Trinity Goblin User manual

Goblin – Operational Manual
TRINITY
[1]
USER’S MANUAL
GOBLIN
Electrical Load Manager/Demand Controller
This document contains the latest technical information about Goblin which is
a micro-controller based Electrical Load Management/Demand controller. The
unit is tested against latest "MTE" Standard Model PRS400.3 having basic
accuracy of 0.02%, traceable upto International Standards derived using
appropriate ratio techniques.
The product, Goblin 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:------
Document Version: 1.1

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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 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.

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Contents
Introduction ................................................................................................................4
The Main features Available in this Model ............................................................... 4
Technical Specifications........................................................................................... 5
Installation and Commissioning...............................................................................7
3P4W Mode Installation ........................................................................................... 7
3P3W Mode Installation ........................................................................................... 9
Connection Scheme............................................................................................... 10
RS485 Connection .................................................................................................11
Operational Details...................................................................................................12
Programming Mode....................................................................................................13
Setting CT Primary, CT Secondary, PT Primary and PT Secondary ....................13
Setting Neutral CT Primary, Neutral CT Secondary, Password and Log Duration14
Setting Real Date, Time, Baud Rate and Unit Address for RS485 Port................15
Selecting Relays, Alarm Parameters, Alarm Values and Hysteresis ....................15
Selecting Events, Event Parameters, Event Values and Hysteresis.....................16
Selecting Demand Window (both KW and KVA), Installation type and Reset
Demand..................................................................................................................17
Resetting Energy, Min-Max parameters, Logs and Max Demand.........................18
Resetting Event, All Parameters and Restore to Default Values...........................18
Run Mode...................................................................................................................19
Run Mode display in 3P4W and 3P3W..................................................................19
Communication........................................................................................................25
Modbus RTU on RS485 Port .................................................................................25
Data Logging using USB Port and Pen drive.........................................................25
Installing the USB Software ...................................................................................26
Installation of USB driver........................................................................................ 27
Handling the Logger Window................................................................................. 29
Downloading the Logged data ...............................................................................29
Exporting the Logged Data including Min/Max Events and Harmonics Data ........30
Graph Representation............................................................................................31
Plotting a Graph for Logged data...........................................................................31
Data Download Using a Pen Drive. .......................................................................33
Programming Mode Using Utility ........................................................................... 34
Control Outputs........................................................................................................36
Alarm Action ........................................................................................................... 36
Goblin as a Load Manager / Demand Management..............................................37
Appendix...................................................................................................................38
Address Map of Various Parameters for 3P4W installation...................................38
Address Map of Various Parameters for 3P3W installation ...................................40

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Introduction
The digital power meter GOBLIN is a micro-controller based unit which not only
measures a host of electrical parameters to display them on a 128 X 64 graphical
backlit LCD, but also acts as a comprehensive load managing device due to its four
numbers of output relay contacts. These outputs are individually field programmable
for both the parameter on which to generate alarm as well as the values on which to
activate alarm and deactivate it. In addition to this flexibility in terms of load
management, the meter also has two serial ports: USB data downloading using USB
data cable and Pen drive.In addition, RS485 supports MODBUS RTU protocol for
connections to EMS/SCADA.
The unit is meant for use in three phase four wire and three phase three wire
systems. The installation type, CT ratios and PT ratios are site selectable. The Load
Manager with its four relay contacts can be used as a Demand Controller. The
method of Demand calculation i.e. Sliding window or Fixed window can also be
selected at site.
GOBLIN is a versatile meter with a robust electrical load management system and
consists of all the features needed to implement. It can be configured to suit most
control and communication needs.
The Main features Available in this Model
Displays more than 20 Parameters
Demand and Maximum Demand
Four Relay contacts, individually field programmable, for alarm parameter as
well as on/off values
RS485 MODBUS-RTU Connectivity
Data downloading of logged data using USB port and Pen drive
Large 128 X 64 Backlit LC Display
On board 2 MB of non-volatile memory and data logging with field
programmable log duration
CT / PT Ratios field programmable
Odd Harmonic Analysis up to 15th for all voltages and currents, including
THD.

