Schweitzer Engineering SEL-351P - Section 7: Inputs, Outputs, Timers, and Other;Control Logic

Date Code 990215 Inputs, Outputs, Timers, and Other Control Logic i
SEL-351P Manual Técnico
TABLE OF CONTENTS
SECTION 7: INPUTS, OUTPUTS, TIMERS, AND OTHER
CONTROL LOGIC...................................................................................
7-1
Optoisolated Inputs.......................................................................................................................7-1
Input Debounce Timers.........................................................................................................
7-2
Input Functions .....................................................................................................................
7-3
Settings Examples.................................................................................................................
7-3
Input IN101 ...................................................................................................................
7-3
Input IN102 ...................................................................................................................
7-4
Extra Local Control Switches.......................................................................................................
7-5
Local Control Switch Types .................................................................................................
7-6
ON/OFF Switch ............................................................................................................
7-6
OFF/MOMENTARY Switch........................................................................................
7-6
ON/OFF/MOMENTARY Switch .................................................................................
7-7
Settings Examples.................................................................................................................
7-8
Additional Local Control Switch Application Ideas.............................................................
7-9
Local Control Switch States Retained ..................................................................................
7-9
Power Loss....................................................................................................................
7-9
Settings Change or Active Setting Group Change......................................................
7-10
Remote Control Switches ...........................................................................................................
7-10
Remote Bit Application Ideas.............................................................................................
7-11
Remote Bit States Not Retained When Power is Lost........................................................
7-11
Remote Bit States Retained When Settings Changed or Active Setting Group
Changed.......................................................................................................................
7-11
Latch Control Switches...............................................................................................................
7-11
Latch Control Switch Application Ideas.............................................................................
7-12
Reclosing Relay Enable/Disable Setting Example .............................................................
7-13
Feedback Control ........................................................................................................
7-14
Rising Edge Operators ................................................................................................
7-14
Use a Remote Bit Instead to Enable/Disable the Reclosing Relay.............................
7-15
Latch Control Switch States Retained ................................................................................
7-16
Power Loss..................................................................................................................
7-16
Settings Change or Active Setting Group Change......................................................
7-16
Reset Latch Bits for Active Setting Group Change............................................................
7-16
Note: Make Latch Control Switch Settings with Care ......................................................
7-17
Multiple Setting Groups .............................................................................................................
7-19
Active Setting Group Indication.........................................................................................
7-19
Selecting the Active Setting Group.....................................................................................
7-19
Operation of SEL
OGIC Control Equation Settings SS1 through SS6 .................................7-20
Operation of Serial Port GROUP Command and Front-Panel GROUP Pushbutton..........
7-20
SEL-351P Disabled Momentarily During Active Setting Group Change ..........................
7-21
Active Setting Group Switching Example 1.......................................................................
7-21
Start Out in Setting Group 1 .......................................................................................
7-23
Switch to Setting Group 4...........................................................................................
7-23
Switch Back to Setting Group 1..................................................................................
7-23
Active Setting Group Switching Example 2.......................................................................
7-24