Omron G3PX-220EH-CT03, G3PX-220EUN, G3PX-220EH-CT10, G3PX-240EH-CT03, G3PX-240EH-CT10 User Manual
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Power Controllers G3PX 67
Power Controllers
G3PX
• Refer to Warranty and Application Considerations (page 1), Safety
Precautions (page 4), and Technical and Safety Information (page 6).
• Refer to Heater Control Types and G3PX Control Methods (page 23).
■Single-phase Models
EUN Series
AC Power Controllers with Phase-control
System Allow Precise Temperature Control
Models with Base-up and Soft-start
Functions
EH Series
Phase Control System Makes It Possible to
Detect Single Heater Op en Circuit (EH
Series) and Multiple Heater Open Circuits
(EHN Series)
EC Series
Optimum Devices for Controlling Input
Power for Pure Metal Heater, and
Incorporating Overcurrent Detecting and
Single Heater Open Circuit Detecting
Functions
• OMR ON’s un ique design and carefu lly-selected materials m ade
it possible to produce a compact and lightweight Power
Controller.
• Replaceable, easy-to-install Power Device Cartridge assures
ease of maintenance.
• Detecting component failures and operating errors.
• Certified by UL and CSA.
Model Number Structure
■Model Number Legend
1. Basic Model Name
G3PX: Power Controller
2. Rated Load Power Supply Voltage
2: 100/110 VAC and 200/230 VAC
3. Rated Load Current
20: 20 A
40: 40 A
60: 60 A
4. Number of Phases
E: Single
5. Functions
UN: Simple models
H: Single heater open circuit detection function
HN: Multiple heater open circuit detection function
C: Constant-current function
6. CT Unit Type
Note: Refer to CT Unit on page 70.
1
2 3 4 5 6
G3PX-@@@@-@
68 Power Controllers G3PX
G3PX Cartridge
1. Basic Model Type
G32X: Accessory for G3PX
2. Basic Model Name
A: Power Devi ce Cartridge
3. Rated Load Current
20: 20 A
40: 40 A
60: 60 A
CT Unit
1. Basic Model Type
G32X: Accessory for G3PX
2. Basic Model Name
CT: CT Unit
3. Length of Lead Wires
03: 30 cm
10: 100 cm
4. Series
Blank: Series for single heater open circuit detection
HN: Series for multiple heater open circuit detection
C: Series for constant current
Variable Resistor
1. Basic Model Type
G32X: Accessory for G3PX
2. Basic Model Name
V3K: 3-k
Ω Variable Resistor
V2K: 2-k
Ω Variable Resistor
12
3
G32X-@@
1
2
3
4
G32X-@@@
1
2
G32X-@
Power Controllers G3PX 69
Ordering Information
■List of Models
EUN Series
Note: 1. The base-up output with a 0-mA temperature controller output (i.e. the temperature controller is OFF) differs from that with a 4-mA
temperature controller output. Refer the Characteristics data on page 73.
2. When ordering, make sure that the rated voltage is 200/230 VAC. F or a rated v oltage of 200/220 VAC, the G3PX is available.
EH Series
Note: 1. EH- and EHN-series models are provided with a CT incorporating 30- or 100-cm-long lead wires and Power Device Cartridge. When
ordering, specify the length of the lead wires by adding a code to the model number as shown below.
G3PX-2@0EH-CT03: CT with 30-cm-long lead wires
G3PX-2@0EH-CT10: CT with 100-cm-long lead wires
2. Adjusts the multiple heater open circuit detection sensitivity of EHN-series models. Enables single heater open circuit detection in control
of a maximum of five heaters.
3. When ordering, make sure that the rated voltage is 200/230 VAC. F or a rated v oltage of 200/220 VAC, the G3PX is available.
EC Series
Note: 1. EC-series models are provided with a CT Unit with lead wires (30- or 100- cm in length). When ordering, specify the length of the lead
wires by adding a code to the model number as shown below.
G3PX-2@0EC-CT03: CT with 30-cm-long lead wires
G3PX-2@0EC-CT10: CT with 100-cm-long lead wires
2. When ordering, make sure that the rated voltage is 200/230 VAC. F or a rated v oltage of 200/220 VAC, the G3PX is available.
Phase Applicable load Level indicator Base-up function
(See note 1.)
Soft-start time Carry
current
Rated voltage Model
Single Resistive load
Heater
Yes Yes Approx. 0.5 to 10 s 20 A 100/110 VAC
200/230 VAC
(See note 2.)
