Satec RPT091 User manual

Brand: Satec

Model: RPT091

Type: User manual

RPT091

Remote Power Transducer

Installation & Operation

Manual

BG0119 Rev. B

RPT091

REMOTE POWER

TRANSDUCER

Installation and Operation

Manual

LIMITED WARRANTY

The manufacturer offers the customer an 18-month functional

warranty on the instrument for faulty workmanship or parts

from date of dispatch from the distributor. In all cases, this

warranty is valid for 24 months from the date of production.

This warranty is on a return to factory basis.

The manufacturer does not accept liability for any damage caused by instrument

malfunction. The manufacturer accepts no responsibility for the suitability of the

instrument to the application for which it was purchased.

Failure to install, setup or operate the instrument according to the instructions

herein will void the warranty.

Your instrument may be opened only by a duly authorized representative of the

manufacturer. The unit should only be opened in a fully anti-static environment.

Failure to do so may damage the electronic components and will void the

warranty.

NOTE

The greatest care has been taken to manufacture and calibrate your instrument.

However, these instructions do not cover all possible contingencies that may

arise during installation, operation or maintenance, and all details and variations

of this equipment are not covered by these instructions.

For additional information regarding installation, operation or maintenance of

this instrument, contact the manufacturer or your local representative or

distributor.

IMPORTANT

Please read instructions contained in this manual before performing installation,

and take note of the following precautions:

1. Ensure that all incoming AC power and other power sources are turned OFF

before performing any work on the instrument. Failure to do so may result

in serious or even fatal injury and/or equipment damage.

2. Before connecting the instrument to the power source, check the labels on

the side of the instrument to ensure that your instrument is equipped with the

appropriate power supply voltage, input voltages, currents, analog output

and communication protocol for your application. Also check the

correctness of other ordering options.

3. Under no circumstances should the instrument be connected to a power

source if it is damaged.

4. To prevent potential fire or shock hazard, do not expose the instrument to

rain or moisture.

5. The secondary of an external current transformer must never be allowed to

be open circuit when the primary is energized. An open circuit can cause

high voltages, possibly resulting in equipment damage, fire and even serious

or fatal injury. Ensure that the current transformer wiring is made through

shorting switches and is secured using an external strain relief to reduce

mechanical strain on the screw terminals, if necessary.

6. The RPT091 relays should not be used for basic (primary) protection of

power lines, transformers or motors, or for protection of people from injury.

7. Setup procedures must be performed only by qualified personnel familiar

with the instrument and its associated electrical equipment.

