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Landis+Gyr, Inc.
MAXsys 2510 Metering
Family
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MAXSYS Topics
Review of Current Features
The latest new Features
Value Added solutions
The next generation
Landis+Gyr, Inc
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MAXsys 2510 - 19” Rackmount Style
•All standard features
•Auto-ranging power
supply
•40-140V or 85-330V
•3 option slots
•3 element meter only
•Mating cables sold
separately
•19” rack bracket
available
Landis+Gyr, Inc
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MAXsys 2510 – Switchboard Styles
•Tall and short
switchboard models
available
•All standard features
•Auto-ranging power
supply
•40-140V or 85-330V
•3 option slots
•3 element meter only
•Mating cables sold
separately
Landis+Gyr, Inc
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MAXsys 2510 – Socket-base Styles
•All standard features
•Standard or custom
cabling
•Auto-ranging power
supply
•40-140V or 85-330V
•3 option slots
•Form 9/8S, 35S, 36S, 10S,
26S, 5S
•Mating cables sold
separately
Landis+Gyr, Inc
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MAXsys 2510 Standard Features
Per phase volts, amps, watts and var
measurement for power quality monitoring, total
harmonic distortion and power outages
Transformer Loss Compensation
Line Loss Compensation
20 mA Current Loop Port
Four programmable pulse outputs
Flash EPROM
AC or DC Auxiliary Power
Four quadrant metering
ANSI and IEC approved for class 0.2 metering
Landis+Gyr, Inc
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MAXsys 2510 Standard Features
16 bit microprocessor, bus architecture
Multi-tasking operating system
Bi-directional measurement
16 channel data recording
Time of Use
2 line x 16 character programmable display
Totalization Functions
Modular design for upgrading/adding options
Non volatile memory for operating parameters
and display registers
Landis+Gyr, Inc
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MAXsys 2510 Standard Features
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Password protected
Read-only password - 2 available
No-format jumper - for security and sealing
RS-232-1 port for external modem, etc
RS-232-2 port for bi-directional interface
Individually addressable
256K RAM
Re-chargeable back-up battery for profile data
and clock
 Power Outage Monitoring
Landis+Gyr, Inc
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MAXsys 2510 Optional Features
4 Analog outputs (up to 8 available)
 4-20 mA or +/-1 mA
8 auxiliary Inputs for process loads, gas, water, etc..
Up to 12 output relays for alarms, capacitor control
and load control functions (4 outputs standard)
Protocol Converter board for SCADA interface
 DNP 3.0 level 3, Modbus, and many others
1200 or 2400 baud modem with master/slave interface
485 port (requies protocol card)
Instrument Transformer Compensation
Landis+Gyr, Inc
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MAXsys 2510 Value Added Solutions
 Transformer Loss Calculations
 Multiple Levels of Calculations
• Calculate the losses Netting Of Sub-loads Before
Calculations
• Subtracting station service loads before
calculating the losses across power across
multiple transformers simultaneously.
 Logic Control Of Calculations
• Controls when and how the loss are calculated
base on logic conditions.
• transformers.
 Summing of Loads Before Calculations
• Summing generator loads which share power
transformers.
 Compensated Analog Values
• Provides compensated analog values at all points
of compensation.
Landis+Gyr, Inc
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MAXsys 2510 Value Added Solutions
 Line Loss Calculations
 Loss calculations
• Resistance
• Reactance
• Charging Vars
 Multiple Levels Of Compensation
• Calculate the line losses across multiple lines at
different points of transmission simultaneously.
 Multiple Sets Of Constants For Each Level
• Allows the meter to change the loss calculations
as the transmission lines are reconfigured.
 Logic Control Of Calculations
• Logic control from external inputs and or
communications allow the loss calculation to
change based on real time reconfiguration of the
transmission lines.
