GE Industrial Solutions Entellisys 5.0 User Manual User Manual

Page 213

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FlexLogic example

203

11

NOTE: The settings required for the timer are established in

FlexLogic timers on page 197

.

97: The operator preceding Timer 2 is OR #2, a 3-input OR, which is parameter “OR (3)”.

96: The lowest input to OR #2 is operand “Cont Ip H1c On”.

95: The center input to OR #2 is operand “TIMER 1”.

94: The input to Timer 1 is operand “Virt Op 3 On”.

93: The upper input to OR #2 is operand “LATCH (S, R)”.

92: There are two inputs to a latch, and the input immediately preceding the latch reset is
OR #1, a 4-input OR, which is parameter “OR (4)”.

91: The lowest input to OR #1 is operand “Virt Op 3 On”.

90: The input just above the lowest input to OR #1 is operand “XOR (2)”.

89: The lower input to the XOR is operand “DIG ELEM 1 PKP”.

88: The upper input to the XOR is operand “Virt Ip 1 On”.

87: The input just below the upper input to OR #1 is operand “Virt Op 2 On”.

86: The upper input to OR #1 is operand “Virt Op 1 On”.

85: The last parameter is used to set the latch, and is operand “Virt Op 4 On”.

b. Write the parameters in numerical order to now form the equation for VIRTUAL

OUTPUT 4:
[85] Virt Op 4 On
[86] Virt Op 1 On
[87] Virt Op 2 On
[88] Virt Ip 1 On
[89] DIG ELEM 1 PKP
[90] XOR (2)
[91] Virt Op 3 On
[92] OR (4)
[93] LATCH (S, R)
[94] Virt Op 3 On
[95] TIMER 1
[96] Cont Ip H1c On
[97] OR (3)
[98] TIMER 2
[99] = Virt Op 4

c. It is now possible to check that the selection of parameters will produce the required

logic by converting the set of parameters into a logic diagram. The result of this process

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