8. DO NOT attempt to open the instrument under any circumstances.

BG0119 Rev. B

iii

Table of Contents

Chapter 1 Introduction______________________________________1

1.1About This Manual________________________________________1

1.2About the RPT091_________________________________________1

1.3Getting Started___________________________________________4

1.3.1 Turning on the Transducer____________________________________4

1.3.2 The Remote Display Module___________________________________5

1.4Post-Installation Checking__________________________________6

Chapter 2 Installation and Interfaces__________________________7

2.1Initial Inspection__________________________________________7

2.2Mechanical Installation_____________________________________7

2.2.1 Location___________________________________________________7

2.2.2 Mounting Procedure for RDM_________________________________8

2.2.3 Mounting Procedure for RPT__________________________________9

2.3Electrical Installation_____________________________________10

2.3.1 Power Source Connection____________________________________12

2.3.2 Voltage Input Connections___________________________________12

2.3.3 Current Inputs_____________________________________________13

2.3.4 Wiring Configurations_______________________________________13

2.3.5 Ground Connection_________________________________________17

2.3.6 Communications Connections_________________________________17

2.3.7 Relay Connections__________________________________________21

2.3.8 Status Input Connection_____________________________________22

2.3.9 Analog Output Connection___________________________________23

2.3.10Analog Expander Connection_________________________________24

2.3.11Remote Display Module Connection___________________________24

Chapter 3 Setup on the RDM________________________________25

3.1Setup Mode_____________________________________________25

3.1.1 RDM Display Windows in Setup Mode_________________________25

3.1.2 RDM Keys in Setup Mode___________________________________25

3.1.3 Entering/Quitting Setup Mode_________________________________26

3.1.4 Password_________________________________________________26

3.1.5 Setup Menus______________________________________________27

3.1.6 Selecting and Entering Values_________________________________28

3.2 Basic Setup______________________________________________29

3.3 Communications Port Setup _______________________________32

3.4 Status Inputs Setup - Optional ______________________________34

3.5 Analog Output Setup - Optional_____________________________35

3.6 Analog Expander Setup - Optional __________________________39

3.7 Pulsing Output Setup - Optional ____________________________39

3.8 Alarm Setpoints Setup ____________________________________41

3.9 RTC Setup ______________________________________________44

3.10 Display Setup____________________________________________46

3.11 Access Control Setup _____________________________________47

3.12 Resetting Energies & Maximum Demands____________________48

Chapter 4 RDM Data Display ______________________________ 49

4.1 Viewing the Displays______________________________________49

4.2 Display Formats _________________________________________50

4.3 Self-Test Diagnostics ______________________________________54

Chapter 5 Troubleshooting ________________________________ 55

Appendix:

Technical Specifications ___________________________________ 58

Index ___________________________________________________ 62

Chapter 1 Introduction 1

Chapter 1 Introduction

1.1 About This Manual

This manual is intended for the user of the RPT091 Remote Power

Transducer. This transducer is a microprocessor-based instrument used

for the measurement, monitoring, and management of electrical

parameters.

This chapter gives an overview of this manual and an introduction to the

RPT091, including its standard and optional features.

Chapter 2, Installation and Interfaces, provides details on mechanical and

electrical installation.

Chapter 3, Setup on the RDM, provides instructions for performing

parameter setup on the optional Remote Display Module (RDM).

Instructions for performing the setup on your computer are found on the

accompanying diskette that contains the PComTest program.

Chapter 4, RDM Data Display, tells you how to read the RDM displays.

Appendix A contains Technical Specifications of the RPT091.

1.2 About the RPT091

The RPT091 is a compact three-phase AC remote power transducer,

specially designed to meet the requirements of users ranging from

electrical panel builders to substation operators. The unit operates as a

transducer with a remote master (computer or PLC), or as a stand-alone

transducer with a Remote Display Module (RDM). In the latter case a

remote master may be used also.

The RDM can be panel mounted (using either a 4-inch round or 96 x 96

mm square cutout) or hand-held. The panel mounted RDM and the wall

mounted RPT together provide a retrofit solution for users wishing to

replace old equipment.

The following are features of the RPT091:

2Chapter 1 Introduction

Measured Parameters

The RPT091 measures the parameters listed below. The symbol ‘N’

denotes measurements that are averages of either 8, 16, or 32 real-time

values; ‘+’ denotes real time measurements in one cycle of fundamental

frequency.

Parameter Commu-

nication

RDM

Display

nalog

Output

Pulsing

Relay

larms

Control

Relay

Voltages and Currents

Voltage (L-n/L-L) per phase N + N N + N +

Current per phase N + N N + N +

Neutral (unbalanced)

current

N + N N N

Powers

kW per phase N + N

kvar per phase N + N

kVA per phase N + N

Power factor per phase N + N

kW total N + N N + N

kvar total N + N N + N

kVA total N + N N + N

Power factor total N + N N + N

Frequency N + N N + N+

Demand

Ampere Demand per phase N N

Max.Ampere Demand per

phase

N N

Accumulated kW demand N N N

Accumulated kVA demand N N N

kW Demand N N

KVA Demand N N

kW Sliding Demand N N

KVA Sliding Demand N N

kW Maximum Sliding

Demand

N N

KVA Maximum Sliding

Demand

N N

Energy

kWh Import per phase N N

kvarh Import per phase N N

Chapter 1 Introduction 3

Parameter Commu-

nication

RDM

Display

nalog

Output

Pulsing

Relay

larms

Control

Relay

kVAh Import per phase N N

kWh Total Import / Export N N N

kvarh Total Import / Export N N N

kVA Total N N N

kvarh net N

Harmonic Distortion (RPT091H)

Voltage THD per phase N + N +

Current THD per phase N + N +

Current TDD per phase N + N +

K- Factor per phase N +

Status

Discrete Input Status N N N

Relay Output Status N N

Alarm Trigger Status N

Phase Rotation N N N

Remote Control via

Communication

N N

Displayed values are set according to the potential transformer ratio (if

relevant) and current transformer primary current.

