Omron G3PX EUN Series User manual

AC Power Controller G3PX

Built-in Phase-control System Allows

Precise Temperature and Load Control

HGradually applies power to the load

from 0.5 to 10 seconds

HLED indicators display power level

HControls single-phase loads from 100 to

230 VAC

HControl (coil) voltage: 5 to 24 VDC

HFront panel settings for duty cycle and

soft-start time

HModels available with current

transformer for use with heaters

Ordering Information

Important note for ordering:

Choose normally stocked products whenever possible to ensure availability that matches your schedule. Normally stocked items are

shown as shaded in the Ordering Information tables. Non-stocked items are available but may be subject to longer lead times. For the

most up-to-date information on stock status, contact your Omron representative.

JSINGLE PHASE MODELS

Omron’s Power Controllers feature accessible settings and displays to simplify setup and monitoring. The power controller’s soft-start

function gradually applies power to maximize the life of the load. All have plug-in replaceable power switching cartridges for fast servicing

so that wiring and settings are not disturbed.

Max. load current Max. inrush current (60 Hz, 1 cycle) Operating voltage Load voltage Part number

20 amps 220 amps 5-24 VDC 100-230 VAC G3PX-220EUN AC100/230

40 amps 440 amps G3PX-240EUN

60 amps 440 amps G3PX-260EUN

JSINGLE PHASE MODELS WITH CURRENT TRANSFORMER

Omron’s “EC” series Power Controllers include a current transformer ready to use in heater burnout alarm applications. Additional indica-

tors and a relay alarm output supplement the features above.

DSet current limit with convenient front panel adjuster

DShort-circuit indicator

DHeater burnout indicator

DRelay (SPDT) output for alarm is rated 8 amps, 250 VAC

DManual reset switch

DCurrent transformer with 1-meter leads

Max. load current Max. inrush current (60 Hz, 1 cycle) Operating voltage Load voltage Part number

20 amps 220 amps 5-24 VDC 100-230 VAC G3PX-220EC-CT10

40 amps 440 amps G3PX-240EC-CT10

60 amps 440 amps G3PX-260EC-CT10

G3PX

JREPLACEMENT PARTS

Description Specifications Applicable models Part number

Power device cartridge 20 A carry current G3PX-220 G32X-A20

40 A carry current G3PX-240 G32X-A40

60 A carry current G3PX-260 G32X-A60

Current transformer 1 m cable G3PX-2!!EC G32X-CT10C

0.3 m cable G3PX-2!!EC G32X-CT03C

Specifications

JRATINGS

Control

Series G3PX-!!!EUN G3PX-!!!EC

Rated voltage 100/110, 200/230 VAC; single phase 100/110, 200/220 VAC; single phase

Frequency 50/60 Hz (See Note 1)

Input signal for control External main setting 2kΩ(type B, 2 W min.)

Current input 4 to 20 mA or 1 to 5 V linear input; input impedance 250Ω(See Note 3)

Voltage ON/OFF input 5 to 24 VDC; input impedance: approx. 20 kΩ

External duty setting 3kΩ(type B)

Relay output for alarm -- -- -- SPDT, 8 A at 250 VAC/30 VDC

Note: 1. 50/60 Hz, no selector required (EUN series). Terminals 18 and 19 of “EC” series models must be open when the supply frequency is

50 Hz. These terminals must be short-circuited when the supply frequency is 60 Hz.

2. Use the 2-kΩrated G32X-V2K variable resistor for external main setting on EUN and EC series.

3. Either 4 to 20 mA or 1 to 5 VDC can be input to the 4 to 20 mA current input terminal.

Output

Series Applicable load

Load voltage range Load current (See Note) Inrush current (60 Hz, 1 cycle) Phase

G3PX-220E!! 100/110 or 200/230

1to20A 220 A Single

G3PX-240E!!

VAC, 50/60 Hz 1to40A 440 A

G3PX-260E!! 1to60A 440 A

Note: The G3PX-2!!EC requires 20% minimum of the rated current to detect a short mode failure. The EC-series models detect an open

mode failure if the load current has dropped to 80% of the rated value. A short mode failure will be detected if the current has risen to

20% of the rated value.

