It's a Module Temperature Sensor for Solar PV Plants having a Modbus RTU Output. SEVEN provides a Solar Radiation Shield with a Mounting Bracket for it.
Module Temperature Sensor 3S-MT-PT1000-MB
APPLICATION
An economical module temperature sensor with Modbus RTU output for solar power plants as well as universal applications.
TECHNICAL DATA
| General Information | |
| Sensor Type | PT1000 1/3 Class B as per EN 60751, for flat surfaces (back side of solar panel) |
| Measuring Range | -20 to +80°C |
| Accuracy | ± 0.1 ⁰C |
| Power Supply | 12…34 V AC/DC |
| Sensor | Housing Plastic housing with aluminum plate, H x W x L: 12 mm x 50 mm x 50 mm |
| Dimensions | H x W x L: 44 mm x 69 mm x 75 mm |
| Protection | IP65 |
| Cable | 3 m or 5 m PUR Cable, UV and weather resistant |
| Protocol | The sensor is connected via 2-wire RS485 bus with Modbus RTU protocol |
| Electrical Connection | |
| Brown | Power (+) |
| White | Power (-) |
| Green | RS485 Data (+) / A |
| Yellow | RS485 Data (-) / B |
| Modbus Specifications | |
| Baud Rate | 1200, 2400, 9600, 19200, 38400 |
| Parity | No, even, odd |
| Stop Bit | 1, 2 (only at no parity) |
| Factory Default | 9600 Baud, 8N1, address: 1 |