Schneider Electric BCPMSCE User manual

BCPM Series Panelboard Monitoring Systems

BCPMSCE

User Guide

Panelboard Monitoring System with Ethernet Communication, Split-Core Branch Current Sensors

Z206857-0C 04/2020

www.se.com

Branch Circuit Power Meter with Ethernet Communication	Z206857-0C
	04/2020

Safety Information

Important information

Read these instructions carefully and look at the equipment to become familiar with the device before trying to install, operate, service or maintain it. The following special messages may appear throughout this bulletin or on the equipment to warn of potential hazards or to call attention to information that clarifies or simplifies a procedure.

The addition of either symbol to a “Danger” or “Warning” safety label indicates that an electrical hazard exists which will result in personal injury if the instructions are not followed.

This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death.

DANGER

DANGER indicates an hazardous situation which, if not avoided, will result in death or serious injury.

WARNING

WARNING indicates a hazardous situation which, if not avoided, could result in death or serious injury.

CAUTION

CAUTION indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.

NOTICE

Notice is used to address practices not related to physical injury.

Z206857-0C	Branch Circuit Power Meter with Ethernet Communication
04/2020	Safety Precautions

Safety Precautions

DANGER

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC

FLASH

•Follow safe electrical work practices. See NFPA 70E in the USA, CSA Z462 in Canada, or applicable local codes.

•Read and understand the instructions before installing the product. Follow the instructions during installation.

•Installation, wiring, testing or service must be performed only by qualified persons in accordance with all applicable codes and regulations.

•Install the product in an appropriate electrical and fire enclosure per local regulations.

•Do not use the product for life or safety applications.

•Do not install the product in hazardous or classified locations.

•Do not exceed the product’s ratings or maximum limits.

•The product may use multiple voltage/power sources.

•Turn off ALL power supplying equipment before working on or inside the equipment.

•Use a properly rated voltage sensing device to confirm that all power is off.

•Do NOT depend on the product for voltage indication.

•Products rated only for basic insulation must be installed on insulated conductors.

•Current transformer secondaries (current mode) must be shorted or connected to a burden at all times.

•Remove all wire scraps and tools, replace all doors, covers and protective devices before powering the equipment.

Failure to follow these instructions will result in death or serious injury.

A qualified person is one who has skills and knowledge related to the construction and operation of this electrical equipment and

installations, and has received	safety training to recognize and
avoid the hazards involved.	NEC Article 100

If this product is used in a manner not specified by the manufacturer, the protection provided by the product may be impaired. No responsibility is assumed by Schneider Electric for any consequences arising out of the use of this material.

Branch Circuit Power Meter with Ethernet Communication	Z206857-0C
FCC Notice	04/2020

Control system design must consider the potential failure modes of control paths and, for certain critical control functions, provide a means to acheive a safe state during and after a path failure. Examples of critical control functions are emergency stop and over-travel stop.

WARNING

LOSS OF CONTROL

•Assure that the system will reach a safe state during and after a control path failure.

•Separate or redundant control paths must be provided for critical control functions.

•Test the effect of transmission delays or failures of communication links.1

•Each implementation of equipment using communication links must be individually and thoroughly tested for proper operation before placing it in service.

Failure to follow these instructions may cause injury, death or equipment damage.

1For additional information about anticipated transmission delays or failures of the link, refer to NEMA ICS 1.1 (latest edition). Safety Guidelines for the Application, Installation, and Maintenance of Solid-State Controls or its equivalent in your specific country, language, and/or location.

Provide a disconnect device to disconnect the meter from the supply source. Place this device in close proximity to the equipment and within easy reach of the operator, and mark it as the disconnecting device. The disconnecting device shall meet the relevant requirements of IEC 60947-1 and IEC 60947-3 and shall be suitable for the application. In the US and Canada, disconnecting fuse holders can be used. Provide overcurrent protection and disconecting device for supply conductors with approved current limiting devices suitable for protecting the wiring.

For use in a Pollution Degree 2 or better environment only. A Pollution

Degree 2 environment must control conductive pollution and the possibility of condensation or high humidity. Consider the enclosure, the correct use of ventilation, thermal properties of the equipment, and the relationship with the environment.

