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MASTER SPECIFICATION
ION 7300 METERS
POWER MEASUREMENT AND CONTROL
PMAC instrument – 7300 ION
The PMAC instruments are UL, CSA and CE marked as follows:
1.
Certified to UL 3111, UL listed Digital Power Monitor 20SJ
2.
CAN/CSA-C22.2 No. 142-M1987 and CAN/CSA-C22.2 No. 1010-1
3.
CE marked
The PMAC instruments comply with the following standards:
1.
Safety: IEC 1010-1, EN61010-1
2.
Electromagnetic emissions: EN50081-2
3.
Electromagnetic susceptibility: EN50082-2
4.
Surge withstand and fast transient tests: ANSI/IEEE C37.90-1989
5.
ANSI C12.20-1999 Class 0.5
6.
Part 15 of FCC Rules for a Class A Digital Device.
7.
Industry Canada Revenue Metering Approval
QUALITY ASSURANCE
This specifies the traceability and quality assurance standards implemented during the
manufacturing of the PMAC instruments.
1.
The vendor is accredited to ISO 9001 quality assurance standards.
2.
The PMAC instruments are calibrated at the factory using instrument that are
certified to have been calibrated using standards whose accuracies are traceable to
the National Institute of Standards and Technology (NIST) or the National
Research Council of Canada (NRC).
SITE CONDITIONS
This specifies the environmental conditions required for the site installation of the PMAC
instruments.
7300 ION
1.
Temperature:
 Tran model (base unit without display): -20ºC to 60ºC (-4ºF to 122ºF)
 Integrated Display or Remote Display model: 0ºC to 50ºC (32ºF to 122ºF)
2.
Humidity: 5% to 95% non-condensing
EXISTING PRODUCTS
The PMAC instruments are mountable according to the following specifications:
PMAC instrument – 7300 ION
1.
The PMAC instrument base unit is flush mountable in existing switchgear
cabinets or similar locations, or using a DIN rail mount.
2.
The PMAC instrument is available as a combined front panel and base unit that
can be mounted in switchgear cabinet doors
3.
The PMAC instrument is available as a separate base unit and remote display unit.
The remote display unit is panel mountable in switchgear cabinet doors or similar
mounting surfaces.
Manufactured Units (PMAC Instruments)
The PMAC instruments are available with the following features:
1.
Form factor:
 Integrated display, with front optical port and barrier-type connectors for the
inputs, or
 Integrated display, with front optical port, or
 Transducer model (base) with remote display, or
 Transducer model (base) with remote display and DIN rail mounting on the
transducer base, or
 Integrated display, with front optical port
 Transducer model (no display), or
 Transducer model (no display), with DIN rail mounting
2. The PMAC instrument can be direct panel mounted in a 92mm x 92mm (3.6 in x 3.6
in) panel cutout, using sliding clamps tightened by thumbscrews.
3. The PMAC instrument supports direct display of all parameters on the front panel or
remote display in user programmable groups, using plain language labels.
Simultaneous access to all parameters is available through any communication port.
4. The remote display features a programmable time-out interval and adjustable
contrast. The display has the following features:
 Programmable buttons that allow access to 8 data display screens
 Panel mountable in a 92mm x 92mm (3.6 in x 3.6 in) panel cutout, using sliding
clamps tightened by thumbscrews; remote display can be mounted up to 6 feet
(1.8 meters) from the base unit.
 Displays any measured parameter with its corresponding label using any of the
following configurations:
o Display any 4 parameters simultaneously using alphanumeric characters,
or
o Display any 2 parameters simultaneously using large alphanumeric
characters, or
o Display any 1 parameter using very large alphanumeric characters.
o Display basic Voltage, Current, and Power readings using extra large
alphanumeric characters.
 Allow the user to change parameter labels.
 Allow the user to remove and replace the display panel without removing the
instrument from the equipment in which it is mounted.
5. Three 5A nominal (10A full scale) current inputs. All current inputs must be
transformer coupled and accept CTs with 5A nominal (10A full scale) outputs. All
current inputs provide:


300A surge protection for 1 second.