Landis+Gyr, Inc
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MAXsys 2510 Value Added Solutions
 DNP 3.0 Level 2 & 3
 Complies to DNP3-2000 Certification Procedure
 Binary Inputs(27)
 AND OR Logic Control
 Binary Outputs (12)
 Analog&Counter Outputs(96)
 Event Storage (Binary,Analog,Counter & Freeze)
 Unsolicited Responses
 Collision Avoidance
 Relay Control (S.B.O.,Direct No ACK & With ACK)
 Communication speeds up to 19200
Landis+Gyr, Inc
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MAXsys 2510 Value Added Solutions
 Power Quality
 Outage Reporting
• Reports loss of voltage to the meter electronics
• Reports restoration of voltage to the meter electronics
 Loss of Phase
• Reports loss of voltage to any metered phase
• Reports restoration of voltage to any metered phase
 Captures Voltage Events (Sags & Swells)
• Captures date and time of event
• Stores length of the event (1/2 cycle)
Landis+Gyr, Inc
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MAXsys 2510 Value Added Solutions
 Power Quality
 Captures Simultaneous Current
• Captures the simultaneous value of current with the sags or
swells of the voltage
 Stores Daily Highs and Lows
• Stores 6 high and low values (programmable) per day
• Circular memory stores previous 3 days of highs and lows
 Total Harmonic Distortion
• Can display, record and control
– 60 Hz or 50 Hz values (fundamental)
– Non-fundamental values
– Total (net) values
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DURATION
1 CYCLE RMS
HI TRIP POINT
RMS PHASE
VOLTAGE
CURRENT
MONITORING
LOW TRIP POINT
1 SECOND
1 SECOND
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Time Stamped Power Quality Events
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MAXsys 2510 Value Added Solutions
Instrument Transformer Correction
(IT; CT’s and VT’s)
Phase and Ratio error must be known at the burden levels
that the transformers in the meter system actually see.
 Wiring losses must be included as well.
The PT ratio and phase corrections are fixed and do not
change with levels.
The CT ratio and phase corrections are DYNAMIC and
change with current levels as needed.
The corrections are done at the beginning of the signal
processing and they benefit all readings, as well as watt
and VAR pulses.
Landis+Gyr, Inc
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MAXsys 2510 Value Added Solutions
 Instrument Transformer Correction
(IT; CT’s and VT’s)
 Many existing installations have instrument transformer which
may not meet metering accuracy class 0.3%. The dynamic CT
correction allows for system accuracy improvements without
changing the existing CT’s.
 Increased accuracy can yield increased revenue.
 Increased accuracy without buying new transformers.
 Increased accuracy without the labor of changing out CT’s.
 Improves the overall accuracy of all CT installations including
metering system which have metering accuracy CT’s.
Landis+Gyr, Inc
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MAXsys 2510 Value Added Solutions
Instrument Transformer Correction
(IT; CT’s and VT’s)
 A switch in Maxcom allows the user to turn the correction ON and
OFF without losing CT correction data in the meter – useful for
testing of the meter.
 Operation of the correction can be verified by running watt-hour
registration at 5A PF=1.0 and 0.5 Lag, and at 0.5A PF=1.0 and 0.5
Lag. Expected readings can then be verified.
Landis+Gyr, Inc
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Relay CT and Meter – With and Without
Correction Applied
System % Registration
102.000
101.800
101.600
101.400
101.200
101.000
100.800
100.600
% Accuracy
100.400
100.200
FL No
Pf No
Pf With
FL With
100.000
99.800
99.600
99.400
99.200
99.000
98.800
98.600
98.400
98.200
98.000
15
25
50
100
150
250
400
Load Points
Landis+Gyr, Inc
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MAXsys 2510 Value Added Solutions
Internet Connectivity – ET-Lite Device Server
External device that interfaces with RS-232 port
 Siemens native protocol
 Industry protocols (DNP 3.0, MODBUS, etc)
Gives the meter an IP address
 Link to the internet
 Connection to an Ethernet LAN
Data encryption over the Internet
Landis+Gyr, Inc
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MAXsys 2510 – IP Addressability
•Makes any
serial device IP
addressable
•Standard
Ethernet type
connection
•Low power
requirements
•Easily
programmed
•Easy to install
Landis+Gyr, Inc
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MAXsys 2510 Value Added Solutions
 Energy Terminal device server
 Multi-port communications
 Pki encryption capability
 Upload meter information directly to an Internet website
• Real time data with 4 second updates
• Type 7 or industry standard protocols
 Applications
 Energy management systems
 C&I accounts
 IPP’s
Landis+Gyr, Inc
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New Product Features
Dual RTU boards
 Modbus, DNP 3 level 2, cooper, PG&E, & others
 Second board must be DNP 3 level 2
Dual 16 channel recorders
 Independently programmable interval lengths
 Increased RAM to 512K
True 1-second updates
Increased port speeds (19200)
Peer to peer networking capabilities
Data gates
 Advanced math package for increased flexibility
Landis+Gyr, Inc
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Why Peer to Peer Communications?
