KT Temperature Controllers Specifications
Specifications for this product appear below.
General
| Display | Specifications | |||||||
|---|---|---|---|---|---|---|---|---|
| KT2 | KT4 | KT8 | KT9 | KT7 | ||||
| Size | 48×24mm | 48×48mm | 48×96mm | 96×96mm | 22.5×75mm | |||
| Rating | Supply voltage (Must be specified) | 100 to 240V AC | ||||||
| 24V AC/DC | ||||||||
| Frequency | 50/60Hz | |||||||
| Power consumption | Approx. 5VA | Approx. 8VA | Approx. 8VA | Approx. 8VA | Approx. 6VA | |||
| Rated scale | Input type | Input range | ||||||
| Thermocouple | K | -200 to 1370°C(-320 to 2500 ° F) | ||||||
| -199.9 to 400.0°C(-199.9 to 750.0 ° F) | ||||||||
| J | -200 to 1000°C(-320 to 1800 ° F) | |||||||
| R | 0 to 1760°C(0 to 3200 ° F) | |||||||
| S | 0 to 1760°C(0 to 3200 ° F) | |||||||
| B | 0 to 1820°C(0 to 3300 ° F) | |||||||
| E | -200 to 800°C(-320 to 1500 ° F) | |||||||
| T | -199.9 to 400.0°C(-199.9 to 750.0 ° F) | |||||||
| N | -200 to 1300°C(-320 to 2300 ° F) | |||||||
| PL-II | 0 to 1390°C(0 to 2500 ° F) | |||||||
| C(W/Re5-26) | 0 to 2315°C(0 to 4200 ° F) | |||||||
| RTD | Pt100 | -200 to 850°C(-300 to 1500 ° F) | ||||||
| -199.9 to 850.0°C(199.9 to 999.9 ° F) | ||||||||
| JPt100 | -200 to 500°C(-300 to 900 ° F) | |||||||
| -199.9 to 500.0°C(-199.9 to 900.0 ° F) | ||||||||
| DC Current | 4 to 20mA DC | -1999 to 9999, -199.9 to 999.9 -19.99 to 99.99, -1.999 to 9.999 | ||||||
| 0 to 20mA DC | ||||||||
| DC Voltage | 0 to 1V DC | |||||||
| 0 to 10V DC | ||||||||
| 1 to 5V DC | ||||||||
| 0 to 5V DC | ||||||||
| · Scaling and change to the decimal point position is possible for DC current and DC voltage input. · DC current input is supported with an externally mounted 50Ω shunt resistor (sold separately). |
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| Multi-input | Thermocouple | K, J, R, S, B, E, T, N, PL-II, C (W/Re5-26) External resistor: Max. 100Ω (max. 40Ω external resistor for B input) |
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| RTD | PT100, JPt100 3-conductor system (Allowable input conductor resistance for each conductor: max. 10Ω) | |||||||
| DC current | 0 to 20 mA DC, 4 to 20 mA DC Input impedance: 50Ω (Connect 50Ω shunt resistor between input terminals.) Allowable input current: max. 50 mA (when 50Ω shunt resistor is used) |
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| DC voltage | · 0 to 1V DC Input impedance: min. 1 MΩ, Allowable input voltage: max 5 V, Allowable signal source resistance: max. 2 kΩ · 0 to 5 V DC, 1 to 5 V DC, 0 to 10 V DC Input impedance: min. 100 kΩ, Allowable input voltage: max 15 V, Allowable signal source resistance: max. 100Ω |
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| Control output (Must be specified) | Relay contact(contact material:sliver alloy) | 1a | 1a | 1a1b | 1a | |||
| 1a 3A 250V AC (Resistive load),1a 1A 250V AC (Inductive load cosØ=0.4), Electric life: 100,000 times | ||||||||
| Non-contact DC voltage | 12+20 V DC, Max. load current: 40mA (Short-circuit protected) | |||||||
| DC current | 4 to 20mADC Load resistance: Max. 550Ω | |||||||
| Alarm output 1 | Relay contact 1a 3A 250V AC (Resistiveload), 1a 1A 250V AC (Inductive load cos φ=0.4) | Relay contact 1a 3A 250VAC (Resistive load) Electric life: 100,000 times |
Open collector, Control capacity: 24V DC 0.1A(Max.) | |||||
| Alarm output 2 | Open collector 0.1A 24V DC | The same as the one of Alarm output 1 | None | |||||
| Control mode | Actions mentioned below can be selected by key operation. [Default PID] PID (with auto-tuning function), PI, PD (with manual reset function), P (with manual reset function), ON/OFF action |
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| Target temperature setting | Primary setting/secondary setting (switched by external terminal) |
- | Primary setting/secondary setting (switched by external terminal) |
- | ||||
| Program control function | 1 pattern, 9 step setting is possible (However,make function selection setting of either control with fixed set point or program control.) |
- | ||||||
| Accuracy | Thermocouple | Within ±0.2% ±1 digit of each input span or within ±2°C (4°F) whichever is greater However, R and S input; Within ±6°C (12°F) in the range of 0 to 200°C (0 to 400°F) B input 0 to 300°C (0 to 600°F): Accuracy is not guaranteed. K, J, E, and N input less than 0°C (32°F): Within ±0.4% ±1 digit of input span |