25% of full scale current continuous over-range capability.
6. Voltage inputs: The PMAC instrument has three auto-ranging voltage inputs with a
voltage rating of 50 to 347 VAC +25%.
7.
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8.
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The PMAC instrument has provisions for direct connection (require no PTs) for
Wye (Star) systems up to 347/600 VAC. For higher voltage systems, PTs with
120 VAC, 277 VAC or 347 VAC secondaries must be used. All voltage inputs
provide:
1500VAC continuous surge protection.
25% of full-scale voltage overrange capability.
Power supply
95 to 240VAC (±10%) @ 47 to 440Hz / 120 to 310 VDC [0.2A worst case
loading (12W) @ 100VAC @ 25C (77F)], or
20 to 60 VDC (±10%) [0.6A worst case loading (12W)]
9.
System frequency: Autoranging 50Hz or 60Hz
10.
The PMAC instrument has provisions for flash firmware that can be field
upgraded through any communications port, without de-commissioning the
instrument or de-energizing the circuit or equipment. The firmware upgrade
procedure is robust and is able to recover from power failure during an upgrade.
11.
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At least one communication port:
Supports upgrade of firmware for the PMAC instrument
Is programmable to communicate using RS-485
Supports addressable polling of multiple units
Supports a packet-based communication protocol
Is programmable to communicate at speeds from 1,200 to 19,200 bits per second
Supports ION and Modbus RTU communications protocols



Communications card for the 7300 ION:
Standard: One optically isolated RS-485 port, or,
Standard, plus Ethernet RJ45 (10BaseT), or,
Standard, plus Profibus DP port
12.
13. The RS-485 port supports ION and Modbus RTU protocol, at data rates up to
19.2kbps.
14. For units with the front panel display or remote modular display, the PMAC
instrument is equipped with one infrared optical port for RS-232 communications,
supporting ION or Modbus RTU protocol, at data rates up to 19.2kbps. This port is
compatible with an ANSI Type II optocoupler.
15. The PMAC instrument provides simultaneous access through all communications
ports to any measured or derived parameter.
16.


Digital outputs: Four (4) optically isolated Form A digital outputs with the
following features:
Any of the outputs can be used to provide pulse outputs according to any energy
consumption levels.
All outputs are scaleable to +/-1,000,000,000 units/pulse.
17. Analog I/O: The PMAC instrument has provisions for an optional analog I/O board
with:
 Four 0-1 mA inputs and four 0-1 mA outputs, or
 Four 0-20 mA inputs and four 0-20 mA outputs.
 All analog inputs and/or outputs are accurate to within 0.3% of full scale.
 The analog I/O option is not available with the “remote display” model.
 The analog I/O option is not available with any of the Ethernet port options.
18. Revenue metering capabilities: The PMAC instrument has provisions for locking the
configuration of metering components used for revenue metering.
 Password protected, no hardware lock, or
 Password protected and hardware locked, or
 Meets Industry Canada locking requirements, or
 Meets Industry Canada locking requirements and factory sealed
 When equipped with a hardware lock, programmability shall be sectioned such
that when the meter is sealed, the meter shall still be configurable to an extent that
does not affect the accumulation of revenue metering related data.
 The following data is protected from alteration when locked:
o kWh and kVARh (import, export, net and total)
o kVAh (total)
o kW, kVAR, kVA demand (thermal and sliding window)
o kWh, kVARh, kVAh pulse outputs
19.
Tropicalization treatment: The PMAC instrument has provisions for conformal
coating of its internal circuitry.
20. The PMAC instrument performs continuous true RMS measurement based on 32
samples per cycle sampling on all voltage and current signals.