G3PX-220EUN
40 A G3PX-240EUN
60 A G3PX-260EUN
Phase Applicable load Level indicator Single heater
open circuit
detection
Multiple heater
open circuit
detection
Carry
current
Rated voltage Model
(See note 1.)
Single Resistive load
Heater
Yes Yes No 20 A 100/110 VAC
200/230 VAC
(See note 3.)
G3PX-220EH-CT03
G3PX-220EH-CT10
40 A G3PX-240EH-CT03
G3PX-240EH-CT10
60 A G3PX-260EH-CT03
G3PX-260EH-CT10
Yes (See note 2.) Yes 20 A G3PX-220EHN-CT03
G3PX-220EHN-CT10
40 A G3PX-240EHN-CT03
G3PX-240EHN-CT10
60 A G3PX-260EHN-CT03
G3PX-260EHN-CT10
Phase Applicable
load
Level indicator Constant-current
function
Single heater
open circuit
detection
Carry
current
Rated voltage Model
(See note 1.)
Single Resistive load
Heater
Yes Yes Yes 20 A 100/110 VAC
200/230 VAC
(See note 2.)
G3PX-220EC-CT03
G3PX-220EC-CT10
40 A G3PX-240EC-CT03
G3PX-240EC-CT10
60 A G3PX-260EC-CT03
G3PX-260EC-CT10
70 Power Controllers G3PX
■Accessories (Order Separately)
CT Unit
Power Device Cartridge
Note: The G32X-A is a dedicated Power Device Cartridge for the G3PX.
Refer to Replacement Parts on page 81.
Specifications
■Ratings (at an Ambie nt Temperature of 25°C)
Control
Note: 1. 50/60 Hz (no selector required) (EUN Series)
Terminals 18 and 19 of EHN/EC-series models must be open when the supply frequency is 50 Hz. These terminals must be shortcircuited when the supply frequency is 60 Hz.
2. Use the G32X-V2K 2-k
Ω Variable Resistor for external main setting on EUN, EC, and EHN (G32X-V3K 3-kΩ for EN-series models).
3. Input 4 to 20 mA or 1 to 5 VDC linear input to the 4 to 20 mA current input terminal.
Output
Name Length of lead wires Solderless terminals Applicable models Model
CT Unit 30 cm Yes G3PX-2@@EH G32X-CT03
100 cm G32X-CT10
30 cm G3PX-2@@EHN G32X-CT03HN
100 cm G32X-CT10HN
30 cm G3PX-2@@EC G32X-CT03C
100 cm G32X-CT10C
Name Carry current Applicable models Model
Power De vice Cartridge 20 A G3PX-220E@@ G32X-A20
40 A G3PX-240E@@ G32X-A40
60 A G3PX-260E@@ G32X-A60
Item G3PX-
220EUN/
240EUN/
260EUN
G3PX220EH/
240EH/
260EH
G3PX220EHN/
240EHN/
260EHN
G3PX220EC/
240EC/
260EC
Rated voltage 100/110, 200/230 V AC
Frequency 50/60 Hz (See note 1.)
Input
signal for
control
External main
setting
(See note 2.)
2 k
Ω (type B, 2 W min.) 3 kΩ (type B, 2 W min.) 2 kΩ (type B, 2 W min.)
Current input 4 to 20 mA (at 1 to 5 VDC) (Input impedance: 250
Ω) (See note 3.)
Voltage ON/
OFF input
5 to 24 VDC (Input impedance: approx. 20 k
Ω)
External duty
setting
3 k
Ω (type B)
Relay output for alarm --- SPDT: 8 A at 250 VAC/30 VDC
Model Applicable load
Rated load voltage Load current Inrush current Number of phases
G3PX-220E@
G3PX-220E@N
100/110, 200/230 VAC (50/
60 Hz)
1 to 20 A (See note.) 220 A (60 Hz, 1 cycle) Single
G3PX-240E@
G3PX-240E@N
1 to 40 A (See note.) 440 A (60 Hz, 1 cycle)
G3PX-260E@
G3PX-260E@N
1 to 60 A (See note.) 440 A (60 Hz, 1 cycle)
Power Controllers G3PX 71
Note: The G3PX-2@@EHN (model with multiple heater open circuit detecting function) and G3PX-2@@EC (constant-current model) require 20%
min. of the rated current to detect a short mode failure. 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.
■Characteristics
EU/EH Series
Note: 1. Duty setting does not complete to the OFF state (i.e. 10% remains).