FCC Notice

FCC PART 15 INFORMATION

NOTE: This equipment has been tested by the manufacturer and found to comply with the limits for a class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense. Modifications to this product without the express authorization of the manufacturer nullify this statement.

This Class A digital apparatus complies with Canadian ICES-003.

ii	© 2020 Schneider Electric All Rights Reserved.

Z206857-0C			Branch Circuit Power Meter with Ethernet Communication
04/2020			Specifications

Specifications
	Table 1:	Specifications

	Type		Description

	Voltage Inputs

	Measurement Voltage		90 to 300 Vac line-to-neutral, 50/60 Hz

	Control Power		100 to 277 Vac line-to-neutral, 50/60 Hz, 15 VA max.

	Frequency		50/60 Hz

	Accuracy
	Power/Energy		IEC 62053-21 Class 1, ANSI C12.1-2008
			(1% system accuracy includes both the BCPMSCE main unit and
			50 A or 100 A branch current sensors)

	Voltage		±0.5% of reading 90 to 277 V line-to-neutral

	Current		±0.5% of reading

	Minimum ON Current		50 mA

	Operation
	Sampling Frequency		2560 Hz

	Update Rate		Modbus: 1.8 seconds (both panels)
			BACnet: 14 seconds
			SNMP: 20 seconds

	Ethernet Communication
	Physical Interface		RJ45 connector with 10/100 Mbit Ethernet

	Protocols Supported		Modbus TCP, BACnet IP, SNMP V2c

	Serial Communication
	Physical Interface		2-wire RS-485

	Serial Protocols Supported		Modbus RTU or BACnet MS/TP

	Address Range		1 to 247 for Modbus RTU; 0 to 127 for BACnet MS/TP

	Baud Rate		9600, 19200, 38400

	Parity		Modbus RTU: NONE, ODD, EVEN
			BACnet MS/TP: NONE (fixed)
	Communication Format		8 data bits, 1 start bit, 1 stop bit

	Termination		2x3 position connector

	Wire Size		Up to 16 AWG

	Wire Size Range
	Aux CT Terminals		24 to 14 AWG

	Voltage Input and Control		22 to 12 AWG
	Power Connectors

	Terminals on CT Adapter		26 to 16 AWG
	Boards

	Terminal Block Torque
	Aux CT Terminals		3.5 to 4.4 in-lb (0.4 to 0.5 N-m)

	Voltage Input and Control		4.4 to 5.3 in-lb (0.5 to 0.6 N-m)
	Power Connectors

	Terminals on Branch CT		1.9 to 2.2 in-lb (0.22 to 0.26 N-m)
	Adapter Boards
	Mechanical
	Ribbon Cable Support		4 ft. (1.2 m) flat ribbon cable ships standard; up to 20 ft. (6 m) flat
			or round ribbon cables are available

	Environmental
	Operating Temperature		0 to 60 °C (32 to 122 °F)
	Range		(<95% RH, non-condensing)

	Storage Temperature Range		-40 to 70 °C (-40 to 158 °F)

	Altitude of Operation		3000 m

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	Type	Description

	Compliance Information
	Agency Approvals	UL508 open type device**, IEC/EN61010-1

	Installation Category*	Cat. III, Pollution Degree 2

	Conducted and Radiated	FCC part 15 Class A, EN55011/EN61000-6-4 Class A (heavy
	Emissions	industrial)

	Conducted and Radiated	EN 61000-6-2 and EN 61326-1
	Immunity

*For indoor use only.

**BCPM internal circuitry (cables and CTs) are not circuits as defined by UL508A, as they do not extend beyond the BCPM itself without further safety/fire isolation.

Note: The CE mark indicates RoHS2 compliance. Please refer to the CE Declaration of Conformity for additional details.

Introduction

The PowerLogic™ BCPMSCE Series panelboard monitoring system is designed to measure the current, voltage, and energy consumption of up to 92 circuits (84 branch circuits, two 3-phase mains, two neutrals), enabling users to monitor two panelboards or an entire data center PDU with a single product. It also includes Ethernet capability, allowing communication in multiple protocols.