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| RTD | Within ±0.1% ±1 digit of each input span or ±1°C (2°F) whichever is greater | |||||||
| DC current and DC voltage | Within ±0.2% ±1 digit of each input span | |||||||
| Sampling period | 250ms | |||||||
| Hysteresis | Thermocouple and RTD: 0.1 to 100.0°C (°F) DC current and DC voltage: 1 to 1000 (The decimal point place follows the selection) |
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| Proportional band | For sensor input range and DC current,DC voltage 0.0 to 110.0% | Thermocouple: 0 to 1000°C (0 to 2000 ° F) RTD: 0.0 to 999.9°C (0.0 to 999.9 ° F) DC current and DC voltage: 0.0 to 100.0% | For sensor input range and DC current, DC voltage 0.0 to 110.0% | |||||
| Integral time | 0 to 1000 seconds | |||||||
| Derivative time | 0 to 300 seconds | |||||||
| Proportional cycle | 1 to 120 seconds | |||||||
| Allowable voltage fluctuation | When 100 to 240V AC; 85 to 264V AC When 24V AC/DC; 20 to 28V AC/DC | |||||||
| Insulated resistance | 500V DC 10MΩ or greater | |||||||
| Breakdown voltage | 1.5kV AC for 1 min between input terminal and power terminal, and between output terminal and power terminal | 1.5kV AC for 1min between input terminal and ground terminal, between input terminal and power terminal between power terminal and ground terminal between output terminal and ground terminal, and between output terminal and power terminal |
1.5KV AC for 1 min between input terminal and power terminal, and between output terminal and power terminal | |||||
| Malfunction vibration | 10 to 55Hz (0.35mm) to each direction (120ms sweep) for 10min. | |||||||
| Breakdown vibration | 10 to 55Hz (0.75mm) to each direction (120ms sweep) for 10min. | |||||||
| Malfunction shock | X, Y and Z each direction for 5 times 10G | |||||||
| Breakdown shock | Same as above, but 30G | |||||||
| Ambient temperature | 0 to 50°C | |||||||
| Ambient humidity | 35 to 85%RH (No condensation) | |||||||
| Mass | Approx. 120g | Approx. 130g | Approx. 240g | Approx. 370g | Approx. 150g | |||
| Waterproof | IP66 (applicable only to the front panel subject to rubber gasket employed) | None | ||||||
| Display character height | PV: 8.7mm, SV: 8.7mm (PV/SV switching display) | PV:10.2mm SV:8.8mm | PV:11.2mm SV:11.2mm | PV:18mm SV:13.2mm | PV:7.4mm SV:7.4mm | |||
| Options | Heating/Cooling control (Relay contact material:silver alloy) |
Relay contact: 1a 3A 250V DC (Resistive load) |
Non contact relay 0.3A 250V AC (Resistive load) |
Relay contact: 1a 250V AC 3A (Resistive load), 250V AC 3A (Inductive load cosφ=0.4), Electric life: 100,000 times Non-contact voltage: 12 V DC Max. 40mA (Short-circuit protected) DC current: 4 to 20mA DC Load resistance: Max. 550Ω |
None | |||
| Heater burn-out alarm output (Relay contact material:silver alloy) |
- | Heater rated current must be selected from 5A, 10A, 20A and 50A. Setting accuracy: Within 5% of heater rated current Relay contact 1a 250V AC 3A (Resistive load), Electric life: 100,000 times |
Open collector, Control capacity: 24V DC 0.1A(Max.) | |||||
| Communication function | RS-485/Modbus Protocol (Modbus is a communication protocol developed for PLCs by Modicon Inc.) Communication speed: 2400/4800/9600/19200bps |
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| Accessories | Mounting frame | Included with unit | Not available | |||||
| Terminal cover | Sold separatel | Not available | ||||||
Communication functions
| Item | Specification |
|---|---|
| Communication type | Half-duplex |
| Communication speed | Select 2400, 4800, 9600, or 19200 bps using key operation. |
| Synchronization type | Asynchronous |
| Protocol | Modbus |
| Coding | ASCII |
| Error correcting | Command re-send |
| Error detection | Parity check, check sum |
| Data structure | Start bit: 1 Data bit: 7 Parity: Even parity Stop bit: 1 |
| Interface | RS485 compliant |
| No. of nodes | 31 |
| Maximum cable length | 1,000 m (cable resistance must be within 50Ω |
Note:
1) Main setting No. 2 will not be possible on the KT8 and KT9 when the communications functions is added.
