BasicLine BL 520, DIN Rail Temperature Transmitter
- Compatible with Pt100, Pt1000, and thermocouples (J, K)
- Automatic recognition of 2-, 3-, or 4-wire RTD connections
- Output options: 0(4)–20 mA, 0–10 V, 0–5 V
- 6 mm slim modular housing, DIN-rail mounting
- Galvanic 3-port isolation between input, output, and power supply
- High measurement accuracy with innovative circuit design
- CE compliant and UL approved
The BL 520 is a compact temperature transmitter designed for DIN-rail installation in industrial environments. It supports both resistance thermometers (Pt100, Pt1000) and thermocouples (J and K), covering a wide measurement range suitable for process and machine monitoring. The device automatically identifies 2-, 3-, or 4-wire RTD connections, minimizing setup errors.
Outputs are selectable between current (0–20 mA, 4–20 mA) and voltage (0–5 V, 0–10 V) signals, making the transmitter adaptable to different control systems. With a fast measuring rate of approximately three readings per second, the BL 520 ensures responsive performance.
Its slim 6 mm DIN-rail housing conserves valuable panel space, while the 3-port galvanic isolation between input, output, and power supply guarantees safe and interference-free operation. This makes the BL 520 well suited for demanding applications where accuracy, reliability, and compact design are required.
| Input Type | Thermocouple |
| # of Inputs | 1 |
| Output Type | 0 - 5 V DC |
| 0 - 10 V DC | |
| 0 - 20 mA | |
| 4 - 20 mA | |
| Max Bandwidth | 3 Hz |
| Isolation | Yes |
| Supply Power | 24 V DC |
| IP Rating | IP 20 |
| Min Temperature | 0°C |
| Max Temperature | 55°C |
Applications:
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Process and industrial automation
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Machine and equipment temperature monitoring
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Energy systems and power distribution
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HVAC and building control systems
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Test benches and laboratory setups
BL-520-Temperature Transmitter Datasheet |
- Universal input ranges: 0–20 mA, 4–20 mA, 0–10 V (calibrated switching)
- Matching output ranges: 0–20 mA, 4–20 mA, 0–10 V
- Galvanic 3-port isolation (input/output/power supply), 1.5 kV test voltage
- Cutoff frequency > 100 Hz
- Gain error < 0.3 % full scale
- Power supply: 24 V DC or 100–230 V AC (48–62 Hz)
- Slim DIN-rail housing, 12.5 mm width
| Input Type | 0 - 10 V DC, 0 - 20 mA, 4 - 20 mA |
| # of Inputs | 1 |
| Output Type | 0 - 10 V DC, 0 - 20 mA, 4 - 20 mA |
| Max Bandwidth | 100 Hz |
| Isolation | Yes |
| Supply Power | 24 V DC |
- Input: 0–20 mA or 4–20 mA
- Two galvanically isolated outputs (0–20 mA or 4–20 mA)
- Both outputs support up to 400 ohms load each, or 800 ohms combined in series
- Galvanic 4-port isolation (input, outputs, power supply), 1.5 kV test voltage
- Gain error < 0.3 % full scale
- Cutoff frequency > 100 Hz
- Operating temperature: 0 … +55 °C
- Slim 6.1 mm DIN-rail housing
| Input Type | 0 - 10 V AC, 0 - 20 mA |
| # of Inputs | 1 |
| Output Type | 0 - 20 mA, 4 - 20 mA |
| Max Bandwidth | 100 Hz |
| Isolation | Yes |
| Supply Power | 24 V DC |
- Linearized 2- or 3-Wire RTD Input Module
- 1500 V Transformer Isolation
- True 3-Way Isolation
- Accuracy: ± 0.08%
- DIN Rail Mounted Module
- ANSI/IEEE C37.90.1 Transient Protection
- Input Protected to 240 V AC Continuous
| Input Type | RTD |
| # of Inputs | 1 |
| Output Type | 0 - 10 V DC, 0 - 20 mA, 4 - 20 mA |
| Max Bandwidth | 3 Hz |
| Isolation | Yes |
| Supply Power | 15 - 30 V DC |
- Non-Linearized Thermocouple Input Module
- 1500 V Transformer Isolation
- True 3-Way Isolation
- Accuracy: ± 0.05%
- DIN Rail Mounted Module
- ANSI/IEEE C37.90.1 Transient Protection
- Input Protected to 240 V AC Continuous
| Input Type | Thermocouple |
| # of Inputs | 1 |
| Output Type | 0 - 10 V DC, 0 - 20 mA, 4 - 20 mA |
| Max Bandwidth | 3 Hz |
| Isolation | Yes |
| Supply Power | 15 - 30 V DC |
- Linearized Thermocouple Input Module
- 1500 V Transformer Isolation
- True 3-Way Isolation
- Accuracy: ± 0.08%
- DIN Rail Mounted Module
- ANSI/IEEE C37.90.1 Transient Protection
- Input Protected to 240 V AC Continuous
| Input Type | Thermocouple |
| # of Inputs | 1 |
| Output Type | 0 - 10 V DC, 0 - 20 mA, 4 - 20 mA |
| Max Bandwidth | 3 Hz |
| Isolation | Yes |
| Supply Power | 15 - 30 V DC |