The BCPMSCE consists of a data acquisition module, up to 4 current sensor adapter boards and up to 84 split-core current sensors (50 A, 100 A, or 200 A), with eight auxiliary inputs. Each conductor passes through the appropriate current sensor before terminating at the breaker. Each sensor transmits the current data to the data acquisition board. The BCPMSCE measures both current and power for the mains and branch circuits. The BCPMSCE can easily accommodate different panel configurations, including any combination of multi-phase breaker positions, voltage phase mapping, and breaker sizes. To configure the BCPMSCE for operation, use the Schneider Electric ION Setup configuration software tool. Get the latest version at https://schneider-electric.box.com/ionsetuplatest.

Data is transmitted via Ethernet with Modbus TCP, BACnet IP or SNMP protocol, or via RS-485 with Modbus RTU or BACnet MS/TP protocols. Some protocols can be used simultaneously, and the Ethernet protocols all support access by multiple masters. Each data acquisition board requires two Modbus addresses, one for each set of 42 current sensors, and four auxiliary inputs.

When a circuit exceeds the user-defined thresholds, the BCPMSCE activates the event indicators. The communication interfaces and protocols require some configuration at the time of installation.

2	© 2020 Schneider Electric All Rights Reserved.

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04/2020	Introduction

Figure 1	Branch Circuit Power Meter with Ethernet Communication

Parts of the BCPMSCE

Figure 2 shows the parts of the BCPMSCE, while Table 2 describes these parts.

Figure 2

BCPMSCE Panel Board Monitoring System

1	2	3

4	6
5	6
	10
7	7
8

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Table 2:		Parts Description of the BCPMSCE

		Part	Description

1	Ethernet port		Provides Ethernet connection for the gateway component.

2	Power LED		Indicates power is applied to the meter.

3	2x3 RS-485 serial connection		Used for Modbus, BACnet, and SNMP serial communications.

4	Protective ground connection		Provides a grounding point for the device.

5	Voltage taps		1, 2, or 3 phase plus neutral connections. For voltage sensing and power calculations.

6	Control power connection		Provides power to operate the meter.

7	Auxiliary CT inputs		These 0.333 Vac inputs are used for monitoring the main breaker or other high amperage source.
			Inputs on the left are for panelboard 2; inputs on the right are for panelboard 1.

8	50-pin ribbon cable connectors		48-inch (1220 mm) ribbon cables are provided for easy connection of the adapter boards to this
			point of the data acquisition board. Other ribbon cable lengths are available (sold separately). The two
			connectors on the left are for panelboard 2; the two on the right are for panelboard 1. Connect adapter
			boards A and B to the correct ribbon cable connectors for each panel. The top connectors are for Board
			B, and the bottom connectors are for Board A.

9	Current sensors		Up to 84 sensors can be used with the BCPMSCE.

10	Adapter board		Includes connectors for a ribbon cable and up to 42 current sensors.

Dimensions

Figure 3 Housing and Mounting Brackets
		12.1”
		(307 mm)
	2x: 5.9”	12.8”
	2x: 5.9”	(325 mm)
	(150 mm)	(325 mm)
	(150 mm)
		13.9”
		(353 mm)
8.9”		Note: The dotted lines
(225 mm)		indicate dimensions if the
10.0”		indicate dimensions if the
(253 mm)		two brackets are placed in
8.2”		the alternate orientation. At
(210 mm)		the factory, the brackets are
		placed as shown with solid
2.8”		lines. See the Installation
2.8”		section for more information.
(71 mm)		section for more information.
(71 mm)

Figure 4 Adapter Board and Current Sensors

	1.00”
	(26 mm)
1.00”	2.75”
(26 mm)	(70 mm)
	4.6”
	(117 mm)

4	© 2020 Schneider Electric All Rights Reserved.

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Data Output

Branch Circuit Power Meter with Ethernet Communication

Introduction

BCPMSCCT0 50 A

A = 1.0” (26 mm)

B = 0.5” (11 mm)

C = 0.4” (10 mm)

D = 0.9” (23 mm)

E = 1.6” (40 mm)

BCPMSCCT1 100 A

A = 1.5” (37 mm)

B = 0.6” (16 mm)

C = 0.6” (16 mm)

D = 1.85” (47 mm)

E = 2.1” (53 mm)

BCPMSCCT3 200 A

A = 1.5” (39 mm)

B = 1.25” (32 mm)

C = 1.25” (32 mm)

D = 2.5” (64 mm)

E = 2.8” (71 mm)

The BCPMSCE provides several types of measurements that give a comprehensive view of power consumption for every monitored load on the panel:

•Real-time measurements: A live and up-to-date view of present power levels and the factors that affect them.

