1-2
PQM Power Quality Meter
GE Power Management
1.1 INTRODUCTION
1 OVERVIEW
1
Figure 1–1: PQM FEATURE HIGLIGHTS
823756AK.CDR
STATUS
COMMUNICATE
RELAYS
VALUE
MESSAGE
ACTUAL
SETPOINT
RESET
STORE
SIMULATION
ALARM
SELF TEST
PROGRAM
TX2
TX1
RX2
RX1
AUX2
ALARM
AUX3
AUX1
STATUS:
COMMUNICATE:
RELAYS:
- Alarm condition present
- Setpoint programming is
enabled
- Simulated values being
used for test/training
- internal fault detected,
service required
ALARM
PROGRAM
SIMULATION
SELF TEST
For monitoring communication activity:
COM1 transmit data
COM1 receive data
COM2 transmit data
COM2 receive data
TX1
RX1
TX2
RX2
ALARM
AUX1
AUX2
AUX3
Auxiliary relay activated by
programmable function.
Alarm condition present.
See display for cause.
}
DISPLAY
40 character illuminated display for
programming, monitoring, status, fault
diagnosis, user programmable messages
and setpoints. Programmable auto scan
sequence for unattended operation.
SETPOINT KEY:
COMPUTER INTERFACE:
Program all setpoints. Tamperproof
settings with passcode and access jumper
prevent unauthorized setpoint changes.
RS232 comm port for connecting to a PC.
Use for downloading setpoints, monitoring,
data collection, printing reports.
KEYPAD:
DOOR:
Rubber keypad is dust tight and
splash proof.
Door covers keys and computer port
when not in use.
PQM
Power Quality Meter
g
823755AL.CDR
FUSE ACCESS
ANALOG INPUT
Control power fuse accessible under sliding
door.
Accept 4-20mA analog inputs for transducer
interface.
VT INPUTS:
0-600V, 3 wire or 4 wire voltage inputs.
Direct (up to 600V) or VT (>600V for
isolation) connections.
CT INPUTS:
GROUND:
3 isolated phase CT inputs
1 isolated neutral CT input
1 Amp or 5 Amp secondary
Separate safety and filter ground
All inputs meet C37.90 and IEC 801-2
EMI, SWC, RFI interference immunity.
AC/DC CONTROL POWER
Universal control power
90-300 VDC
70-265 VAC
COMPACT DESIGN
Panel mount replaces many discrete
components with one standard model.
PROGRAM UPDATING
Flash memory storage of firmware for field
updating via communications port. Enables
product updating on-site for latest features.
COMMUNICATIONS
Dual RS485 comm ports Modbus protocol.
Continuous monitoring/control via
SCADA system rear (RS485).
Front (RS232) or rear (RS485) access
allows simultaneous communication
via a PC or for redundant comms.
®
COM1
COM2/3
ANALOG OUTPUTS
4 isolated 0-1mA or 4-20 mA outputs replace
8 transducers. Programmable including:
A, V, W, var, VA, Wh varh, PF, Hz
SWITCH INPUTS
A
B
C
D
Programmable for relay activation,
counters, logic, demand synchronization,
setpoint access, alarm position
4 OUTPUT RELAYS
ALARM
AUX1
AUX2
AUX3
Programmable alarm conditions
actuated by programmable
setpoints, switch inputs, remote
communication control.
}
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Содержание Power Quality Meter Series
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Страница 10: ...vi PQM Power Quality Meter GE Power Management TABLE OF CONTENTS ...
Страница 29: ...GE Power Management PQM Power Quality Meter 2 5 2 INSTALLATION 2 2 ELECTRICAL 2 Figure 2 3 REAR TERMINALS ...
Страница 46: ...2 22 PQM Power Quality Meter GE Power Management 2 2 ELECTRICAL 2 INSTALLATION 2 ...
Страница 56: ...3 10 PQM Power Quality Meter GE Power Management 3 4 DEFAULT MESSAGES 3 OPERATION 3 ...
Страница 166: ...6 20 PQM Power Quality Meter GE Power Management 6 6 POWER ANALYSIS 6 SOFTWARE 6 ...
Страница 274: ...B 4 PQM Power Quality Meter GE Power Management B 1 TABLES AND FIGURES APPENDIXB B ...
Страница 276: ...C 2 PQM Power Quality Meter GE Power Management C 1 PQM WARRANTY APPENDIXC C ...
Страница 281: ...GE Power Management PQM Power Quality Meter NOTES ...