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Command Reference: Function Blocks
Section 6-5
General Description
The Emergency Stop Pushbutton Monitoring function block allows the user to
monitor an emergency stop pushbutton switch.
The Output Enable signal will turn ON if the input from the emergency push-
button being monitored is active. The Output Enable signal will turn OFF if the
input is inactive or if an error is detected for the function block.
IMPORTANT
A manual reset function is required for emergency stop applications. When
using the Emergency Stop Pushbutton Monitoring function block, you must
also use the Reset function block.
Refer to
A-1-1 Emergency Stop Application: Dual Channel Mode with Manual
Reset
for a Programming Examples.
Set Parameters
The discrepancy time must be equal to or greater than the NE1A-series Con-
troller’s cycle time.
Optional Output Setting
The following error output can also be used in programming. To enable this
optional output, select the checkbox on the Out Point Tab Page of the function
block properties dialog box.
• Discrepancy Error
Fault Present Output Setting
A Fault Present output can also be used in programming.
To enable this output, select the Fault Present checkbox on the Out Point Tab
Page of the function block properties dialog box.
Maximum Number of I/O for a Emergency Stop Pushbutton Monitoring Func-
tion Block
Parameter
Setting range
Default setting
Input Type
Single Channel
Dual Channel Equivalent
Dual Channel Complementary
Dual Channel
Equivalent
Discrepancy Time
0 to 30 s in 10-ms increments
A discrepancy time check will not be performed
if 0 is set.
30 ms
Summary of Contents for NE1A-SCPU01 - 07-2009
Page 3: ...iv...
Page 9: ...x TABLE OF CONTENTS...
Page 11: ...xii...
Page 15: ...xvi...
Page 70: ...35 Installation Section 3 1 Top Top Bottom Bottom...
Page 72: ...37 Installation Section 3 1 3 1 3 Dimensions and Weight Dimensions NE1A SCPU01 V1...
Page 85: ...50 Wiring Section 3 2...
Page 123: ...88 Explicit Message Communications Section 4 7...
Page 141: ...106 Safety Outputs Section 5 4...
Page 257: ...222 Connection Status Tables Section 10 8...
Page 261: ...226 NE1A series Controller Replacement Section 11 2...
Page 264: ...229 Appendix A Local Input and Test Output Setting Example Local Output Setting Example...
Page 266: ...231 Appendix A Programming Example Local Input and Test Output Setting Example...
Page 267: ...232 Appendix A Local Output Setting Example...
Page 269: ...234 Appendix A Programming Example Local Input and Test Output Setting Example...
Page 270: ...235 Appendix A Local Output Setting Example...
Page 273: ...238 Appendix A Local Input and Test Output Setting Example Local Output Setting Example...
Page 275: ...240 Appendix A Programming Example Local Input and Test Output Setting Example...
Page 276: ...241 Appendix A Local Output Setting Example...
Page 289: ...254...
Page 293: ...258 Index...