SC3077 Temperature Transmitter (loop-powered, one input one output)
Loop-powered temperature transmitter: powered via the DCS/PLC AI channel loop (12V DC～30V DC) to perform thermocouple/RTD temperature transmission, simplifying wiring.
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- Full Machine Warranty, Lifetime Maintenance
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Temperature transmitter, input thermocouple or RTD, isolated and converted to current or voltage signal, with external cold junction compensation terminals. This product is loop-powered (12V DC～30V DC), with three-port isolation between input, output and power supply, and online fault self-diagnostics; temperature range, signal type, etc. can be configured via PC or handheld programmer.
Note:Three-port isolation between input, output and power supply. Loop-powered (12V DC～30V DC, supplied by the DCS/PLC AI channel loop), permissible load RL＜[(U-12)/0.02]Ω (U is the loop voltage); input side connects thermocouple or RTD, RTD lead resistance ≤20Ω/wire, thermocouple types with external cold junction compensation terminals; output side 0/4～20mA current signal. Configurable via PC or handheld programmer. Module indicators: green power indicator, red fault signal. All terminals are hot-swappable. Refer to the module side silkscreen for specific terminal numbers.
Ordering information:
- This product is loop-powered; at ordering, confirm that the AI channel loop voltage meets 12V DC～30V DC and the load capacity.
| Parameter Name | Technical Specifications |
|---|---|
| Power supply and power consumption | |
| Power Supply | 12V DC～30V DC (loop-powered product) |
| Power consumption | ≤0.8W (24V, single channel full load output) |
| Input characteristics | |
| Input Signal | Thermocouples such as K, E, S, B, J, T, R, N; RTDs such as Pt100, Cu100, Cu50, BA1, BA2 |
| Lead resistance | ≤20Ω/wire (RTD) |
| Output and load | |
| Output Signal | Current: 0/4～20mA |
| Permissible load | Loop-powered product: RL＜[(U-12)/0.02]Ω; U is the loop voltage |
| Accuracy and response | |
| Compensation accuracy | 1℃ (compensation temperature range: -20℃ to +60℃) |
| Temperature drift | 30ppm/℃ |
| Response time | ≤500ms |
| Isolation and electromagnetic compatibility | |
| Electromagnetic compatibility | IEC 61326-3-1 |
| Dielectric strength | ≥1500V AC (between input/output/power supply) |
| Insulation resistance | ≥100MΩ (between input/output/power supply) |
| Environmental and Mechanical | |
| IP Protection | IP20 |
| Operating Temperature | -20℃～+60℃ |
| Storage Temperature | -40℃～+80℃ |
| Dimensions | 12.8mm×110mm×117mm (W×H×D) |
- Loop-powered (12V DC to 30V DC), no separate 24V supply required
- Thermocouple/RTD input, isolated conversion to 0/4 to 20mA output
- Cold junction compensation accuracy 1℃, external cold junction compensation terminals
- Permissible load RL＜[(U-12)/0.02]Ω (U is loop voltage)
- Online fault self-diagnostics, configurable via PC/handheld programmer
- DIN rail mounting, hot-swappable terminals
Temperature measurement in applications without a separate power supply
For applications where no separate 24V supply is available on site and the DCS/PLC AI channel loop supply must be used to complete temperature transmission, simplifying wiring
Need selection advice or bulk quotation?
Send us the working condition parameters (signal type, medium, range, pressure, temperature, connection method), and our engineers will provide a selection scheme and quotation within 1 working day.
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