ABB RGM40 meter Manual de usuario

—

QUICK START GUIDE

RGM40 meter

RGM40 METER QUICKSTART GUIDE

Installation of the RGM40 meter must be

performed only by qualified personnel who

follow standard safety precautions during all

procedures. Those personnel should have

appropriate training and experience with high

voltage devices. Appropriate safety gloves,

safety glasses and protective clothing are

recommended.

During normal operation of the RGM40 meter,

dangerous voltages flow through many parts of

the unit, including: Terminals and any connected

CTs (current transformers) and PTs (potential

transformers), all I/O modules and their circuits.

All primary and secondary circuits can, at times,

produce lethal voltages and currents. Avoid

contact with any current-carrying surfaces.

Do not use the meter or any I/O device for

primary protection or in an energy-limiting

capacity. The meter can only be used as

secondary protection.

IMPORTANT! Refer to your meter’s user

manual for additional safety warnings before

performing installation, wiring or maintenance

of your meter.

1. Slide top groove of meter

onto the DIN rail.

2. Press gently until the meter

clicks into place.

3. Use two screws to secure

the meter to the DIN rail.

—

01 DIN mount

Din mount

mount din

Mount DIN

—

Safety warnings

—

Mechanical installation

Earth ground

IA IA

LO HI

IB IB

LO HI

IC IC

LO HI

GND

(+)

(-)

REF

Earth ground

Fuses

Line

Load

V1V2V3

Fuse

3 A

Line

Neutral

Refer to meter

specifications

for power supply

rating.

CT shorting block

EI# SB-6TC

*Refer to shorting block

instructions to apply

shorts

I3-LO

I2-HI

I3-HI

I2-LO

I1-HI

I1-LO

Earth ground

IA IA

LO HI

IB IB

LO HI

IC IC

LO HI

GND

(+)

(-)

REF

Earth ground

Fuses

Line

Load

V1V2V3

CT shorting block

EI# SB-6TC

*refer to shorting block

instructions to apply

shorts

Fuse

3 A

Line

Neutral

Refer to meter

specifications

for power supply

rating.

No connection to meter

I2-HI

I3-HI

I1-HI

Earth ground

IA IA

LO HI

IB IB

LO HI

IC IC

LO HI

GND

(+)

(-)

REF

Fuses

Line

Load

V1V2V3

I3-LO

I2-HI

I3-HI

CT shorting block

EI# SB-6TC

*Refer to shorting block

instructions to apply

shorts

I2-LO

I1-HI

I1-LO

Fuse

3 A

Line

Neutral

Refer to meter

specifications

for power supply

rating.

Earth ground

IA IA

LO HI

IB IB

LO HI

IC IC

LO HI

GND

(+)

(-)

REF

Fuses

Line

Load

V1V2V3

I3-HI

I1-HI

CT Shorting block

EI# SB-6TC

*Refer to shorting block

instructions to apply

shorts

I2-HI

Fuse

3 A

Line

Neutral

Refer to meter

specifications

for power supply

rating.

No connection to meter

ELECTRICAL INSTALLATION

—

Select diagram for your

application; see user manual

for additional diagrams.

IMPORTANT!

For Delta connections, do not exceed 480 V

ungrounded or 240 V corner grounded.

—

02 Wye/Delta*, 4-wire, no PTs, 3 CTs

—

03 Wye/Delta*, 4-wire, 3 PTs, 3 CTs

—

04 Delta*, 3-wire, no PTs, 2 CTs

—

05 Delta*, 3-wire, 2 PTs, 2 CTs

—

Electrical installation

RGM40 METER QUICKSTART GUIDE

Program settings using the faceplate buttons:

(MENU, ENTER, DOWN ARROW, RIGHT ARROW)

See figure 01 for the location of the faceplate

buttons. See the user manual for display details.

Access configuration mode:

1. Push the MENU button — you will see the

display below; rSt will be blinking.

2. Press the DOWN ARROW once. CFG

(configuration) moves to the top of

the display.

3. Press the ENTER button. You will see the

configuration menu, shown below.

4. Press the DOWN ARROW and then press the

ENTER button. You will see the CT numerator

setting screen (Ct-n). The current CT

numerator is shown in the second line. To

change the setting, press the DOWN ARROW

until the value you want is displayed. Then

press the RIGHT ARROW to move to the next

digit. Repeat until the setting is done.

5. Press the ENTER button to go to the CT

denominator screen (CT-d). This setting is

display only — it can’t be changed.

6. Press the ENTER button to go to the CT

scaling setting screen (CT-S). The current

scaling is shown in the second line. Press the

DOWN ARROW to choose another value. You

can choose 1, 10 or 100.