Inputs and Outputs

The RPT091 has the following inputs/outputs:

• 1 analog output (optional)

• 2 energy pulsing/alarm relay outputs

• 4 status inputs, for status of dry contacts, Analog Output

Multiplexer, and/or external synchronization of Power Demand

Period (optional)

Communications Connection

The RPT091 has a RS-422/RS-485 communications connection to a

computer. The RS-422/RS-485 can operate in multi-drop mode,

permitting the connection of up to 32 instruments to a single

communications line.

4Chapter 1 Introduction

Remote Display Module - Optional

The RPT091 can be equipped with a Remote Display Module (RDM) that

provides local data display for the RPT091, as well as setup capabilities.

The RDM is connected to the RPT091 via a conventional DB15

connector (0.4/1.8/3.0 m cable supplied).

The display is multi-page and is composed of three windows with high-

brightness digital LEDs. The keypad consists of six long-life push-button

keys used for viewing displays and for initial setup of the instrument.

There are two modes of operation in the RDM: setup mode, for initial

setup of parameters (see Chapter 3, Setup on the RDM), and display

mode, in which the Transducer executes measurement functions and

displays the results (see Chapter 4, RDM Data Display). The display

mode is the default mode.

Harmonics - Optional

The RPT091H offers additional measured parameters: Total Harmonic

Distortion (THD) and Total Demand Distortion (TDD).

1.3 Getting Started

After you have installed your Transducer (see Chapter 2, Installation and

Interfaces), you will be ready to turn on the instrument and perform the

initial setup, in which you define the configuration of the instrument (see

Chapter 3, Setup on the RDM). Following are basic instructions for

turning on the Transducer and an explanation of the RDM elements.

1.3.1

1.3.11.3.1

1.3.1 Turning on the Transducer

Connect the Transducer to a suitable power source. When power is

applied, the Transducer initiates a series of self-tests. Upon completion of

the self-tests, all of the front panel LEDs will light up for one second and

indicate a one-digit diagnostic code (see Section 4.3 for a list of error

codes). An ‘8’ represents normal power up. If a different diagnostic code

constantly appears when you apply power to the instrument, contact your

local distributor for instructions.

If the power LED is not lit, check the voltage level on the instrument

power supply inputs (10, 12). If the display LEDs are not lit, check the

RDM cable connections.

Chapter 1 Introduction 5

1.3.2 The Remote Display Module

The RDM, shown in Figure 1-1, consists of three display windows and

six keys. The functions of the keys are as follows:

In Setup Mode:

SELECT Scrolls vertically between windows; makes a window active

ENTER Enters menu/sub-menu, or performs an action indicated in

the active window, or stores a value you selected in the

active edit window

ESC Returns to the higher menu/sub-menu level, or quits an

active window without changes

UP ARROW

▲

▲▲

▲ Scrolls values forward in the active window

DOWN ARROW ▼

▼▼

▼ Scrolls values backward in the active window

In Display Mode:

UP ARROW

▲

▲▲

▲ Scrolls display pages backward

DOWN ARROW ▼

▼▼

▼ Scrolls display pages forward

BOTH ARROWS

AT ONCE

▲ ▼ Returns to page 1 of the display

MAX. DEMAND Selects the maximum demands group

THD/TDD Selects the harmonic measurements group (for option

RPT091H only)

ENERGY Selects the energy measurements group

SELECT

Quits display mode and enters setup mode

Figure 1-1 The RDM Panel - Display Mode

6Chapter 1 Introduction

1.4 Post-Installation Checking

After completion of installation and setup, turn on monitored voltages

and currents and check the following:

N phase voltages must be approximately equal

N phase rotation should be positive (if concrete load does not have

negative phase rotation)

N symmetrical load phase currents must be approximately equal

N phase active powers and power factors must be equal and values

correspond to actual load

TROUBLESHOOTING

If any of these conditions are not fulfilled, check the voltage and current inputs connections.