G3PX G3PX

JCHARACTERISTICS

Series G3PX-!!!EUN G3PX-!!!EC

Operating voltage range ±10%

Operating frequency range ±1Hz

Output voltage adjustable range 0% to 95%

Internal duty setting range 0% to 100%

External duty setting range 0% to 100%

Start--uptime(SeeNote) Approx 0.5 to 10 s with a 100% duty setting

Base-up range 0% to 90% -- -- --

Minimum load current for ON error detection -- -- -- 20% max of rated current

Current limit range -- -- -- 0 to 100%

Excess current detection -- -- -- G3PX-220EC: Peak current of 110 A within 1 cycle

G3PX-240EC: Peak current of 220 A within 1 cycle

G3PX-260EC: Peak current of 330 A within 1 cycle

Constant current -- -- -- ±3% max. with 10-time increment of load value

±3% max. with ±10% change of voltage

Abnormality detection time -- -- -- 1smax.

Voltage drop with output ON 1.6 V max. (RMS)

Leakage current 10 mA max. at 100/110 VAC;

20 mA max. at 200/230 VAC

10 mA max. at 100/110 VAC;

20 mA max. at 200/220 VAC

Insulation resistance 100 MΩmin. at 500 VDC

Dielectric strength 2000 VAC, 50/60 Hz for 1 minute

Vibration resistance 10 to 55 Hz, 10 G

Shock resistance 300 m/s2

Ambient temperature Operating: --10°Cto55°C(14°F to 131°F)with no icing

Storage: --25°Cto65°C(--13°F to 149°F) with no icing

Ambient humidity Operating: 45% to 85% RH

Weight G3PX-220EUN: approx 1.1 kg

G3PX-240EUN: approx. 1.4 kg

G3PX-260EUN: approx. 1.7 kg

G3PX-220EC: approx 1.1 kg

G3PX-240EC: approx. 1.4 kg

G3PX-260EC: approx. 1.7 kg

Note: The start-up time is factory-set to 0.5 s on the EC series.

Nomenclature

JSINGLE-FUNCTION MODEL

(EUN-SERIES MODEL)

G3PX-2j0EUN

POWER indicator

BASE-UP adjuster

DUTY adjuster

(for internal slope

setting)

TIME adjuster

(for Extended

soft-start time)

Power

Device

Cartridge

Level indicator

JCONSTANT-CURRENT MODEL

(EC-SERIES MODEL)

G3PX-2j0EC-CTjj

POWER indicator

CT Unit

CURRENT limit adjuster

(for limiting current)

TIME adjuster (for

extended soft-start

time)

Level indicator

RESET

switch

Power

Device

Cartridge

SHORT indicator

(for short-mode

failure detection)

OPEN indicator (for single

heater burnout detection)

DUTY adjuster

(for internal slope

setting)

G3PX

Operation

JERROR DETECTING FUNCTION

Wiring

Single-phase Models

All G3PX-jjjEC models incorporate terminals 11 and 12 for

the current transformer (CT Unit), 13 and 14 for the external reset

switch, and 16 and 17 for relay output as well as power/input

terminals 1 through 10.

Note: 1. Connect either the black or white lead wire of the CT

Unit to terminal 11 and the other lead wire to terminal

12. The G3PX will malfunction if you do not connect

theCTUnittotheG3PX.

2. The rated current and voltage of G3PX models when

reset are as follows:

EC-series models: 1 mA at 12 VDC

3. For more than one heater.

Load 1

Load 2

G3PX-2j0EC

Load

CT Unit

External reset

switch

CT Unit

G32X-CTjj

Relay output

(SPDT)

(See Note 1)

(See Note 2)

(See Note 3)

Load

Output

Single-phase Models

The following illustrations show the condition of the G3PX LED indi-

cators when the G3PX detects heater burnout, a short-mode failure

(ON failure of components), or overcurrent (EC-series con-

stant-current models only). The indicator and relay output signals

are reset with the internal or external reset switch provided that the

error condition has been remedied.

1. When EC-series models detect single or multiple heater

burnout, the OPEN indicator is lit and the SPDT relay output is

ON.

