Trinity INFINITY User manual

Infinity – Operational Manual
This document contains the latest technical information about
Infinity which is a micro-controller based energy meter. The
product Infinity is sophisticated electronic equipment, and the
user is advised to read this User's Manual carefully before
attempting to install or operate the equipment.
Published on: 15.05.2015
Document Version: 1.7
USER'S MANUAL
INFINITY
Energy Meter

Infinity – Operational Manual
Warranty Statement
Trinity warrants to the original retail purchaser of the Trinity
product enclosed with this limited warranty statement that the
product, if purchased new and used in the India conforms to the
manufacturer's specifications and will be free from defects in
workmanship and materials for a period of one year from the date
of original purchase, unless expressly stated otherwise by Trinity,
in a written format.
Should your Trinity product prove defective during the warranty
period, please bring the product securely packaged in its original
container or an equivalent, along with proof of the date of original
purchase, to our Trinity Dealer or Factory. You are responsible for
all costs (shipping, insurance, travel time) in getting the product to
the service location. Trinity will, at its option, repair or replace on
an exchange basis the defective unit, without charge for parts or
labor. When warranty service involves the exchange of the
product or of a part, the item replaced becomes Trinity property.
The replacement unit may be new or refurbished to the Trinity

standard of quality, and at Trinity's option, the replacement may be
another model of like kind and quality. Trinity's liability for
replacement of the covered product will not exceed the original
retail selling price of the covered product. Exchange or
replacement products or parts assume the remaining warranty
period of the product covered by this limited warranty.
What This Warranty Does Not Cover:
This warranty does not apply to refurbished or reconditioned
products. This warranty covers only normal use in India. This
warranty does not cover damage to the Trinity product caused by
parts or supplies not manufactured, distributed or certified by
Trinity. This warranty is not transferable. This warranty does not
cover third party parts, components or peripheral devices added
to the Trinity product after its shipment from Trinity. Trinity is not
responsible for warranty service should the Trinity label or logo or
the rating label or serial number be removed or should the product
fail to be properly maintained or fail to function properly as a result
of misuse, abuse, improper installation, neglect, improper
shipping, damage caused by disasters such as fire, flood, and
Infinity – Operational Manual

lightning, improper electrical current, interaction with non-Trinity
products, or service other than by an Trinity Authorized Service.
The warranty and remedy provided above are exclusive and in
lieu of all other express or implied warranties including, but not
limited to, the implied warranties of merchantability or fitness for a
particular purpose. In the event, the remedies above fail, Trinity's
entire liability shall be limited to a refund of the price paid for the
Trinity product covered by this limited warranty. Except as
provided in this written warranty, neither Trinity Energy Systems
Pvt. Ltd. nor its affiliates shall be liable for any loss,
inconvenience, or damage, including direct, special, incidental, or
consequential damages, resulting from the use or inability to use
the Trinity product, whether resulting from breach of warranty or
any other legal theory.
Infinity – Operational Manual

Infinity – Operational Manual
Introduction........................................................................ 1
The Main Features Available In The Model................... 2
Technical Specifications ................................................. 4
Installation And Commissioning ......................................... 6
3P4W Mode Installation ................................................. 6
Back View Of The Unit ................................................... 10
RS485 Connection .......................................................... 11
Operational Details ......................................................... 12
Programming Mode............................................................. 13
Setting CT-Primary.......................................................... 13
Setting Meter Id For RS485 Port..................................... 14
Setting Time To Run Hour And Load Run Hour .............. 16
Setting Energy Parameter For Display…………………... 17
Run Mode............................................................................ 18
Communication................................................................... 20
Modbus RTU On RS485 Port.......................................... 20
Ordering Options ................................................................ 24

Introduction
Infinity is a digital energy meter for use in three phase electrical
systems as well as sub-metering applications. The design of this
meter is based on proven microcontroller technology with front
end ASICs, resulting in compact and accurate energy metering.
The accuracy of the meters is maintained even under severely
distorted waveform conditions which occur due to harmonics in
the system.
Infinity is the advanced model with bright 16X1 LC display having
optional features like RS485 port, dual source measurement and
whole current measurement up to 60A.
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The Main Features Available in the Model
Class 1.0S accuracy as per IS13779
Class 0.5 accuracy also available
Compact 96 x 96 x 55 mm enclosure
Microcontroller based
Backlit 16 X 1 LC Display Optional Dual Source
Dual source measurement (EB & DG) along with Run Hour or
Load Run Hour available.
Energy Measurement Selectable Between KWh & KVAh
Whole current models up to 60Aavailable
RS-485 Communication port with MODBUS-RTU protocol
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Infinity – Operational Manual

Technical Specifications
Parameters
Type Name Statistics
Three Phases and Neutral of a 3P4W system
Supply
INPUT
Direct Voltage Input : Up to 300V L-N
Burden : 0.5VA
Voltage
Current
Wide operating Voltage SMPS : 80VAC -
300VAC, 50-60 H
Power Supply
Secondary Current: 5A or 1A ( optional )
Input
CT Primary : Site Selectable
Range of Reading : 5 -5000A
Burden : < 1.0VA
Overload : 5A CT = 6A RMS Continuous
(Through CT) 1A CT = 1.2A RMS Continuous
(Whole Current) : 120% of Imax continuous.
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MEASU-
REMENT Comm
unica
tion
RS485 Port
Parameters
Type Name Statistics
Bezel 96 X 96 mm
Panel Cutout 92 X 92 mm
Depth of
installation 55 mm
O O
Operating temp 10 C to 50 C
Weight 0.276 Kgs
Min. Operating
Current 0.4% of CT primary.
Dual Source By presence or absence of 230VAC across
Sensing two terminals. Can be looped.
Supporting MODBUS-RTU protocol.
Energy
Total Active
Energy (KWh)
Range of Reading : 0 to 9999999.9 KWh
Accuracy : 1.0S as per IS13779.
MISCELLANEOUS
Dimensions
Run Hour and Load Run Hour (Any One Parameter Available Through Programming Mode)
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Infinity – Operational Manual
Range of Reading : 0 to 9999999.9 KVAh
Accuracy : 1.0S as per IS13779.
(Energy Measurement Selection In Programming Mode)
Total Apparent
Energy (KVAh)