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Technical Specifications
Parameters
Type Name Statistics
INPUT
Three Phases and Neutral of a 3P4W system / Three Phases of a 3P3W system
Voltage
Direct Voltage Input : Up to 500V L-L, Up to 300V L-N
PT Ratio : Site Selectable
Burden : 0.5VA
Current
Secondary Current Input: 5A or 1A (Site Selectable)
CT Ratio : Site Selectable
Range of Reading : 5 – 5000A
Burden : < 1.0VA
Overload : 5A CT = 6A RMS Continuous
1A CT = 1.2A RMS Continuous
Power Supply Auxiliary Supply: 80 - 470 VAC, 50-60 Hz.
OUTPUT
Relay
Four. Individually Field Programmable.
Switching Voltage : Max. 230 VAC
Switching Power : Max. 1000W
Expected Mechanical Life : >10X106 switching operations
Expected Electrical Life : > 4X106switching operations
@ (Load = 200VA. Cosϕ = 0.5)
MEASUREMENT
True RMS Basic
Parameters
Voltage
(Volts L-N & L-L)
VL-N Accuracy : 0.5% of Reading
VL-L Accuracy : 1.0% of Reading
Current
(Amps IR, IY, IB) Accuracy : 0.25% of Reading
Line Frequency 45 to 55 Hz, Accuracy : 0.3% of Reading
Power
Active Power (P) Accuracy : 1% of Reading
(For IPFI>0.5)
Reactive Power (Q) Accuracy : 1.5% of Reading
(Between 0.5 Lag to 0.8 Lead)
Apparent Power (S) Accuracy : 1% of Reading
Power Factor
For Individual phases and System.
Accuracy : 1.0% of Reading (IPFI≥0.5)
Range of Reading : 0.05 to 1.00 Lag/Lead
Energy
Total Active Energy
(KWh)
Range of Reading : 0 to 99999999.9 KWh
Accuracy : 1.0S as per IS13779.
Total Apparent Energy
(KVAh)
Range of Reading : 0 to 99999999.9 KWh
Accuracy : 1.0% of Reading
Total Apparent Energy
(KVARh)
Range of Reading : 0 to 99999999.9 KWh
Accuracy : 1.5% of Reading
Power
Quality
3rd to 15th Harmonics(Odd) for all Voltages with THD
3rd to 15th Harmonics(Odd) for all Currents with THD
Demand
Active Power (KW) Demand - Sliding & Fixed Selectable
Apparent Power (KVA) Demand - Sliding & Fixed Selectable

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MISCELLANEOUS
Parameters
Type Name Statistics
Dimensions
Bezel 144 X 144 mm
Panel Cutout 138 X 138 mm
Depth of installation 55 mm
Display 128 X 64 graphical Backlit LCD
Operating temp 10°C to 50°C
Weight 0.65 Kgs (Approx.)
Operating Current
Range 0.4% to 120% of CT primary
Communication
Data Logging Buffer 2 MB, Non-volatile memory, Can hold 19691 records
Logging Duration Site selectable from 1 minute to 60 minutes
RS485 Modbus-RTU protocol
USB
For downloading logged data
Pen Drive

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Installation and Commissioning
The Goblin supports two installation modes – 3P4W and 3P3W. The installation
process of these modes is described below:
3P4W Mode Installation
Follow these steps to install / commission the unit.
1. Push the unit into the panel and mount using the clamps provided. Connect
the Auxiliary supply to the terminals marked P and N. The Auxiliary supply
range is 80 V AC to 270 V AC.
2. Connect the three phases with the phase sequence being R-Y-B to the
terminals marked U1, U2 and U3 respectively. 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 overvoltage or
phase faults in the system.
3. Connect the neutral to the terminal marked U4.
4. 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. 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. 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.
5. Switch on the three phase supply as well as Auxiliary supply. The unit will
come alive and display power information such as factory location for about
three seconds and then, it will display the first page of Run Mode.
6. If there is very little current or no current in the CT circuits, the unit may show
PFs as 0.999 or 1.000. This will go away as soon as the current builds up in
the CTs, above 0.4 % of rated CT.

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7. Now, the unit needs to be programmed for the various parameters which are
field programmable. For this refer to next section “OPERATIONAL DETAILS”
8. The unit is ready for operation.