•Demand measurements: Averages of values measured over a specified time interval. The time interval (typically 15 minutes) can be set from 10 seconds to more than a day. The demand calculation can be configured to use single intervals or the sliding average of up to 6 sub-intervals. Demand measurements are useful for tracking or graphing load levels over time to correlate with total energy consumption.

•Historic maximum measurements: These measurements store the largest value recorded for a specific measurement since the last time they were cleared. They are useful for identifying peak levels critical to equipment sizing or demand limits in utility agreements.

•Accumulated energy measurements: Ongoing totals of cumulative energy used since the last time the value was cleared. Energy values provide the informational basis for billing, cost allocation, carbon offset, BTU equivalent calculations, and other applications of overall energy use.

•Energy snapshots: Energy totals that only change when the demand intervals are updated. They are samples of the free-running energy accumulators at the end of each demand interval, as configured by the user. These provide energy readings that are easily correlated to the demand values to simplify the tasks of sub-billing and cost allocation.

•Over-threshold Events (previously referred to as Alarms): Provide a warning of excessively high or low current on each branch and aux channel. The user can set two high-level and two low-level thresholds, and a delay time for latching events. Events are reported as both non-latched events and latched events. Non-latching events are active while the current exceeds the threshold, but go inactive if the current

Branch Circuit Power Meter with Ethernet Communication	Z206857-0C
Introduction	04/2020

returns to a level within the specific thresholds. Latching events become active when the current exceeds the threshold for a time period greater than the specified delay and remain active until they are cleared remotely. Event status can be polled via any protocol. Via

BACnet, Subscribe_COV can be used to generate event notifications. Via SNMP, they drive SNMP event notifications.

Advanced Features - The BCPMSCE supports a number of advanced features.

Some are always active, and others are configured manually via Modbus register 62017, BACnet object AV164, or SNMP MIB variable “spanels/ panel1/p1Configuration/p1Setup/p1UserDefinedSettings” (OID .1.3.6.1

.4.1.3833.1.30.1.1.6.3.4.0). For models with 42 channels or more, these features are configured independently for each panel.

•Logical meter support: The BCPMSCE can be configured to map any set of 1, 2 or 3 channels that are adjacent in the panel to a logical meter, referred to in the point map as a logical circuit, that provides accurate multi-phase measurement totals. Map these logical circuits by writing the desired logical circuit number into a set of registers/data objects provided for each branch and aux channel (per panel).

•The channels assigned to each logical circuit must be adjacent in the panel (usually used for multi-phase breakers), but there are no limitations on where those adjacent channels are aligned in the panel (any position where a multi-phase breaker can be installed). This functionality is always active, but a user selection affects the how the data can be accessed via Modbus. Measurement data via Modbus for logical circuits is presented in two ways, arranged either by logical circuit number (looks more like a collection of individual meters) or by measurement type (arranged similar to the single-phase data section of the point map).

•Legacy point map or alternate logical circuit point map: The

BCPMSCE can be configured to select a preferred version of the

Modbus registers in the address range 4000 to 9999. If enabled (default), the logical circuits by measurement type is active. Otherwise, the legacy point maps for 2-phase and 3-phase breakers used in

BCPMSCE models with a firmware version earlier than 1.023 is active.

The logical circuits functionality can also be accessed via the “Logical Circuits by Circuit” section of the point map (address range 10000 to 45000), regardless of the state of this selection.

•Phase angle measurements: The BCPMSCE measures the phase angle of every voltage and current input and presents these measurements (in degrees) in additional data registers/objects. These values are used to verify that current inputs are assigned to the proper voltage phases and to help determine how power factor variations are influenced by current phase changes vs. harmonic distortion. Phase angle measurements are instantaneous and always active.

