New Product Single-phase Power Controller G3PW High-precision Control with Easy Setup Precise heater burnout detection. Set value and present value monitoring with indicators. Phase control or optimum cycle control. RS-485 communications to set manipulated variables and monitor load current. Total run time monitoring. Output modes for phase control: proportional to phase angle, proportional to voltage, proportional to square voltage, and constant-current control. Application with various loads: constant load resistance, variable load resistance. For the most recent information on models that have been certified for UL, and IEC/EN (TV) certified. safety standards, refer to your OMRON website. Model Number Structure Model Number Legend G3PW-A2 E - - 1324 56 7 8 1. Basic model 4. Maximum rated current 7. Control terminal block G3PW: Power Controller 20: 20 A C: Screwless clamp terminal block 2. Degree of protection 45: 45 A S: Terminal block with small slotted screws A: Panel-mounting/Closed wallmounting 60: 60 A 8.RS-485 communications 3. Voltage class 5. Power supply type Blank: Communications not supported. 2: 100 to 240 VAC E: Single-phase power supply FLK: Communications supported. 6. Current control U: Standard Model (no constant-current control) C: Constant-current Model Ordering Information List of Models Heater burn- Communica- Number of phases Control terminal block Type Capacity Model number out detection tions 20 A G3PW-A220EU-C Standard 45 A No No G3PW-A245EU-C 60 A G3PW-A260EU-C Screwless clamp termi- nal block 20 A G3PW-A220EC-C-FLK Constant 45 A Yes Yes G3PW-A245EC-C-FLK current 60 A G3PW-A260EC-C-FLK 100 to Single-phase 240 VAC 20 A G3PW-A220EU-S Standard 45 A No No G3PW-A245EU-S 60 A G3PW-A260EU-S Terminal block with small slotted screws 20 A G3PW-A220EC-S-FLK Constant 45 A Yes Yes G3PW-A245EC-S-FLK current 60 A G3PW-A260EC-S-FLK Accessories (Order Separately) Name Resistive value Display Model External Variable 2 k 202 G32X-V2K Resistor 1G3PW Ratings/Specifications Model Standard Models Constant-current Models Item G3PW-A2 EU- G3PW-A2 EC- -FLK Analog input: Phase control or optimum cycle control Control method Voltage ON/OFF input: ON/OFF control Phase control: Linear (resistive) load, transformer primary-side control (flux density: 1.25 T max.) Maximum load capacity Optimum cycle control: Linear (resistive) load (Transformer primaryside control is not supported.) Proportional to phase angle, proportional to square Analog in- Proportional to phase angle, proportional to square Phase control voltage, proportional to voltage, constant-current put voltage, proportional to voltage control Output mode Optimum cycle control Optimum cycle control (Output is switched to 100% or 0% each half cycle.) Voltage ON/ ON/OFF control Proportional to voltage control OFF input Phase Single Rated voltage 100 to 240 VAC Operating voltage range 15% to +10% Power supply frequency 50/60 Hz Power supply frequency fluctuation 3 Hz Power consumption 5 VA max. (Control power D-E) -A220E 1 to 20 A Load current range -A245E 1 to 45 A -A260E 1 to 60 A -A220E 220 A (60 Hz, 1 cycle) Inrush current resis- -A245E 440 A (60 Hz, 1 cycle) tance -A260E 440 A (60 Hz, 1 cycle) 2 -A220E 400A s (1 cycle) 2 2 I t -A245E 1,600A s (1 cycle) 2 -A260E 1,600A s (1 cycle) Output voltage adjustable range 0% to 98% Analog input 4 to 20 mA DC (input impedance: 100 ) or 1 to 5 VDC (input impedance: 30.1 k) Voltage ON/OFF Input 5 VDC (input impedance: 30.1 k) Input signal for con- trol External main setting Specified Variable Resistor: G32X-V2K (2 k, 2 W) External duty setting Specified Variable Resistor: G32X-V2K (2 k, 2 W) Main setting 0.0% to 100% Base-up value 0.0% to 100% (Default: 0.0%) Output upper limit: 0.0% to 100% (Default: 100%) Output value setting Upper/lower limits Output lower limit: 0.0% to 100% (Default: 0.0%) range Duty setting = Internal duty setting x External duty setting Duty setting Internal duty setting range (set using front-panel keys or communications): 0% to 100% (Default: 100%) External duty setting range (set using external variable resistor): 0% to 100% (Default: 100%) 0.0 to 99.9 s (Default: 0.5 s) Soft-start up time and soft-start down time Either phase control or optimum cycle control can be used. Constant current --- Current fluctuation: 2% FS 0.0 to 66.0 A (Default: 0.0 = OFF) Load current upper limit --- Overcurrent detection time: 500 ms max. Current transformer (CT) --- Built-in Current detection accuracy --- 10% FS of rated current Current detection Minimum detected load cur- --- 1 A rent According to heater resistance (with heater resistance teaching and Heater Burnout Threshold parameter) Note: The accuracy of heater burnout detection will Detection method --- be lower for heaters for which the resistance significantly changes depending on the temperature. Setting range for heater --- 1% to 100% (Default: 100%) burnout detection 10% FS at rated current Heater burnout alarm Burnout detection accuracy --- (Not applicable to loads with variable resistance.) Detects a burnout at or above the specified output Burnout detection output --- value. lower limit 0.0% to 100% (Default: 0.0%) Number of alarms for heater --- 0 to 999 (Default: 150) burnout detection Multiple heater burnout Burnout of 1 of 10 heater elements can be detected --- detections (at the rated current). 2 event inputs Event input 1: The function of the event input can be changed with a parameter setting in the initial setting level. The event input can be used for one of the following functions. Number of event inputs Switching the main setting between automatic and manual operation. Switching between phase control and optimum cycle control. Event input 2: Alarm reset Event inputs Contact input conditions ON: 1 k max., OFF: 100 k min. Non-contact input condi- ON residual voltage: 1.0 V max., OFF leakage current: 0.1 mA max. tions Current flow Approx. 1.1 mA (per input) Output voltage 5 VDC 2