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4 ACCEPTANCE/PERIODIC TESTS
RATED DC POWER
48, 125, 250 V DC
The LPS-D includes 8 configurable inputs and 18 configurable outputs. They provide great flexibility in applying
and testing the relay. The configurable inputs and outputs are user-programmed to determine their use. For
example, one input could be used to trigger oscillography, while another could be used to select a settings
group. Each output can be set as one of the 217 different flags available in the relay.
a) TEST T3 PROCEDURE
1. Connect the relay as shown in Figure 4–2: CONFIGURABLE INPUT/OUTPUT TEST CONNECTIONS on
page 4–13 with default configurable logic installed.
GE Power Management
X
CONTINUITY
TESTER
Y
A1
+
SUPPLY
-
A17
A2
A18
Figure 4–1: DIGITAL OUTPUT TEST CONNECTIONS
4.2.4 T3 – CONFIGURABLE INPUT AND OUTPUT TEST
LPS-D Line Protection System
4.2 GENERAL RELAY TESTS
DIGITAL OUTPUTS
(see Table 4-2)
UNIT UNDER TEST
CASE GROUND
SURGE GROUND
4
4-
11
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