•User CT phase assignment: In the default mode, the BCPMSCE assigns each channel to the corresponding phase that most 3-phase panels implement, so that the user does not have worry about it. The user can opt to replace this self-assignment paradigm with a mode that allows explicit specification of the phase assignment for each channel. The explicit assignments set by the user are stored by the BCPMSCE in non-volatile memory.

•Phase angle reference: The BCPMSCE measures the phase angle of every current and voltage input. The user can select whether the phase angles are stated relative to an absolute reference (the phase angle of voltage input V1) or relative to the voltage phase assigned to that specific current input channel.

•Signed power: Users can configure the BCPMSCE to report power as a signed value indicating whether the power is currently being delivered (imported from the grid) or received (exported to the grid) for channels with generation sources or bi-directional (regenerative)

6	© 2020 Schneider Electric All Rights Reserved.

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Branch Circuit Power Meter with Ethernet Communication

Introduction

loads. When signed power is disabled, the energy accumulators include all energy measured, regardless of direction. When signed power is enabled, the energy accumulators only include all energy delivered (imported from the grid).

•Signed power factor: By default the BCPMSCE reports power factor as an unsigned value. The user can set it to report as a signed value, where the sign indicates whether the current phase angle leads or lags the corresponding voltage phase.

•Demand/snapshot time interval source: The BCPMSCE offers two mechanisms for driving the demand/snapshot time interval, an interval timer or an RTC (real-time clock). The legacy mode (default) uses an interval timer that does not need to be set to an absolute time. When using the interval timer the demand/snapshot interval can be set from 10 to 32767 seconds (over 9 hours). An alternate mode utilizes an

RTC set to a specific date and time to synchronize the results with a larger system. The RTC must first be set in order to run and capture demand values and energy snapshots. When power is interrupted, the RTC resets to a default date and time and must be set again in order to run. When using the RTC, the demand/snapshot interval can be set from 10 to 3600 seconds (1 hour).

Table 3: Data Outputs Table

		Monitoring of Mains
		Current: multi-phase average and per phase

		Current phase angle

		Real power (kW): multi-phase total and per phase

	Real Time	Apparent power (kVA): multi-phase total and per phase
	Measurements	Power factor: multi-phase average and per phase

		Voltage - L-L: multi-phase average and per phase

		Voltage - L-N: multi-phase average and per phase

		Frequency (phase A)

	Demand Measurements	Current present demand: multi-phase average and per phase

		Real Power (kW) present demand: multi-phase average and per phase


		Maximum instantaneous current: multi-phase average and per phase

	Historic Maximums	Maximum current demand: multi-phase average and per phase

		Maximum real power demand: multi-phase total and per phase

	Accumulated Energy	Energy (kWh): multi-phase total and per phase

	Energy Snapshots	Energy (kWh): multi-phase total and per phase

		Monitoring of Branch Circuits
		Current: multi-phase average and per phase

	Real Time	Current phase angle per branch

		Real power (kW): multi-phase total and per phase
	Measurements	Real power (kW): multi-phase total and per phase

		Apparent power (kVA): multi-phase total and per phase
		Apparent power (kVA): multi-phase total and per phase

		Power factor: multi-phase average and per phase

	Demand Measurements	Current present demand: multi-phase average and per phase

		Real power (kW) present demand: multi-phase average and per phase


		Maximum instantaneous current: multi-phase average and per phase

	Historic Maximums	Maximum current demand: multi-phase average and per phase

		Maximum real power demand: multi-phase total and per phase

	Accumulated Energy	Energy (kWh): multi-phase total and per phase

	Energy Snapshots	Energy (kWh): multi-phase total and per phase

		Modbus Events
		Voltage over/under

	Events	Branch current over/under
	Events

		Mains current over/under

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Split Core Current Sensors

Table 4:		Current Sensor Specs

			50 A	100 A	200 A

	Voltage Rating		300 Vac	300 Vac (CE),	300 Vac (CE),
				600 Vac (UL)	600 Vac (UL)

	Measurement		60 A*	120 A*	240 A*
	Range

	Temperature		0 to 60 °C	0 to 60 °C	0 to 60 °C
			(32 to 122 °F)	(32 to 122 °F)	(32 to 122 °F)

	Agency		UL61010 Recognized,	UL61010 Recognized,	UL61010 Recognized,
			EN61010-1	EN61010-1	EN61010-1

*Momentary.

