Rockwell-automation 1760-xxxx Pico GFX-70 Controllers User Manual Instrukcja Użytkownika Strona 198

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Publication 1760-UM002B-EN-P - March 2005
4-88 Wiring with Pico GFX-70
Displaying the Parameter Set in the PARAMETERS Menu
+ Access enabled
- Access disabled
Contacts
CI01OF to CI02OF: Actual value Upper setpoint
CI01FB to CI02FB: Actual value Lower setpoint
CI01ZE to CI02ZE: Actual value = Zero
CI01CY to CI02CY: Value range exceeded
Coils
CI01EN to CI02EN:Counter enable
CI01RE to CI02RE:Reset actual value to zero
CI01SE to CI02SE:Accept preset actual value with rising edge.
Memory Requirement of the Counter Relay
The high-speed counter function block requires 52 bytes of memory plus 4
bytes per constant on the function block inputs.
Retention
High-speed counter relays can be operated with retentive actual values. The
number of retentive counter relays can be selected in the SYSTEM
RETENTION menu.
If a counter relay is retentive, the actual value is retained when the operating
mode changes from RUN to STOP as well as when the power supply is
switched off.
If Pico GFX-70 is started in RUN mode, the counter relay operates with the
retentively saved actual value.
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