Technical Specifications
| Interface parameters |
| Product model |
SRR3294 |
| Bus protocol |
S-Link |
| Rated voltage of bus input power supply |
5VDC（4.5V~5.5V） |
| Rated current consumption |
75mA |
| Power consumption |
0.375W |
| Transmission rate |
6 Mbps |
| Station type |
Slave station |
| Power supply |
5VDC, powered via S-Link bus |
| General parameters |
| Specifications and dimensions |
100◊16.11◊80mm |
| Weight |
70g |
| Operating temperature |
-20℃~+60℃ |
| Storage temperature |
-40℃~+80℃ |
| Relative humidity |
95%, no condensation |
| Altitude |
≤2000m |
| Pollution level |
Level 2 |
| Protection class |
IP20 |
| Technical specifications |
| Number of channels |
4 |
| Sensor type |
Thermocouple |
RTD |
Resistance |
| Connection method |
2-wire system |
2-wire, 3-wire system |
2-wire system |
| Sensor code and range |
B： 50~1800℃C: (Reserved)[1]E：-200~1000℃J：-200~1200℃K：-200~1370℃L: (Reserved)N: (Reserved)R: (Reserved)S：-50~1690℃T: (Reserved)U: (Reserved) |
Pt100：−200~850℃Pt200：−200~850℃Pt500：−200~850℃Pt1000：−200~850℃Ni120: (Reserved)Ni100：-60~250℃Ni1000：-60~250℃Ni200: (Reserved)Ni500: (Reserved) |
15Ω~3kΩ15Ω~150Ω (Reserved)15Ω~300Ω (Reserved)15Ω~600Ω (Reserved) |
| Precision |
±0.3% @25℃ (F.S.)±0.5% @-20~60℃ (F.S.) |
±0.1% @25℃ (F.S.)±0.3% @-20~60℃ (F.S.) |
±0.1% @25℃ (F.S.)±0.3% @-20~60℃ (F.S.) |
| Sensitivity |
0.1℃ |
±0.1Ω |
| Resolution |
16-bit (int type) |
| Channel conversion time |
20ms/ch110ms/4ch |
80ms/ch330ms/4ch |
| Filtering |
Single-channel filtering, configurable (levels 0-10) |
| Disconnect detection |
Supported |
| Disconnect detection time |
2ms |
| Overvoltage protection against misconnection |
±30V |
| Noise suppression |
50Hz, 60Hz, 10Hz, no noise suppression |
| Excitation current |
<2mA |
| Input impedance |
≥10KΩ |
| Isolation method |
Digital isolation |
| Isolation withstand voltage |
500VDC |
| Channel indicator |
Green LED |
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SRR3294 | 8 Channel Temperature Measurement Module
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Indicator Description
Last modified: 2025-11-06
