Publication 1752-UM001A-EN-P - October 2006
158 Function Blocks Command Reference
The Output Enable signal turns on if the Reset signal is correctly
received while the Monitored Input condition to the Reset function
block is on. This function block can be used to prevent the machine
from automatically resetting when power to the controller is turned
on, when the operating mode is changed from Idle mode to Run
mode, or when a signal from a safety input device turns on.
The Static Release and Reset Required Indication are optional outputs.
To enable either of these outputs, check the checkbox on the Out
point tab of the Function Block Properties dialog.
Reset Function Block Parameters
You can set the Reset signal for either Low-High-Low or Rising Edge
using the Parameter tab of the Function Block Properties dialog. The
default setting is Low-High-Low.
When configured for Low-High-Low, the Reset signal must meet the
following conditions.
Conditions for Outputs Turning On
Output Condition for Turn-on
Output Enable The Monitored Input and all enabled optional inputs
must be ON, and the Reset signal must be received
correctly.
Static Release The Monitored Input and all enabled optional inputs
must be ON.
Reset Required Indication The Reset Required Indication becomes a 1 Hz pulse
output if the Monitored Input and all enabled optional
inputs are ON, and the Output Enable signal is OFF.
The Reset Required Indication turns ON only when the
Reset signal is ON.
350 ms min
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