7SR220 Settings Guide
Unrestricted ©2018 Siemens Protection Devices Limited Page 57 of 107
Description Range Default
E16
Specify logic equations of the form En =
<Operand><Operator><Operand>using the
following:0123456789=Digit() = Parenthesis! = NOT operation.
= AND operation^ = EXCLUSIVE OR operationE(followed by a
digit) = Equation numberF (Followed by a digit) = Function Key
numberI(Followed by a digit) = Binary Input numberL(Followed
by a digit) = LED numberO(Followed by a digit) = output relay
numberV(Followed by a digit) =Virtual Input/Output
number.ExamplesMake a function key LED toggle when
function key is pressed (requires E1 to drive L11 in output
matrix)E1 = F3^L11
(20 Character String)
E16 Pick-up Delay
Time before equation output operates, after equation satisfied
0, 0.01 ... 14300, 14400 0 s
E16 Drop-off Delay
Time before equation output resets, after equation nolonger
satisfied
0, 0.01 ... 14300, 14400 0 s
E16 Counter Target
Select number of times equation must be satisfied before
equation output operates
1, 2 ... 998, 999 1
E16 Counter Reset Mode
Select type of counter reset mode
Off, Multi-shot, Single-shot Off
E16 Counter Reset Time
Select counter reset time
0, 0.01 ... 14300, 14400 0 s
E16 Equation
Enable or Disable logic equation E16
Disabled, Enabled Disabled
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