Incorrect polarity of CT connections or incorrect voltage and/or current phase rotation could

be possible causes of errors.

Chapter 2 Installation and Interfaces 7

Chapter 2 Installation and Interfaces

2.1 Initial Inspection

Upon receipt, the instrument should be free of damage and in perfect

order. To confirm this, first inspect the instrument for physical damage

incurred in transit. If the instrument is damaged, inform your local

distributor immediately. Only after you have determined that the

instrument is damage-free, test the electrical performance.

2.2 Mechanical Installation

2.2.1

2.2.12.2.1

2.2.1 Location

The instrument should be mounted away from heat sources in a dirt-free

environment. The instrument should not be operated in direct sunlight nor

should it come into contact with oil or moisture.

Although designed to operate in an electrically noisy environment, the

instrument should not be placed near very high electric fields. In the

event that the instrument is mounted in a harsh, noisy environment with

high potential for electromagnetic impulses from heavy switch gears,

motors or lightning, it is recommended to install appropriate protective

devices such as lightening and over-voltage arresters to all incoming

voltage inputs.

8 Chapter 2 Installation and Interfaces

2.2.2

2.2.22.2.2

2.2.2 Mounting Procedure for RDM

The RDM can be mounted on a round or square cut-out. The cut-out

dimensions are shown in Figure 2-1 and the mounting system in Figure

2-2. All materials required for mounting are provided with the RDM.

Figure 2-1 RDM Cut-Out Dimensions

Figure 2-2 Mounting the RDM

92.0

4 PLS.

.198 DIA

DIN43700

c98-09001/1

3.375"

c98-09001-2

Chapter 2 Installation and Interfaces 9

2.2.3

2.2.32.2.3

2.2.3 Mounting Procedure for RPT

The RPT091 can be mounted on a 35mm DIN rail or wall-mounted using

a retrofit kit. The retrofit kit for a round cut-out is shown in Figures 2-3

and 2-4.

Assembly for Retrofit

1. Insert the RDM into the cut-out and mount the two brackets on the

protruding studs.

2. Fasten the brackets using the wide flat washers, lock washers #8 and

wing nuts #8-32. Do not tighten the nuts.

Figure 2-3 Mounting the RPT - Retrofit

3. Mount the RPT on mounting studs #6-32.

4. Supporting the RPT with your hand, assemble the four screws #6-32

(5/8" length) and lock washer #6; fasten the RPT to the brackets.

5. Tighten the wing nuts to secure the assembly.

Connect the RDM to the RPT using the cable supplied.

c98-09001-3

10 Chapter 2 Installation and Interfaces

Figure 2-4 The RPT Mounted - Retrofit

2.3 Electrical Installation

 Before performing any installation procedure, ensure that

all incoming power sources are shut OFF. Failure to

observe this practice can result in serious or even fatal

injury and damage to equipment.

Connections to the RPT091 are made via terminals located on the front of

the instrument, shown in Figure 2-5 .

c98-09001-4

Chapter 2 Installation and Interfaces 11

Figure 2-5 Locations of Terminals: Front View

NOTE: Power source and current input connections require use of the two suppression cores provided with the instrument.

INPUTS

STATUS

POWER

RPT091

RDM

TXD

RXD

+--

INPUT

RS-422/485

COMMUNICATION

+TX

-TX+RX

PROT.

-RX

RELAYS

OUTPUT

ANALOG

43 +

c98-10019

EL0009 WIDE

SUPPRESSION CORE

SUPPLY

SATEC

12 Chapter 2 Installation and Interfaces

2.3.1

2.3.12.3.1

2.3.1 Power Source Connection

The RPT091 can be powered from a dedicated fused power source, or

from a monitored voltage if it is within the transducer power supply

range.

Recommendation:

If the RPT091 is a part of a monitoring system (SCADA) with

the host computer or if it is used as an alarm relay, the

instrument should be powered from a dedicated reliable

source (e.g., a substation storage battery or UPS).