Installation and commissioning
3P4W Mode Installation Only
Follow the steps outlined below to install / commission the unit.
1. Push the unit into the panel and mount using the clamps
provided.
2. Connect the Auxiliary supply (80V AC to 270V AC) to the
terminals marked P and N.
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3. Connect the three phases with the phase sequence being
R-Y-B to the corresponding terminals marked U1, U2 and
U3 on the unit. Make sure that the three phases coming to
the unit come through control fuses of 1.0 Amp rating.
This will protect the electronics inside from damage due to
severe over voltages or phase faults in the system.
4. Connect the neutral to the terminal marked U4.
5. For CT operated meter, connect the two wires from the R-
phase CT to terminals marked M1 & L1 such that S1 from
CT goes to M1 on the unit. For whole current meter, pass
the R-Phase current cable through the meter CT hole in
such a way that current flows in from side marked "R-
Phase Source" and passes out through side "R- Phase
Load". NOTE: The current carrying capacity of the whole
current meter is limited by the maximum cable size which
can be passed through the CT hole, which is 4sq.mm.
6. For CT operated meter, connect the two wires from the Y-
phase CT to terminals marked M2 & L2 such that S1 from
CT goes to M2 on the unit. For whole current meter, pass
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Infinity – Operational Manual

the Y-Phase current cable through the meter CT hole in
such a way that current flows in from "Y-Phase Source"
and passes out through "Y- Phase Load". NOTE: The
current carrying capacity of the whole current meter is
limited by the maximum cable size which can be passed
through the CT hole, which is 4sq.mm.
7. For CT operated meter, connect the two wires from the B-
phase CT to terminals marked M3 & L3 such that S1 from
CT goes to M3 on the unit. For whole current meter, pass
the B-Phase current cable through the meter CT hole in
such a way that current flows in from "B-Phase Source"
and passes out through "B-Phase Load". NOTE: The
current carrying capacity of the whole current meter is
limited by the maximum cable size which can be passed
through the CT hole, which is 4sq.mm.
8. For meters supplied with Dual Source facility, make the
connections in such a way that there is no voltage
between DP and DN terminals when the power is drawn
from the EB source, and a clean 150-270 VAC appears
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between the DP and DN terminals when the power is
drawn from the DG source.
9. Switch on the three phase supply. The unit will come alive
and display Factory information such as '—TRINITY-- '
and then enter into Run Mode.
10. Set the correct CT-Ratio on the unit for CT operated
meters. In case of units with RS-485 communication port,
set the correct meter address. For this refer to the
OPERATIONAL DETAILS chapter.
11. The unit is ready for operation.
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3ø4W
RS485 Connection
Dual Source
Main CT Connection
Voltage Connection
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Back view of the Unit

RS485 connection
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11
B-
A+
A+ A+
B-B-
A+
B-
A+
B-
. . . . . . . . .
Upto 31 units on bus
without repeater
RS232 CABLE
RS485-RS232C
CONVERTER

Operational Details
The Infinity is a versatile meter, with the features needed to
implement an accurate electrical energy measurement system.
The configurable parameters of the meter can be programmed in
Programming Mode. Run Mode is the normal mode where
measured values are displayed.
The unit can be operated by pressing the following Keys:
PROG
ENTR
After supplying power, the unit displays immediately power
receiving information such as “--TRINITY--", CT Ratio and Unit ID
on LCD screen for some time and then, by default, is in the Run
Mode such as shown below.
In Normal INFINITY meter,
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Infinity – Operational Manual
KWh=112.10

OR
KVAh = 120.12
(Display parameter as per the selected parameter in the programming
mode).
In Dual Source Meter instead of “KWh” it shows “EBKWh” for Electricity
Board Active Energy or “EBKVAh” for Electricity Board Apparent Energy.
Programming Mode
The Programming Mode is possible for user interface with settable
parameters such as CT-Primary and Meter Address for RS485 port and
display energy parameter. .
Setting CT-Primary
The CT-Primary is settable from 5 to 5000. The CT-Primary should be set to
give the actual value of KWh.
To set the CT-Primary, follow the instructions below:
1. In Run Mode, press key for about four seconds. The unit enters
into Programming Mode such as shown below.
CT_PRI=1550
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PROG
ENTR

2. Press key again. Immediately, P starts blinking which
indicates that the parameter can now be changed. Set the
parameter value by pressing and keys until the
desired value is received.
3. Press key to confirm the parameter value. Hence, the
unit will restart and return into Run Mode.
PROG
ENTR
PROG
ENTR
Setting Meter ID for RS485 port
The Unit has the provision to specify a meter ID at site for RS485
port. The address can be set starting from 1 to 255 with a fixed
baud rate of 9600. (This Baud rate can also be specified for 19200
at the time of ordering according to user's requirement).
To set the Meter ID, follow the instructions below:
1. In Run Mode, press key for about four seconds. The
unit enters into Programming Mode and press key till
Device ID is prompting such as shown below.
PROG
ENTR
DEVICE ID=2
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2. Press key again. Immediately, P starts blinking which
indicates that the parameter can now be changed. Set the
parameter value by pressing and keys until the
desired value is received.
3. Press key to confirm the parameter value. Hence, the
unit will restart and return into Run Mode.
PROG
ENTR
PROG
ENTR
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