21. The PMAC instrument is capable of measuring and calculating the following
information, at 1-second intervals:
 Voltage line-to-neutral and line-to-line for each phase and average of all three
phases
 % voltage unbalance
 Current for each phase and average of all three phases
 % current unbalance
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kW for each phase and total of all three phases
kVAR for each phase and total of all three phases
kVA for each phase and total of all three phases
kWh for total of all three phases, provided as accumulating import, export, net,
and total readings
kVARh for total of all three phases, provided as accumulating import, export, net,
and total readings
kVAh for total of all three phases, provided as an accumulating net reading
Power factor for each phase and total of all three phases
Frequency
Harmonic distortion for each voltage and current input, provided as individual
harmonic magnitudes up to the 15th harmonic and as total odd, total even and
total overall harmonic distortion; all readings given as a percentage of
fundamental
K-Factor calculations of the first 15 harmonics for all current inputs
22. The PMAC instrument is capable of calculating the following information for any
reading at 1-second intervals:
 Thermal demand calculations for any parameter, with user-programmable length
of demand period to match local utility billing method
 Sliding window demands for any parameter with user-programmable length of
demand period and number of sub-periods to match local utility billing method
 Predicted Demand calculations of sliding window demand parameters
23. The PMAC instrument includes sufficient non-volatile memory (NVRAM) to store
all setup data (for the 7300 ION).
SOURCE QUALITY CONTROL
This outlines the technical specifications for the PMAC instruments.
PMAC instrument – 7300 ION
1.
Overload withstand: 1500 VAC continuous and 2500 VAC for 1 second on all
voltage inputs.
2.
Overload withstand of 300 A for 1 second on all four current inputs.
3.
Meets the following accuracy and range specifications for measurements made at
1-second intervals (50Hz or 60Hz @ 25°C) for 1% to 100% of full scale (FS)
rated input (100 mA to 10A) at unity power factor (PF=1):
Parameter
Accuracy ±(%rdg + %range)
Range
Voltage L-L
Voltage L-N
Frequency
Current
kW (2.5% to 100% FS)
kW (1% to 2.5% FS)
kVAR (5% to 100% FS)
kVA
kWh (2.5% to 100% FS)
0.75% + 0.1%
0.25% + 0.05%
0.01%
0.25%+0.05%
0.5%
1.0%
1.5%
0.5%+0.1%
0.5%
0 to 2x106
0 to 1x106
40 Hz to 70 Hz
0 to 1x106
0 to ± 3.3x107
0 to ± 3.3x107
0 to 3.3x107
0 to 3.3x107
0 to 1x1038
4.
Parameter
Accuracy ±(%rdg + %range)
Range
kWh (1% to 2.5% FS)
kVARh
kVAh
Power Factor
Harmonics
K Factor
1.0%
1.5% of rdg
1.0% of rdg
1.5%
1% FS
5% FS
0 to 1x1038
0 to 1x1038
0 to 1x1038
± 0.01 to ±100.00
0.01 to 100.00
0 to 1x106
Meets the following accuracy and range specifications for measurements made at
1-second intervals (50Hz or 60Hz @ 25°C) for 1% to 100% of full scale (FS)
rated input (100 mA to 10A) at ±0.5 power factor (PF=0.5 Lead or Lag):
Parameter
Accuracy ±(%rdg + %range)
Range
Voltage L-L
Voltage L-N
Frequency
Current
kW (10% to 100% FS)
kW (2% to 10% FS)
kVAR (5% to 100% FS)
kVA
kWh (10% to 100% FS)
kWh (2% to 10% FS)
kVARh
kVAh
Power Factor
Harmonics1
K Factor
0.75% + 0.1%
0.25% + 0.05%
0.01%
0.25%+0.05%
0.6%
1.0%
1.5%
0.5%+0.1%
0.6%
1.0%
1.5% of rdg
1.0% of rdg
1.5%
1% FS
5% FS
0 to 2x106
0 to 1x106
40 Hz to 70 Hz
0 to 1x106
0 to ± 3.3x107
0 to ± 3.3x107
0 to 3.3x107
0 to 3.3x107
0 to 1x1038
0 to 1x1038
0 to 1x1038
0 to 1x1038
± 0.01 to ±100.00
0.01 to 100.00
0 to 1x106