Note: When the G3PX detects heater burnout, the Level indicator

will be OFF regardless of the G3PX input condition. The red

OPEN indicator will be lit.

2. When EC-series models detect a short-mode failure, the

SHORT indicator is lit and the SPDT relay output is ON.

With continuous load current.

With load current shut off.

Note: When the G3PX detects a short-mode failure, all LEDs of

the Level indicator and red SHORT indicator are lit. When

you use a breaker to disconnect the load with the relay out-

put, all LEDs of the Level indicator will be OFF regardless of

the input to the G3PX.

3. When EC-series models detect an overcurrent, the Level

indicator will flash and the SPDT relay output is ON. The input

signal will be shut off.

Note: When resetting, leave power supply terminals 10 to 9 or 8

ON.

G3PX G3PX

JWIRING

Main Circuit

Single-phase Models

The following illustrations show connection examples:

Note: Use a single power supply for the G3PX and the load.

Load 1

Load 2

G3PX

Load

200/230 VAC

100/110 VAC

Setting Circuit

Analog Control

Single-phase Models

1. A Temperature Controller with 4 to 20 mA output is used to control the G3PX.

Load 1

Load 2

G3PX

4to20mA

(250 Ω*)

G3PX

(250 Ω*)

G3PX

(600 Ω*)

Temperature

Controller

Temperature

or Process

Controller

Note: Two G3PX models can be connected in series to one OMRON Temperature

Controller (with an internal impedance of 600 Ω) with a current output.

*Impedance

2. A Temperature Controller with an output of 7 to 20 mA is used with the G3PX to change the duty.

Temperature

or Process

Controller

Load 1

Load 2

G3PX

4to20mA

DUTY

G32X-V3K External Variable

Resistor (3 kΩ) for duty setting

Note: You can change the duty with the external or internal ramp adjuster.

Internal DUTY

adjuster

G3PX

ON/OFF Control

Single-phase Models

1. A Temperature Controller is used to change the duty of G3PX.

Temperature

Controller

Load 1

Load 2

G3PX

5/12/24 VDC

ON/OFF

DUTY

Internal DUTY

adjuster

G32X-V3K External

DUTY Adjuster (3 kΩ)

Note: You can change the duty with the external or internal variable resistor.

2. A Temperature Controller with a voltage output can control up to 20 G3PXs. The following voltage outputs can be used:

40 mA at 12 VDC

20 mA at 12 VDC

20 mA at 5 VDC

10 mA at 5 VDC

Connection Example

--+

G3PX

Temperature

controller

G3PX

Manual Control

Single-phase Models

Load 1

Load 2

G3PX

DUTY

1Internal DUTY

adjuster

G32X-V2K External DUTY

Adjuster

Note: Fine duty adjustment is possible

with the external or internal resistor.

Use a right DUTY adjuster (2-kΩ

type) according to the G3PX model

as follows:

G32X-V2K (2 kΩ) for EUN- and

EC-series models

G3PX G3PX

Two-position Control

Single-phase Models

Load 1

Load 2

G3PX

H(High)

L (Low) RY

G32X-V2K External DUTY

Adjuster

Note: 1. A temperature controller with relay output or a single relay can be used with the

G3PX in two-position (high-and low-position) control, in which case the relay

contact current is 30 mA at 12 VDC with the External DUTY Adjuster set to 0 Ω.

2. Use a right DUTY adjuster (2- or 3-kΩtype) according to the G3PX model as

follows: G32X-V21K (2 kΩ) for EUN- and EC-series models.

JSETTING OF BASE-UP OUTPUT (G3PX-2j0EUN SERIES)

The base-up output can be adjusted with the base-up adjuster knob. It is also possible to control the base-up output for the full scale of 4 to

20-mA input current by adjusting the duty adjuster.

JREPLACEMENT PARTS

G32X-A Power Device Cartridge

The temperature indicator will be lit in red if the power element is damaged. If the power element is damaged due to overcurrent or other rea-

sons, the power element and its peripheral parts can be replaced.

The power element and its peripheral parts can be replaced without disconnecting the wires of the G3PX.

Improve the heat radiation of the G3PX before replacing the Cartridge.

