GE F60 UR Series Instruction Manual page 341

5 SETTINGS
b) DIRECT OUTPUTS
PATH: SETTINGS INPUTS/OUTPUTS
DIRECT OUTPUT 1
MESSAGE
MESSAGE
The setting allows the user to assign a descriptive name to the direct output. The
DIRECT OUT 1 NAME
the FlexLogic™ operand that determines the state of this direct output.
c) APPLICATION EXAMPLES
The examples introduced in the earlier Direct inputs and outputs section (part of the Product Setup section) are continued
below to illustrate usage of the direct inputs and outputs.
EXAMPLE 1: EXTENDING INPUT/OUTPUT CAPABILITIES OF A F60 RELAY
Consider an application that requires additional quantities of digital inputs or output contacts or lines of programmable logic
that exceed the capabilities of a single UR-series chassis. The problem is solved by adding an extra UR-series IED, such
as the C30, to satisfy the additional inputs/outputs and programmable logic requirements. The two IEDs are connected via
single-channel digital communication cards as shown below.
Figure 5–113: INPUT AND OUTPUT EXTENSION VIA DIRECT INPUTS AND OUTPUTS
Assume contact input 1 from UR IED 2 is to be used by UR IED 1. The following settings should be applied (Direct Input 5
and bit number 12 are used, as an example):
UR IED 1:
DIRECT INPUT 5 DEVICE ID
DIRECT INPUT 5 BIT NUMBER
The operand of UR IED 2 is now available in UR IED 1 as
Cont Ip 1 On
EXAMPLE 2: INTERLOCKING BUSBAR PROTECTION
A simple interlocking busbar protection scheme can be accomplished by sending a blocking signal from downstream
devices, say 2, 3 and 4, to the upstream device that monitors a single incomer of the busbar, as shown in the figure below.
Figure 5–114: SAMPLE INTERLOCKING BUSBAR PROTECTION SCHEME
GE Multilin
DIRECT OUTPUTS
DIRECT OUT 1 NAME:
Dir Out 1
DIRECT OUT 1 OPERAND:
Off
DIRECT OUTPUT
EVENTS: Disabled
UR IED 1
UR IED 2
= "2"
= "12"
UR IED 2 UR IED 3
F60 Feeder Protection System
DIRECT OUTPUT 1(32)
Range: up to 12 alphanumeric characters
Range: FlexLogic™ operand
Range: Enabled, Disabled
1
TX1
RX1
TX1
RX1
UR IED 2:
DIRECT OUT 12 OPERAND
.
DIRECT INPUT 5 ON
UR IED 1
BLOCK
UR IED 4
842712A1.CDR
5.7 INPUTS/OUTPUTS
is
DIR OUT 1 OPERAND
= "Cont Ip 1 On"
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