 Can free up option card slot
 Reduce installation cost
 Labor and material
 Transfers more information
 Data (real time)
 Status (real time)
 Improves meter summing & netting
 Instantaneous values
 Analog outputs
 Improves real time information
 Reduces granular data
Landis+Gyr, Inc
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Math Package
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Addition (Sum)
Subtraction (Diff)
Multiple (Prod)
Divide (Quot)
Square Root (SQRT)
Data Gates
40 Totalizers
32 User defined calculations
Landis+Gyr, Inc
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Data Gates Application
Del. Kwh
Auxiliary Input
8 Status 1
Total Del. Kwh
Y1
True
Y1
False
Data
Gate
Del. Kwh CAISO
Data
Gate
Del. Kwh CFE
Data
Gate
Rec. Kwh CAISO
Rec. Kwh
Landis+Gyr, Inc
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Market Segmentation
 Generation stations
 Transmission & sub-transmission stations
 Distribution stations
 New large end customers
Landis+Gyr, Inc
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Value Proposition - Generation
 RTU board vs. RTU
 Save cost difference + installation costs
 Multi-level transformer loss compensation
 Save cost of CTs, meter, and installation costs
 Analog outputs
 Save cost of transducers with uncompensated values
 Compensated analog values save install cost + transducers
 Multiple communication paths
 Save cost of additional meters + installation cost
 Peer to peer networking
 Save installation costs + hardware cost
Landis+Gyr, Inc
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Value Proposition - Transmission
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Multi-function revenue accurate IED (existing or new)
Improved accuracy
Multi-level TLC/LLC
Reduced cost with IT correction (existing stations)
 Increased accuracy can yield increased revenue.
 Increased accuracy without buying new transformers.
 Increased accuracy without the labor of changing out
CT’s.
 Improves the overall accuracy of all CT installations
including metering system which have metering
accuracy CT’s.
Landis+Gyr, Inc
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Value Proposition - Distribution
 Small point RTU built into Meter
 Saves cost of RTU
 Saves costs of installing full scale RTU
 Feeder monitoring (loading)
 Transformer monitoring (loading)
 Multiple communication paths
 Saves installation costs for additional metering
 Event reporting
Landis+Gyr, Inc
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Value Proposition - Large Industrial Customer
 Low cost RTU (special rates)
 Low side metering
 Reduced installation costs
• $70k for 69KV vs. $4K for 15KV
 Multiple communication paths
 Saves installation costs for additional metering
 Event reporting and load profiling
 Controls
 Logic and data gates
 Output relays
 8 inputs from other meters or peripheral devices
Landis+Gyr, Inc
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Future Product Features
High speed modem
 At least 19200 baud
 Compatible with older modems
 Updated technology to interface with digital cellular networks
Three-phase power supply
Long-life lithium battery
Digital inputs to meter from optical CTs and VTs
 Bypass measurement circuitry in meter
 Higher accuracy system for increased revenue stream
Development of next generation MAXsys meter
 Need utility input for design features
Landis+Gyr, Inc
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The Future of MAXsys Metering
 High-precision accuracy below 1mA secondary
 Advanced power quality features
 Waveform capture
 Individual harmonics
 Ethernet port under glass
 Flexibility of interfaces
 Fiber optic, RS485, RS232, 10base-T, etc.