Installation

DANGER

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC

FLASH

•Follow safe electrical work practices. See NFPA 70E in the USA, CSA Z462 in Canada, or applicable local codes.

•Read and understand the instructions before installing the product. Follow the instructions during installation.

•Installation, wiring, testing or service must be performed only by qualified persons in accordance with all applicable codes and regulations.

•Install the product in an appropriate electrical and fire enclosure per local regulations.

•Do not use the product for life or safety applications.

•Do not install the product in hazardous or classified locations.

•Do not exceed the product’s ratings or maximum limits.

•The product may use multiple voltage/power sources.

•Turn off ALL power supplying equipment before working on or inside the equipment.

•Use a properly rated voltage sensing device to confirm that all power is off.

•Do NOT depend on the product for voltage indication.

•Products rated only for basic insulation must be installed on insulated conductors.

•Current transformer secondaries (current mode) must be shorted or connected to a burden at all times.

•Remove all wire scraps and tools, replace all doors, covers and protective devices before powering the equipment.

Failure to follow these instructions will result in death or serious injury.

A qualified person is one who has skills and knowledge related to the construction and operation of this electrical equipment and

installations, and has received	safety training to recognize and
avoid the hazards involved.	NEC Article 100

8	© 2020 Schneider Electric All Rights Reserved.

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Branch Circuit Power Meter with Ethernet Communication

Installation

Observe precautions for handling static sensitive devices to avoid damage to the circuitry that

is not covered under the factory warranty.

The protective ground connection on the housing should be used if the device will not be mounted to a suitably grounded surface. Assure conductivity to the protective ground.

1. Determine where you will mount the BCMPSCE measurement unit. The preferred location is inside the enclosure of the panelboard being monitored. If sufficient space is not available there, then mount the unit in an appropriate enclosure nearby. Decide whether to mount it vertically or horizontally. The meter is shipped with the brackets placed for vertical

mounting. If desired, you can move the brackets from the sides to the ends of the housing. Loosen the screws on the sides of the BCPMSCE that hold the brackets in place (do not fully remove the screws from the housing).

Loosen the screws on the two ends of the housing (do not fully remove the screws from the housing), and set the brackets into their new positions. Tighten all screws to 25 in-lb (2.8 N-m).

Figure 5 Brackets positioned for vertical and horizontal mounting

Vertical Mounting

Horizontal Mounting

2. Install the BCPMSCE in the panel. A grounding connection is located on the housing (see below).

Figure 6 BCPMSCE ground stud

Ground

3. Choose a location to mount the adapter boards. If space permits, mount them in the panelbord being monitored. There are two channel numbering configurations available, for different applications (see the examples below).

Odd/even numbering is used with panelboards that have odd numbers on one side (usually the left side) and even numbers on the other. Sequential numbering is generally used in other applications, where the panelboard has breakers numbered sequentially or where the branch circuits are used to monitor discrete loads rather than an entire panelboard. Select the configuration that best fits your application and install the adapter boards as close as you can to the location where the branch CTs will be installed. Mount the adapter boards using either DIN rail or SNAPTRACK. You can set the configuration during commissioning by writing to Modbus Register 6

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(or the corresponding BACnet object or SNMP variable) or use ION Setup configuration software.

A. Use the supplied screws to secure the plastic DIN clips to the adapter board. Affix the clip to the DIN rail.

Figure 7 DIN mount configuration options

DIN Option 1:

Vertical Mount

DIN Option 2:

Horizontal Mount

B. Secure the SNAPTRACK to the mounting surface. Click the adapter board into place.

Figure 8 SNAPTRACK mounting

4.Install the current sensors onto the conductors to be monitored.

NOTE: If the signed power factor feature is NOT enabled, then the current sensor orientation does not affect meter behavior. If this

feature IS enabled, orient the current sensors so that the arrow points toward the load for proper operation.

NOTE: Clean split-core contact surfaces before closing. The hinge can detach, allowing the base and the top to separate for easier cleaning and installation.

10	© 2020 Schneider Electric All Rights Reserved.

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