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3P3W Mode Installation
Follow these steps to install / commission the unit.
1. Push the unit into the panel and mount using the clamps provided. Connect
the Auxiliary supply to the terminals marked P and N. The Auxiliary supply
range is 80 VAC to 270 VAC.
2. Connect the three phases with the R phase to the terminal U1, B phase to
terminal U3 and Y phase to terminal U4. 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 overvoltages or
phase faults in the system.
3. 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. 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.
4. Switch on the three phase supply. The unit will come alive and display power
receiving information such as factory location for about three seconds and
then, it will display the first page of Run Mode.
5. If there is very little current or no current in the CT circuits, the unit may show
PFs as 0.999 or 1.000. This will go away as soon as the current builds up in
the CTs, above 0.4 % of rated CT.
6. Now, the unit needs to be programmed for the various parameters which are
field programmable. For this refer to next section “OPERATIONAL DETAILS”.
7. The unit is ready for operation.

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Connection Scheme

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RS485 Connection

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Operational Details
The load manager, GOBLIN is a versatile meter, with all the features needed to
implement with a robust electrical load management system. It can be configured to
suit most control and communication needs.
This is achieved by making as many parameters field programmable, as much
possible. The unit can be operated with three modes such as:
1. Programming Mode
2. Programming Mode Using Utility
3. Run Mode
For Programming Mode Using Utility, refer in latter section, “Communication”.
After supplying power (80 VAC - 470 VAC) to the three phases along with auxiliary
supply the unit displays immediately power receiving information such as Factory
name and Location and then, enters into first page of Run Mode such as shown
below.
Now, the unit can be operated by pressing keys provided with the following:
Vry=521.5
Vyb=521.1
Vbr=521.7
Frq.=49.80

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Programming Mode
The unit is designed with a secure default password,”1947”. The password is also
changeable from 0 to 9 according to user’s desire (see in the next section,
programmable parameter, “Changing a Password”). To enter into Programming
Mode, press in Run Mode for about four seconds and then, the password display
will show with a four digits of zeroes of which first digit, zero will be blinking.
To enter the password, press key one time which will alter into first digit, 1 and
press key to shift into second digit. Press again nine times to alter into 9,
press key again to shift into 3rd digit and press key four times to alter into 4
and then, press key to shift into 4th digits and press key seven times to alter
into 7. After entering the default password, press key to enter into Programming
Mode. ‘P’ shows blinking in each page which indicates the page is in Programming
Mode.
Setting CT Primary, CT Secondary, PT Primary and PT Secondary
In order to give actual currents and voltages, the CT Primary, CT Secondary, PT
Primary and PT Secondary should be selected with the following:
•CT Primary:- freely programmable from 5 to 5000.
•CT Secondary:-selectable to either 1 or 5.
•PT Primary: 3.3 KV, 6.6 KV, 11KV, 22KV, 33KV, 66KV, 110V, 415V, 440V.
•PT Secondary: 110V or 415V and 440V.
To set the above parameters, proceed the following instructions.
1. After entering the password such as steps before, the unit enters into
Programming Mode and shows an arrow onto CT-Primary by default with the
following page.
2. Press key which will start blinking the Arrow and the parameter can now be
>CT PRI:500
CT SEC:5
PT PRI:415V
PT SEC:415V P
PASSWORD
0000

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set by pressing and keys. Set the desired parameters and then, press
key to confirm the setting that will also stop blinking.
3. Press key to enter into the next parameter, CT Secondary and press
key again which will start blinking the Arrow along with the parameter. Select
the desired CT Secondary by pressing and keys as steps before and
press key again to confirm.
4. Set PT Primary, PT Secondary also with the same steps before.
5. If the setting is completed, press for about four seconds to return into Run
Mode. Otherwise, press key to set for next parameters such as before.
Setting Neutral CT Primary, Neutral CT Secondary, Password and
Log Duration
In the above Programming Mode, press key till the unit enters into the following
display and then, set such as steps before.
Neutral CT Primary and Secondary
Neutral CT Primary is settable from 5 to 5000 and CT Secondary is selectable to
either 1 or 5. To measure actual Neutral current, both Neutral CT Primary (N_CT
PRI) and CT Secondary (N_CT SEC) should be set.
Changing a Password
Password (CHG PASWRD) is changeable from 0 to 9. To change the password,
press key to enter the Arrow onto PASSWORD and then, press keys that will
start blinking with first digit, “0” which shows the password can be changed. Set any
digits from 0 to 9 by pressing key and press key to shift into next digits and
set four digits with the same steps. In case, any set digit is necessary to change
again, press key till the desired digit is blinking and then set as before steps.
After setting the four digits, press again to confirm it.
Log Duration
For logging the parameters, the Log Duration (LOG DUR) can be specified from 1 to
60 minutes. GOBLIN has the capability to log data on its own Non-volatile RAM. This
data is logged in an FIFO buffer. Once the buffer (19691 records) is full, the oldest
data is discarded and the newest data is filled into the buffer. This data can then be
downloaded by using a software utility provided by Trinity, to a PC, record by record.
>N_CT PRI:1280
N_CT SEC:1
CHG PASWRD:0000
LOG DUR:1 Min P