7. Press the ENTER button to go to the PT

numerator setting screen (Pt-n).The current

PT numerator is shown in the second line. To

change the setting, press the DOWN ARROW

until the value you want is displayed. Then

press the RIGHT ARROW to move to the next

digit. Repeat until the setting is done.

8. Press the ENTER button to go to the PT-

denominator screen (Pt-d). The current PT

denominator is shown in the second line. To

change the setting, press the DOWN ARROW

until the value you want is displayed. Then

press the RIGHT ARROW to move to the next

digit. Repeat until the setting is done.

9. Press the ENTER button to go to the PT

scaling setting screen (PT-S). The current

scaling is shown in the second line. Press the

DOWN ARROW to choose another value. You

can choose 1, 10, 100 or 1000.

Note: See example CT and PT settings on page 5

of this quick start guide.

—

01 Faceplate buttons

—

Program settings

PROGRAM SETTINGS

10. Press the ENTER button to go to the

connection setting screen (Cnct). The current

setting is shown in the second line. Press the

DOWN ARROW to choose another value. You

can choose 3 EL (element) Wye, 2 Ct del

(Delta) or 2.5 EL Wye.

11. Press the ENTER button to go to the meter

address setting screen (Adr). The meter’s

current address is shown in the second line.

To change the setting, press the DOWN

ARROW until the value you want is displayed.

Then press the RIGHT ARROW to move to the

next digit. Repeat until the setting is done.

Valid addresses are from 001 through 247. If

you have the Ethernet option, keep this as 1.

12. Press the ENTER button to go to the meter

baud rate setting screen (bAUd). The meter’s

current baud rate is shown in the second line.

Press the DOWN ARROW to choose another

baud rate. You can choose 9600 (choose this

for RS485 connection), 19.2 (19200), 38.4

(38400) or 57.6 (57600). If you have the

Ethernet option, keep this as 57.6.

13. Press the ENTER button to go to the meter

protocol setting screen (Prot). The meter’s

current protocol is shown in the second and

third lines. Press the DOWN ARROW to

choose another communication protocol.

You can choose Mod rtU (Modbus RTU;

choose this for RS485 or Ethernet

connection), Mod ASCI (Modbus ASCII)

or dnp (DNP3).

14. Press the ENTER button to go to the scroll

setting screen (SCrL). The current setting is

shown in the second line. Press the DOWN

ARROW to choose another setting. You can

choose YES (the meter readings will scroll on

the display) or no (the meter readings will

not scroll on the display).

15. Press the MENU button twice. You will see

the store settings screen (Stor ALL?) The

default setting is YES. To save the settings

you’ve made, press the ENTER button. You

will see the confirmation screen (Stor ALL

done) and then the meter resets.

Note: If you do not want to save your settings,

press the RIGHT ARROW. YES changes to NO.

Press the ENTER button.

RGM40 METER QUICKSTART GUIDE

Example CT settings:

200/5 amps: Set the Ct-n value as 200,

Ct-S value as 1.

800/5 amps: Set the Ct-n value as 800,

Ct-S value as 1.

2000/5 amps: Set the Ct-n value as 2000,

Ct-S value as 1

10,000/5 amps: Set the Ct-n value as 1000,

Ct-S value as 10.

Example PT settings:

14400/120 volts: Set the Pt-n value as 1440,

Pt-d value as 120, Pt-S value as 10.

138000/69 volts: Set the Pt-n value as 1380,

Pt-d value as 69, Pt-S value as 100.

345000/115 volts: Set the Pt-n value as 3450,

Pt-d value as 115, Pt-S value as 100.

345000/69 volts: Set the Pt-n value as 0345,

Pt-d value as 69, Pt-S value as 1000.

For additional programming instructions for

the faceplate buttons, see chapter 5 in the

RGM40 meter user manual.

—

Program settings

PROGRAM SETTINGS

—

Notes

—

ABB Inc. has made every attempt to ensure

the accuracy and reliability of the contents

of this document. However, all content is

provided for general informational

purposes only, and ABB Inc. makes no

guaranty or warranty, express or implied, as

to the accuracy of any technical content, or

that the information contained in this

publication will be error free and all such

guarantees or warranties are expressly

disclaimed. ABB Inc. may change or modify

the contents at any time, without prior

notice. We reserve all rights in this

document and in the subject matter and

illustrations contained therein. Any

reproduction or utilization of its contents —

in whole or in parts — is forbidden without

prior written consent of ABB Inc.

—

USA

ABB Inc.

305 Gregson Drive

Cary, NC 27511

abb.com/lowvoltage

1SQC173001M0201, 8.2022

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