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T303-A
SiRON
8517799000
About selection

Selection example: T303-A21 represents the ultra-thin card-type I/O series, analog quantity, input/output characteristics: 8-channel temperature module K-type thermocouple input, 0-channel temperature module output.
Input/output characteristics
| Code | Input | Output |
| 21 | 8 channels temperature module K-type thermocouple input | 0 channel temperature module output |
| 22 | 4-channel temperature module PT100 thermal resistor input | 0 channel temperature module output |
Specification
| Model number | T303-A21 | T303-A22 |
| Appearance | ![]() ![]() | ![]() ![]() |
| Numberof channels | 8 | 4 |
| Type | K type | PT100 |
| Inpu range | -200~1370℃ | -200~200℃ |
| Digital-analog correspondence | -2000~13700 | -2000~2000 |
| Weight | 140g | |
| Cable length | Max:300m | |
| Connection mode | Two-wire system | Two-wire system or three-wire system |
| Precision | 0.1℃ | |
| isolate | Optocoupler isolation 500V | |
| Power source | 24V | |
| Class of proteclion | 0.3mm²(22AWG)~1mm²(17AWG) | |
| Operating temperature | -10~55℃ | |
| Storage temperature | -25~85℃ | |
| Relative humidity | 5%to 95%no condensation | |
| Wiring | IP20 | |
| Installation mode | 35mm DIN-rail mounting | |
| Dimension | 113.4×16.1×67.5mm | |
Dimensions

Wiring diagram
