GE Power Quality Meter Series Instruction Manual page 12

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