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TC Series Thermocouple Signal Isolator
Function: Accept thermocouple signal from the field, and output standard current/voltage signal to control room, PLC, DCS And display instrument, etc.;
Features: DIN rail independent installation; input, output, power supply three ports high reliability isolation.
2. SPECIFICATION
2.1Input:
Input signal: Thermocouple signal such as B, E, J, K, N, R, S, T
Cold junction compensation: Compensation range: -25～+75℃ (1 per 20℃ error), compensation method: internal compensation
2.2output:
Output load resistance: RL ≤ 500Ω (when the output is a current signal)
RL ≥ 1KΩ (when the output is a voltage signal)
2.3 Parameters:
Power supply: DC24V, ±10%
Current consumption: ≤30mA (1 input 1 output, 24V power supply, 20mA output)
≤50mA (1 in 2 output, 24V power supply, 20mA output)
≤60mA (2 in 2 out, 24V power supply, 20mA output)
Temperature drift: 0.005% F.S./℃ (-20°C～+55℃)
Response time: ≤10mS (0-90%) (TYP)
Insulation strength: 1500V AC / 1min (between input, output and power)
Insulation resistance: ≥100MΩ (between input, output, and power)
2.4 Operating temperature range: -20 ~ +55℃
2.5 Electromagnetic compatibility: In line with GB/T 18268 (IEC61326-1)
2.6 Applicable field devices:Thermocouple.
3.OUTSIDE DIMENSION (UNIT: mm)
4.SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
1. Ordering information：
4. Main model：
4.1 Type A shell models：
channels | 4-wire,P1 | 2-wire P2 | Accuracy |
1 in 1 out | TRA11P1S-XXX | TRA11P2S-XXX | 0.1%F.S |
1 in 2 out | TRA12P1S-XXX | TRA12P2S-XXX | 0.1%F.S |
4.2 Type B shell models：
channels | 4-wire,P1 | Accuracy |
1 in 1 out | TRB11P1H-XXX | 0.2%F.S |
1 in 2 out | TRB12P1H-XXX | 0.2%F.S |
2 in 2 out | TRB22P1H-XXX | 0.2%F.S |
4.3 Type C shell models：
channels | 4-wire,P1 | Accuracy |
1 in 1 out | TRC11P1S-XXX | 0.1%F.S |
TRC11P1H-XXX | 0.2%F.S | |
1 in 2 out | TRC12P1S-XXX | 0.1%F.S |
TRC12P1H-XXX | 0.2%F.S | |
2 in 2 out | TRC22P1S-XXX | 0.1%F.S |
TRC22P1H-XXX | 0.2%F.S |
4.1 Type D shell models：
channels | 4-wire,P1 | 2-wire P2 | Accuracy |
1 in 1 out | TRD11P1S-XXX | TRD11P2S-XXX | 0.1%F.S |
TRD11P1H-XXX | TRD11P2H-XXX | 0.2%F.S |