2. The start-up time is factory-set to 1 s on the EH Series, approx. 0.5 s on the EHN and EC Series.
3. This is the initial start-up time with a 100% duty setting.
4. Detection is effective when the set current is reduced by 20% or more.
5. The minimum set value in the G3PX-220EHN is 6 A. If a lower value is required, increase the number of wiring turns around the CT.
Item G3PX-220EUN/
240EUN/260EUN
G3PX-220EH/240EH/260EH G3PX-220EHN/
240EHN/260EHN
Operating voltage range
±10%
Operating frequency
range
±1 Hz
Output voltage adjustable
range
0% to 95%
Internal duty setting
range
0% to 100% 10% to 100% (See note 1.) 0% to 100%
External duty setting
range
0% to 100% 10% to 100% (See note 1.) 0% to 100%
Start-up time
(See note 2.)
Approx. 0.5 to 10 s
(See note 3.)
Approx. 0.1 to 1 s
(See note 3.)
Approx. 0.5 to 10 s
(See note 3.)
Base-up range 0% to 90% ---
Multiple heater open cir-
cuit detection
--- 20% max. (See note 4.)
Min. phase detection --- Approx. 1/6
π
Min. phase setting --- --- Approx. 1/6 π
Min. load current for ON
error detecting
--- 1 A 30% max. of rated current
(See note 5.)
Abnormality detection
time
--- 0.1 s max. 1 s max.
Voltage drop with output ON1.6 V max. (RMS)
Leakage current 10 mA max. at 100/110 VAC, 20 mA max. at 200/230 VAC
Insulation resistance 100 M
Ω min. (at 500 VDC)
Dielectric strength 2,000 VA C, 50/60 Hz for 1 min.
Vibration resistance
Malfunction: 10 to 55 to 10 Hz, 100 m/s
2
Shock resistance
Malfunction: 300 m/s
2
Ambient temperature Operating: –25°C to 65°C (with no icing or condensation)
Storage: –10
°C to 55°C (with no icing or condensation)
Ambient humidity Operating: 45% to 85%
Weight G3PX-220EUN: approx. 1.1 kg
G3PX-240EUN: approx. 1.4 kg
G3PX-260EUN: approx. 1.7 kg
G3PX-220EH: approx. 1.1 kg
G3PX-240EH: approx. 1.4 kg
G3PX-260EH: approx. 1.7 kg
G3PX-220EHN: approx. 1.2 kg
G3PX-240EHN: approx. 1.5 kg
G3PX-260EHN: approx. 1.8 kg
72 Power Controllers G3PX
EC Series
Item G3PX-220EC G3PX-240EC G3PX-260EC
Operating voltage range
±10%
Operating frequency range
±1 Hz
Output voltage adjustable range 0% to 95%
Internal duty setting range 0% to 100%
External duty setting range 0% to 100%
Start-up time Approx. 0.5 to 10 s
Min. load current for ON error
detecting
20% max. of rated current
Current limit range 0% to 100%
Excess current detection Peak current of 110 A within
1cycle
Peak current of 220 A within
1cycle
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 1 s max.
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
Insulation resistance 100 M
Ω min. (at 500 VDC)
Dielectric strength 2,000 VAC, 50/60 Hz for 1 min.
Vibration resistance
Malfunction: 10 to 55 to 10 Hz, 100 m/s
2
Shock resistance
Malfunction: 300 m/s
2
Ambient temperature Operating: –25°C to 65°C (with no icing or condensation)
Storage: –10
°C to 55°C (with no icing or condensation)
Ambient humidity Operating: 45% to 85%
Weight G3PX-220EC: approx. 1.1 kg
G3PX-240EC: approx. 1.4 kg
G3PX-260EC: approx. 1.7 kg
Power Controllers G3PX 73
Engineering Data
The following data is for an ambient temperature of 25°C.
Output Characteristics Duty Setting
Base-up Characteristics
Load Current vs. Ambient Temperature
100%
60%
40%
20%
G3PX-EUN/EH/EHN Models
Output voltage (%)
Input current (mA
)
G3PX-EC Models G3PX-EUN/EH/EHN Models
Output voltage (%)
Input current (mA
)
100%
60%
40%
20%
Output voltage (%)
Input current (mA
)
G3PX-2@0EUN Models
Output voltage (%)
Input current (mA
)
Load current (A)
G3PX-220E@ Models
Ambient temperature (°C)
G3PX-240E@ Models G3PX-260E@ Models
Ambient temperature (°C) Ambient temperature (°C)
Load current (A)
Load current (A)
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