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Setting Real Date, Time, Baud Rate and Unit Address for RS485 Port
In the above Programming Mode, press key till the unit enters into the following
display and then, set such as steps before.
Real Date and Time (RTC)
The Real Date can be set with the format of date, month and year (i.e.
DD/MM/YYYY). To set the Date, press key that will start blinking both “DD” and
Arrow. Set ‘DD’ by pressing and keys and then, press key to shift onto
month (MM) and set by pressing and keys as steps before. Likewise, set
years YYYY also.
The Real Time can also be as above steps with current time where the Time shows
with the format of hour, Minute and Second (i.e., HH/MM/SS). Here the Hour should
be set as 24 hour. This real time will also reflect into data logging which can be
observed after downloading logged data.
Baud Rate and Unit Address for RS485 Communication port.
In case of RS485 port, the BAUD RATE is settable to either 9600 or 19200 and the
unit Address is settable from 1 to 255.
Selecting Relays, Alarm Parameters, Alarm Values and Hysteresis
In the above Programming Mode, press key till the unit enters into the following
display and then, set such as steps before.
Relay (rly)
GOBLIN has four relay contacts, which are individually field programmable from 1 to
4.
Alarm on
There are seven alarm parameters: Avg. Volts [(Vry+Vyb+Vbr)/3], Avg. Amps
[(Ir+Iy+Ib)/3], KVA, KW, KVAR, KW Demand, KVA Demand and PF. These
>RELAY:1
ALARM ON:KVAR
ALARM VAL:1
R_HYSTER.:1 P
>DATE:28/02/2011
TIME:13:38:24
BAUD RATE:9600
ADDRESS:3 P

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parameters are programmable for each alarm relay according to user’s requirement.
In case, user is not desired for alarm, the Alarm should be set to NONE.
Alarm Value
Alarm values are freely programmable from 1 to 10000. In case of Avg. Volts, the
parameter is freely programmable from 1 to 70000. The value indicates the level at
which the relay will close. e.g., If the ALARM ON has been selected to KW, and
ALARM VALUE is set to 450, the relay will close when the KW exceeds 450 and
remains so for 1 minute.
Also, the switching ON logic for PF is reversed. For all parameters, the relay closed
when the parameter value exceeds that defined by Value for more than one minute.
In case of PF however, the relay will close when the PF falls below the Value and
remains so for more than one minute. Also, the PF Value should also be read with a
multiplication factor of 1000. e.g. If the Alarm parameter, PF is set with its value, 955,
the relay will close when PF falls below 955(0.955 PF X1000 =955).
Hysteresis
The last parameter called Hysteresis that defines the opening point for the relay
which has closed in response to an alarm condition. This is specified as percentage
of the Value. Thus, setting Hysteresis of 2 implies that the relay which closes when
the parameter reaches the setting Value and opens when the parameter falls below
0.98 x Value. This implement comes to prevent frequent operation / nuisance
operation of the relay near the setting Value.
Selecting Events, Event Parameters, Event Values and Hysteresis
In the above Programming Mode, press key till the unit enters into the following
display and then, set such as steps before.
Event
There are four types of Event which can be logged for user defined event
parameters.
Event On
There are seven event parameters: Avg. Volts [(Vry+Vyb+Vbr)/3], Avg. Amps
[(Ir+Iy+Ib)/3], KVA, KW, KVAR, KW Demand, KVA Demand and PF. These
parameters are programmable for each event according to user’s desire. In case,
user is not desired any event, the event should be set to NONE.
Event Value
Alarm values are freely programmable from 1 to 10000. In case of Avg. Volt, the
parameter is freely programmable from 1 to 70000. The value indicates the level at
>EVENT:1
EVENT ON:I avg.
EVENT VAL:450
E_HYSTER.:2 P