The temperature indicator will not be lit in red if the G3PX has overcurrent due to load short-circuiting or other reasons over a short time.

Appearance

G32X-A20 G32X-A40 G32X-A60

Replacement of G32X-A20 Power Device Cartridge

Use the special tool (provided) to extract the Cartridge for replace-

ment with a new one.

Extraction

Follow the procedures below to dismount the Power Device Car-

tridge from the G3PX.

1. Switch off the power.

2. Remove the terminal cover.

3. Hook the tool on the indented portions of the Power Device

Cartridge as shown in the illustration and pull up the Power

Device Cartridge vertically.

Special tool

Indented

portions

Terminal cover

G3PX

Mounting

Mount the Power Device Cartridge as follows:

1. Apply silicone grease (provided with the G32X-A) to the entire

surface of the heat sink.

2. Make sure there is no dust or pieces of wire on the heat sinks

of the G32X-A or the G3PX.

3. Insert the Cartridge into the opening of the G3PX so that the

letters on the Cartridge and those on the G3PX are in the

same direction and sides A and B are even.

4. Attach the terminal cover.

5. Switch on the power and check the G3PX to be sure it works

properly.

G32X-A40/60

The G32X-A40 and G32X-A60 are secured with screws.

Extraction

Remove the Power Device Cartridge as follows:

1. Switch off the G3PX.

2. Remove the terminal cover.

3. Be sure to turn off the G3PX and loosen the screws located in

the upper center and lower center. These screws are

connected to terminals 1 and 2.

Loosen

4. Loosen the screws on both corners.

Loosen

5. Hold the indented part of both corners to remove the

Cartridge.

Mounting

1. Apply silicone grease (provided with the G32X-A) to the entire

surface of the heat sink.

2. Make sure there is no dust or pieces of wire on the heat sinks

of the G32X-A or the G3PX.

3. Insert the Cartridge into the opening of the G3PX so that the

letters on the Cartridge and those on the G3PX are in the

same direction and sides A and B are even.

4. Tighten the screws on both corners with a tightening torque of

0.59 to 0.78 N Sm.

5. Tighten the center screws of the G3PX with a tightening

torque of 0.59 to 0.78 N Sm.

6. Attach the terminal cover.

7. Switch on the power and check the G3PX to be sure it works

properly.

G3PX G3PX

Dimensions

Unit: mm (inch)

JPOWER CONTROLLERS

G3PX-220EjSeries

G3PX-240EjSeries

Mounting Holes

Four, 4.5 dia.

or M4 holes

140±0.3

(5.51)

65±0.3

(2.56)

119 (4.68)

108

120

109.8

8.6

8.6 Two, M4 screws

Two, 4.6 dia.

holes

140±0.2

50±0.2

70 (2.76) max.

130 (5.12) max.

Two, R2.3

holes

130

150

(5.91)

max.

119 (4.68)

108

120

109.8

130 (5.12) max.

140±0.2

65±0.2

85 (3.35) max.

Two, R2.3

holes

Two, M5 screws

Two, 4.6 dia.

holes

150

(5.91)

max.

130

Four, 4.5 dia.

or M4 holes

140±0.3

(5.51)

50±0.3

(1.97)

Mounting Holes

7.6

G3PX

G3PX-260EjSeries Mounting Holes

140±0.3

(5.51)

80±0.3

(3.15)

Four 4.5-dia. or

M4 holes

114

108

120

Two, 4.6 dia.

holes

Two,

R2.3

holes

130 (5.12) max.

150

(5.91)

max.

140±0.2

Two, M6 screws

130 109.8

80±0.2

100 (3.94) max.

7.6

JCURRENT TRANSFORMERS

G32X-CT03jSeries

G32X-CT10jSeries

Mounting Holes

Note: 1. Color of the hole

EC Series: Light gray

2. The G32X-CT03jincorporates 30-cm solderless terminals and the G32X-CT10j

incorporates 100-cm solderless terminals.

50±0.2 (1.97)

Two 4.5-dia. or M4 holes

9.5 24 35

14 (0.55)

55 (2.17)

40 (1.57) 15 (0.59)

dia hole

(See Note 1)

60 (2.36) max.

(See Note 2)

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