Model: EJ1N-TC2A-QNHB
Brand: OMRON
Modular Temperature Controller, Voltage output (for driving SSR)/Transistor output, Control points: 2 points, Screw terminal (M3), CT input 2 points, EV input 2 points
| Shape | Module type | |
|---|---|---|
| Fixed/Programmable | Fixed | |
| Power supply voltage | 24 VDC | |
| Allowable voltage variable range | 85 to 110% of the power supply voltage | |
| Power consumption | 2.5 W max. (At maximum load) | |
| Input | Number of input points | 2 point |
| Temperature input | Thermocouple: K, J, T, E, L, U, N, R, S, B, W/C, PLⅡ Platinum resistance thermometer: Pt100, JPt100 Infrared Thermosensor: 10 to 70 ℃, 60 to 120 ℃, 115 to 165 ℃, 140 to 260 ℃ |
|
| Analog input | 4 to 20 mA or 0 to 20 mA | |
| Input impedance | Current input: 150 Ω max., voltage input: 1 MΩ min. | |
| Control method | ON/OFF or 2-PID control with auto-tuning and self-tuning | |
| Control output | Number of total control output | 2 point |
| Control output 1 | Voltage output (for driving SSR) 2-points | |
| Control output 2 | Transistor output 2-points | |
| Voltage output (for driving SSR) | 2 point 12 VDC±15%, Maximum load current: 21 mA, PNP, with short-circuit protection circuit |
|
| Transistor output | 2 point Maximum operating voltage: 30 VDC Maximum load current: 100 mA |
|
| Event input | 2 point Contact input: ON: 1 kΩ max., OFF: 100 kΩ min. No-contact input: ON: Residual voltage 1.5 V max., OFF: Leakage current 0.1 mA max. Short-circuit current: Approx. 4 mA per point |
|
| Sampling period | 250 ms | |
| Hysteresis | 0.1 to 999.9 EU (in units of 0.1 EU) | |
| Proportional band | 0.1 to 999.9 EU (in units of 0.1 EU) | |
| Integral time | 0 to 3999 s (in units of 1 s) | |
| Derivative time | 0.0 to 999.9 s (in units of 0.1 s) | |
| Control period | 0.5 s or 1 to 99 s (in units of 1 s) | |
| Manual reset value | 0.0 to 100.0% (in units of 0.1%) | |
| Insulation resistance | 20 MΩ min. (at 500 VDC) | |
| Dielectric strength | 600 VAC 50/60 Hz for 1 min (Between current-carrying terminals of different polarity) | |
| Vibration resistance | Malfunction: 10 to 55 Hz, 20 m/s2 for 2 h each in X, Y, and Z directions | |
| Shock resistance | Malfunction: 150 m/s2, in each 6 directions 3 times | |
| Ambient temperature (Operating) | -10 to 55 ℃ (with no freezing or condensation) For 3-year warranty: -10 to 50 ℃ (with no freezing or condensation) |
|
| Ambient temperature (Storage) | -25 to 65 ℃ (with no freezing or condensation) | |
| Ambient humidity (Operating) | 25 to 85 % (with no freezing or condensation) | |
| Degree of protection | Rear case: IP20, Terminal section: IP00 | |
| Memory protection | Non-volatile memory (number of writes: 100,000) | |
| Terminal type | Screw terminal (M3) | |
| Weight | Approx. 160 g | |
| Sold separately | Current Transformer (CT): E54-CT1/E54-CT3/E54-CT1L/E54-CT3L CX-Thermo Support Software: EST2-2C-MV4 USB Serial Conversion Cable: E58-CIFQ1 Connecting Cable for G3ZA: EJ1C-CBLA050 DIN Tracks: PFP-50N/PFP-100N End Unit: EJ1C-EDUA-NFLK/EJ1C-EDUC-NFLK |
|
| Indication accuracy | Thermocouple: (±0.3% PV or ±1 ℃ whichever is larger) ±1 digit max. Platinum resistance thermometer: (±0.2% PV or ±0.8 ℃ whichever is larger) ±1 digit max. Analog input: (±0.2% FS) ±1 digit max. (The indication accuracy of K thermocouples in the -200 to 1300 ℃ range, T and N thermocouples at a temperature of -100 ℃ max., and U and L thermocouples at any temperatures is ±2 ℃ ±1 digit max. K thermocouples in the -199.9 to 999.9 ℃ range is (±0.5% PV or ±1 ℃, whichever is greater) ±10 digit maximum. K thermocouples in the -100 ℃ maximum range is ±2 ℃ +±10 digit maximum. B thermocouple at a temperature of 400 ℃ maximum is not specified. R and S thermocouples at a temperature of 200 ℃ maximum is ±3 ℃ ±1 digit max. W/C thermocouples is (±0.5% PV or ±3 ℃, whichever is greater) ±1 digit max. PL II thermocouples is (±0.5% PV or ±2 ℃, whichever is greater) ±1 digit max.) |
|---|---|
| Influence of signal source resistance | Thermocouple: 0.1 ℃ (0.2 °F)/Ω max. (100 Ω max. per line) Platinum resistance thermometer: 0.1 ℃ (0.2 °F)/Ω max. (10 Ω max. per line) |
| Transmission path connection | Multipoint (RS-485) |
|---|---|
| Communications method | RS-485 (two-wire, half duplex) |
| Synchronization method | Start-stop synchronization |
| Protocol | Port A/G3ZA Connection Port: CompoWay/F, Port B: CompoWay/F, Modbus |
| Communication speed | Port A: 38400 bps (fixed) Port B: 9600, 19200, 38400, 57600, 115200 bps G3ZA Connection Port: 57600 bps (fixed) |
| Transmission code | Port A Terminal/G3ZA Connection Port: CompoWay/F: ASCII |
| Data bit length | Port A/G3ZA Connection Port: 7 bits Port B: 7 or 8 bits |
| Stop bit length | Port A/G3ZA Connection Port: 2 bits Port B: 1 or 2 bits |
| Error detection | Port A/G3ZA Connection Port: Vertical parity (even) Port B: Vertical parity (none, even, odd) Block check character (BCC) with CompoWay/F CRC-16 Modbus |
| Flow control | None |
| Retry function | None |
| Number of Units that can be connected in parallel | Port A: 64 Units (128 channels, Communications connection via port A on the End Unit) Port B: 64 Units (128 channels, Communications connection via port B on the End Unit) G3ZA Connection Port: 8 Units (Communications connection via G3ZA port on the Basic Unit) |
| Communications response send delay | Port A: 1 to 99 ms (Default: 1 ms) Port B: 0 to 99 ms (Default: 5 ms) |
| CT input (for heater current detection) | 2 points |
|---|---|
| Max. heater current | 100 A AC |
| Input current indication accuracy | (±5.0 A) ±1 digit max. |
| Heater burnout alarm setting range | 0.1 to 99.9 A (in units of 0.1 A) 0.0 A: Heater burnout alarm output turned OFF 100.0 A: Heater burnout alarm turned ON Minimum detection ON time: 100 ms |
| SSR failure detector alarm setting range | 0.1 to 99.9 A (in units of 0.1 A) 0.0 A: SSR failure alarm turned ON 100.0 A: SSR failure alarm turned OFF Minimum detection OFF time: 100 ms |