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which the event will log. E.g. If the EVENT ON for EVENT 1 has been selected to
KW, and the value is set to 450, the EVENT 1 will log when the KW exceeds 450
and remains so for 1 minute.
In case of PF, the PF value is entered with a multiplication factor of 1000. e.g. PF,
955 should be read as 0.955 with a multiplication factor of 1000. EVENT will thus
log when the PF falls below 0.955 and remains so for more than one minute.
Event Hysteresis
The Event Hysteresis is also same as Alarm Hysteresis defined before.
Selecting Demand Window (both KW and KVA), Installation type and
Reset Demand
In the above Programming Mode, press key till the unit enters into the following
display and then, set such as steps before.
Demand On
Demand Window specifies for both two Demands: KW and KVA and so the Demand
ON, KW & KVA are fixed that is not settable. For both the Demand Window, Sliding
and Fix Demand are an integration period of 30 or 15 minutes. The demand
calculation is selectable to Fix Demand or Sliding Demand with the following: FIX-15,
FIX-30, SLI-15 and SLI-30.
Installation type
The unit supports two types of Electrical installation such as 3P4W and 3P3W.
According to your electrical installation, the installation type should be selected to
either 3P4W or 3P3W as before setting.
Reset Demand
Reset Demand can be specified such as whether the demand will be reset
automatically or manually. In case of automatic reset, there are two options:
auto_day or auto_ month. If user selects auto_day then DEMAND will reset every 24
hrs at 12:00 a.m. and if user selects auto_month then DEMAND will reset on 1st of
every month at 7:00 a.m. Otherwise, RESET DEMAND should be set to MAN., to
reset manually.
DMN ON:KW & KVA
>DMD WIND:SLI_30
INST.:3P4W
RST DMD:MAN. P

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Resetting Energy, Min-Max parameters, Logs and Max Demand
In the above Programming Mode, press key till the unit enters into the following
display and then, set such as steps before.
Reset Energy
The Energy counter can be reset for all three energies recorded. This feature can be
used judiciously, as resetting Energy counters reflect in the logged data also and can
cause errors in the reports generated.
Reset Minimum and Maximum
The minimum and maximum value for all the parameters can be reset to zero.
Reset Log
The logged data for all the parameters can be reset to zero.
Reset Maximum Demand
The Maximum Demand for both KW and KVA recorded can be reset to zero.
Resetting Event, All Parameters and Restore to Default Values
In the above Programming Mode, press key till the unit enters into the following
display and then, set such as steps before.
Reset Event
The Event logging for all the event parameters can be reset to zeroes.
Reset All
All the reset parameters mentioned above can be reset to zeroes.
Restore Default parameter
The unit has a feature of which user can restore for all counters to a default values in
Programming Mode.
Once reset, the user has to re-programme all parameters again.
>RST EVNT:NO
RESET ALL:NO
RESTOR DEF.:NO
P
>RESET ENERG:NO
RST MIN-MAX:NO
RESET LOGS:NO
RST MAXDMD:NO P

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Run Mode
In the run mode, the various parameters measured/calculated by the meter are
displayed on different pages on a 128X64 graphical Backlit LC Display.
Run Mode display in 3P4W and 3P3W
The first page shows phase to phase voltage of three phases (i.e., Vry, Vyb and
Vbr) in first line, second line and third line respectively. The last line shows
Frequency (Hz).
The second page shows currents in R-phase, Y-phase and B-phase (i.e., Ir, Iy
and Ib) in first line, second line and third line respectively. The last line, ‘In’ shows
neutral current (Neutral current is not displayed in 3P3W).
The third page shows phase to neutral voltage in three phases (i.e., Vrn, Vyn,
Vbn) in first line, second line and third line respectively.
Vrn=238.6
Vyn=235.7
Vbn=240.8
Ir=29.18
Iy=29.24
Ib=32.21
In=1.2
Vry=408.5
Vyb=413.1
Vbr=415.7
Frq.=49.80

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The fourth page shows PF in three phases (i.e., R-phase, Y-phase and B-phase)
in second line, third line and fourth line respectively.
The fifth page shows Active Power (KW), Apparent Power (KVA) and Reactive
power (KVAR) in first line, second line and third line respectively. The last line
shows System PF with PF lagging.
The sixth page shows Apparent Energy (KVAh) and Active Energy (KWh).
The seventh page shows Reactive Energy in LEAD and LAG.
KVARh(LD)=
5.56
KVARh(LG)=
4.10
KVAh=
8.09
KWh=
5.99
KW=17.27
KVA=21.61
KVAR=13.07
PF=0.796 LG
PF:
R=0.797 LG
Y=0.784 LG
B=0.813 LG