| General Specifications |
| Model |
TF31-XXX |
TF33-XXX-X |
| Number of channels |
1CH |
3CH |
| Power supply |
AC power |
100-240VAC~50/60Hz |
| AC/DC power |
24VAC~50/60Hz, 12-24VDC |
| Allowable voltage range |
90 to 110% of rated voltage |
| Power consumption |
AC power |
Max. 8VA (100-240VAC~ 50/60Hz) |
| AC/DC power |
Max. 5VA (24VAC~ 50/60Hz), Max. 3W (12-24VDCᜡ) |
| Display method |
7 Segment LED method (red) |
| Character size (W×H) |
9.4×19.3mm |
| Input type |
NTC |
5kΩ/10kΩ |
| RTD |
DPt100Ω |
---- |
| Sampling period |
500ms |
| Display accuracy |
*At room temp. (23℃±5℃): ±1℃±1 digit *Out of room temp. range: ±2℃±1 digit |
| Control output |
Compressor (COMP) |
250VAC~5A , 30VDC 5A, 1a / 250VAC~16A, 24VDC 16A, 1c / 250VAC~ 20A 1a |
| Defrost (DEF) |
250VAC~ 10A, 24VDC 10A, 1a |
| Auxiliary (AUX) |
250VAC~ 5A, 30VDC 5A, 1a |
| Communication output |
--- |
RS485 communication output (Modbus RTU) |
| Digital input |
Contact input: ON max. 1㏀, OFF min. 100㏀ No contact input: ON residual voltage: max. 1V, OFF leakage current: max. 1mA, outflow current: 4㎂ |
| Control method |
ON/OFF control |
| Hysteresis |
0.5 to 5.0℃, 2 to 10℉ variable |
| Relay life cycle |
Compressor (COMP) |
5A 1a |
Mechanical: 5,000,000 operations, Electrical: 50,000 operations (250VAC 5A) |
| 16A 1c |
Mechanical: 20,000,000 operations, Electrical: 30,000 operations (250VAC 16A) |
| 20A 1a |
Mechanical: 10,000,000 operations, Electrical: 100,000 operations (250VAC 20A) |
| Defrost (DEF) |
Mechanical: 20,000,000 operations, Electrical: 100,000 operations (250VAC 10A) |
| Auxiliary (AUX) |
Mechanical: 5,000,000 operations, Electrical: 50,000 operations (250VAC 5A) |
| Memory retention |
Approx. 10 years (non-volatile memory method) |
| Insulation resistance |
Min. 100MΩ (at 500VDC megger) |
| Dielectric strength |
AC power |
3000VAC 50/60Hz for 1 min (between all terminals and case, power and input circuit) |
| AC/DC power |
1000VAC 50/60Hz for 1 min (between all terminals and case, power and input circuit) |
| Noise resistance |
Square-wave noise by the noise simulator (pulse width: 1㎲) ±2kV R-phase and S-phase |
| Vibration |
1.5mm amplitude at frequency of 10 to 55Hz (for 1 min) in each X, Y, Z direction for 2 hours |
| Environment |
Ambient temperature |
-10 to 50℃, storage: -20 to 60℃ |
| Ambient humidity |
35 to 85%RH, storage: 35 to 85%RH |
| Accessories |
Bracket: 2, NTC sensor (5kΩ): 1 |
| Protection structure |
IP65 (front case) |
| Approval |
CE |
| Weight※1 |
Approx. 207g (approx. 105g) |