Johnson Controls EM-3000 Series Manuale utente

EM-3000 Series Meter Quickstart Guide QS - 1

Electronic Circuits

Ia Ia Ib Ib Ic Ic

(+) (-) (+) (-) (+) (-)

Va Vb Vc Vref L1 L2 PE

A B C N

Power Supply Inputs

L2 is for Neutral

Electronic Circuits

Ia Ia Ib Ib Ic Ic

(+) (-) (+) (-) (+) (-)

Va Vb Vc Vn L1 L2 PE

A B C N

Power Supply Inputs

WYE with PTs, 3

Phase, 4 Wire

Detail of JP2 Board and

LAN/485 Setting

WYE Direct, 3

Phase, 4 Wire

Front Cover

Support fitted

into its base

Power Supply

Inputs (Inputs

are unipolar)

L2 is for Neutral

Electronic Circuits

Ethernet, RJ45

Jack

Ia Ia Ib Ib Ic Ic

(+) (-) (+) (-) (+) (-)

Z K Y + - SH

Va Vb Vc Vn L1 L2 PE

RS485

KYZ Pulse

Output

Wireless Ethernet Connection

RS485 Output

(Do not put the

Voltage on these

terminals!)

Voltage

Inputs

Current

Inputs

Access Holes for

Wiring

JP2

WARNING! During normal operation of the meter

dangerous voltages flow through many parts of the meter,

including Terminals and any connected CTs and PTs, 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.

Before performing ANY work on the EM-3000 Series

meter, make sure the meter is powered down and

ALL circuits are de-energized.

IMPORTANT! All wiring is done with the cover open, as shown

on the left. The front cover support fits into its base. Make sure

the support is up before closing the front cover.

Select wiring diagram to meet your application. See User Manual for additional wiring diagrams.

NOTE: Jumper 2 (JP2)

must be set for either

RS485 or Ethernet commu-

nication (see figures on the

left for location of JP2 and

settings). Put the jumper

on positions 2 and 3 for

LAN (Ethernet) communi-

cation, or on 1 and 2 for

RS485 communication.

EM-3000 Series Meter Quickstart Guide

Code No. LIT-12011870

Issued October 25, 2013

EM-3000 Series Meter Quickstart Guide QS - 2

Program Settings Using the Faceplate Buttons: (MENU, ENTER, DOWN ARROW, RIGHT

ARROW) See the figure below for the location of the faceplate buttons.

Access Configuration Mode:

1.Push the MENU button - you will see the display on the right; 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

on the right.

MAX

MIN

VOLTS L-N

AMPS

%LOAD

120%-

PRG

%THD

LM2

LM1

90%-

60%-

30%-

VOLTS L-N

W/VAR/PF

VA/H z

KILO

VARh

VAh

Wh Pulse

MEGA

MENU ENTER

IrDA 0000

0.659

MENU ENTER

Ia Ia Ib Ib Ic Ic

(+) (-) (+) (-) (+) (-)

Va Vb Vc Vref L1 L2 PE

A B C

Ic Electronic Circuits

Power Supply Inputs

DELTA with PTs, 3

Phase, 3 Wire

Electronic Circuits

Ia Ia Ib Ib Ic Ic

(+) (-) (+) (-) (+) (-)

Va Vb Vc Vref L1 L2 PE

A B C

Power Supply Inputs

DELTA Direct, 3

Phase, 3 Wire

EM-3000 Series Meter Quickstart Guide QS - 3

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 the next page.

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 address-

es are from 001 through 247. If you are using the Ethernet option, do NOT

change anything on this screen.

MENU ENTER

EM-3000 Series Meter Quickstart Guide QS - 4

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 are using the

Ethernet option, do NOT change anything on this screen.

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 connection), Mod ASCI (Modbus ASCII), or

dnp (DNP 3.0). If you are using the Ethernet option, do NOT change

anything on this screen.

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.

Example CT Settings:

200/5 Amps: set the Ct-n value as 200, Ct-S value as 1.

800/5Amps: 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 345, Pt-d value as 69, Pt-S value as 1000.

Refer to the EM-3000 Series Meter Installation and Operation Manual (LIT-12011874) for important

product application information. Also refer to the manual for additional wiring options and program-

ming information. The manual is on the enclosed CD.

MENU ENTER

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