Identification; System Block Diagram - GE LPS-D Instruction Manual

3.1 CASE ASSEMBLY
The LPS-D system model number label is located on the front cover. The terminal blocks located on the rear
cover plate are uniquely identified by a label that is found along the side of each terminal block Each terminal is
also identified.
Four connectors, PL1, PL2 (A & B), and PL3 are used for serial communication between the LPS-D and a PC
or modem. PL3 is an optional communications port. All three communications ports work independently.
The diagram below illustrates the external connections and the interconnections between the system modules.
3
SCADA INTERFACE
DIGITAL INPUTS
(CONTACT
CONVERTERS)
IRIG-B TIME SYNC
3-
4
I N P U T B O A R D
ANI
PROCESSOR
COMMUNICATIONS INTERFACE
AC CURRENTS / VOLTAGES
MAGNETICS MODULE
M A G N E T I C S M O D U L E
Figure 3–4: LPS-D SYSTEM BLOCK DIAGRAM
LPS-D Line Protection System
3 HARDWARE DESCRIPTION

3.1.4 SYSTEM BLOCK DIAGRAM

C P U B O A R D
i960
C P U
DSP PROCESSOR
LUI INTERFACE
DSP / ANI BOARD

3.1.3 IDENTIFICATION

O U T P U T / P O W E R
S U P P L Y B O A R D
DIGITAL
OUTPUTS
TRIP
ALARM
KEYING
POWER
SUPPLY
GE Power Management