or
the preset value and enable 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 CH..CY to status 1.
• The function block retains the value of the last valid operation.
I 05---------------------------[ CH01EN
I 06---------------------------[ CH01RE
I 07---------------------------[ CH01D_
I 08---------------------------[ CH01SE
CH01OF-------------------------[ Q 01
CH01FB-------------------------[ Q 02
CH01ZE-------------------------[ Q 03
CH01CY-------------------------S M 94
CH01 +
>SH
>SL
>SV
QV>
CH01 High-speed counter function block number 01
+ 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
Counter CH counts every rising edge on the counter input.
If the value range is exceeded, the switching contact CH
..CY switches to status 1 for one cycle per rising edge
detected.