If the RPT091 is a stand-alone metering instrument, monitored

voltage may be used as the supply voltage source.

The instrument is operated from a single phase AC power source

supplying either 120V/60Hz or 230V/50Hz, depending on which you

ordered. The optional DC power supply should be connected to the same

terminals.

AC power supply: line to terminal 12; neutral to terminal 10.

DC power supply: positive to terminal 12; negative to terminal 10.

Connections to the power supply and current terminals should be made

using one of the two suppression cores provided with your instrument as

shown in Figure 2-5.

2.3.2

2.3.22.3.2

2.3.2 Voltage Input Connections

All voltage inputs are galvanically isolated using internal voltage

transformers.

Input of 690V (Standard): To ensure accurate readings, the measured

voltage between terminals 2-5, 5-8 and 8-2 should not exceed 790V AC

RMS, and the measured voltage between terminals 2-11, 5-11 and 8-11

should not exceed 460V AC RMS and 695V amplitude. Use any of the

seven wiring configurations shown in Figures 2-6 through 2-12.

Input of 120V (Option U): To ensure accurate readings, the measured

voltage between terminals 2-5, 5-8, 8-2, 2-11, 5-11 and 8-11 should not

exceed 144V AC RMS and 225V amplitude. 120V input usually implies

use of a potential transformer (PT). The PT requires use of any of the four

wiring configurations shown in Figures 2-8 through 2-11.

Chapter 2 Installation and Interfaces 13

2.3.3

2.3.32.3.3

2.3.3 Current Inputs

To ensure accurate readings, the input current should not exceed 1.2A

RMS and 1.76A amplitude for the 1A CT secondary, or 6A RMS and

8.8A amplitude for the 5A CT secondary.

All current inputs are galvanically isolated using internal current

transformers.

If copper wiring is used to the current inputs, its thickness should be 2.5 -

4mm2 (13 -11 AWG).

The RPT091 provides correct measurements of the current if at least one

of the voltages V1 or V3 is connected (or if the input frequency differs

from its setup value by no more than 2%).

The CTs must be connected in the correct order and with the correct

polarity as shown in the wiring diagrams for the instrument to

provide correct readings.

2.3.4

2.3.42.3.4

2.3.4 Wiring Configurations

There are seven possible wiring configurations, as shown Figure 2-6

through 2-12. For each wiring configuration there is an associated

definition of the basic setup parameter, ‘Wiring Mode’. See Chapter 3,

Setup on the RDM, for instructions on defining setup parameters.

Wiring Configuration ‘Wiring Mode‘ Definition

3-wire, 2-element Direct connection using 2

CTs

3dir2

4-wire Wye, 3-element Direct connection

using 3 CTs

4LL3 or 4Ln3

4-wire Wye, 3-element connection using 3

PTs and 3 CTs

4LL3 or 4Ln3

3-wire, 2-element Open Delta connection

using 2 PTs and 2 CTs

3OP2

4-wire Wye, 2 1/2-element connection using 2

PTs and 3 CTs

3LL3 or 3Ln3

3-wire Open Delta, 2 1/2-element connection

using 2 PTs and 3 CTs

3OP3

4-wire Grounded Delta direct connection 4LL3 or 4Ln3

14 Chapter 2 Installation and Interfaces

Three Wire 2-Element Direct Connection, 2 CTs

Set the ‘Wiring Mode‘ to '3dir2' .

Figure 2-6 3-Wire Direct Connection, 2 CTs

Four Wire Wye 3-Element Direct Connection, 3 CTs

Set the ‘Wiring Mode’ to '4LL3' or '4Ln3'.

Figure 2-7 4-Wire Wye Direct Connection, 3 CTs

LINE

c98-10010

1(A)

2(B)

3(C)

Shorting

Switches

Currents Voltages

LOAD

10 12 7

911

LINE

c98-1 0009

1(A)

2(B)

3(C)

Shorting

Switches

Currents Voltages

LOAD

10 12 7

911

Page is loading ...

Satec RPT091 User manual

Satec RPT091 User manual

Related papers

Other documents