 Optically isolated interface to the meter
 Wireless digital modem
 Plug and play upgradeability of new features
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Infrared LED
Reduced height
Transmit/Receive Status
Graphical Display
Visible LED
No Backlighting
Pushbutton
Access
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Power Quality Enhancements
 L+G diagnostics
 Waveform capture
• Triggered by a setpoint, programmable schedule
based on time or logic, or external signal
• Number of capture cycles user selectable
• 16 to 256 samples per cycle (selectable)
• Seven channels for recording
 Flicker – according to industry standards
 Individual harmonic analysis to 63rd harmonic
• Triggered by the same method as waveforms
Landis+Gyr, Inc
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Power Quality Enhancements
 Voltage Sags and Swells
• Quarter cycle resolution to X number of cycles
• Rolling floating point nominal voltage every X
number of minutes (user defined)
• Simultaneous current
• Three levels of voltage thresholds
• Three separate sag and swell recorders running
simultaneously
 Transient events
• Waveform recording to capture transients on
current and voltage waveforms
• Time resolution to within one (1) millisecond
Landis+Gyr, Inc
EVM
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EVM Online Reporting
 Event Log
 Power Quality
 Diagnostics
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Event Log
 Events logged by Month,Day,Hour
and Minute
 Up to 100 events in wrap-around
memory
Landis+Gyr, Inc
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Examples of Event Log
 ac power down
 ac power up
 Clock set
 Status input change
 Unit access
 Password change
 Cold start
 Static input register
 Relay Control Set-points
 Low Battery
 Etc.
Landis+Gyr, Inc
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EVM Power Quality
Per phase reporting
 Voltage outside tolerance range
(high or low)
 MAX or MIN volts (1,2,or 3 cycle
rolling 1/2 cycle)
 Coincidental current
 Length of event in 1/2 cycles
Landis+Gyr, Inc
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EVM
Time-Stamped Power Quality Events
Siemens Power Transmission & Distribution, Inc.
© Siemens, 2000
Landis+Gyr, Inc
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2410/2510 Diagnostic applications
S4 type diagnostics
Phase angle data
Per phase data
Dial in on diagnostics
Display diagnostics
Log diagnostics to history
Landis+Gyr, Inc
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Diagnostic Reporting
 Polarity and Cross Check (1)
 Any phase angle more than +/- 15 degrees
 Phase Voltage Deviation Check (2)
 Checks each phase against nominal
 Inactive Phase Current Check (3)
 Checks each current against specified value
in diagnostic control table. If any current is
below its threshold, fails; if all below, passes
Landis+Gyr, Inc
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Diagnostic Reporting
 Phase Angle Displacement Check (4)
 Verifies that power factor is within specified
limit on each enabled phase
 Current Magnitude Imbalance Check (6)
 Checks relative amplitude of the enabled
phase currents; compares each current to the
average of all currents
 Energy Direction Check (7)
 Fails if any phase energy flow is negative (received power)
Landis+Gyr, Inc
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Diagnostic Reporting
 Auto Sense
 Wye or Delta
 Phase A volts
 Phase rotation
 e.g. : 4 Wire Wye
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120 V
ABC
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Diagnostic Report
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Evsocket.log
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•
FILE: EVSOCKET. LOG
•
TIME: Sun Jul 16 00:55:19 2000
–
Call Date & Time: 07/16/2000 00:53:24
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An Installation Diagnostic Event has Occurred for UID:1234567
–
(C0l) Ajax Industrial 1234567890
–
(C02) Diagnostics
–
(U01) Ajax Industrial 1234567890
»
Auto-sense:
»

277 Volts 4 Wire WYE (ABC)
1 1 1 1 1 1 1
Diagnostic:
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6
»
Enabled:
Y Y Y Y N Y Y N N N N N N N N N
–
Pass for Diagnostic 4 (00019 fails total)
–
Fail for Diagnostic 6 (00032 fails total)
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EVM logging an Event
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EVM completing and reporting on notification via email.
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EVM call Logs
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Landis+Gyr, Inc.
Growing A Great
Relationship