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SM331 8AI Full Function TypeArticle No
H7 331-7KF02-0AB0Description
8-channel analog input, full function temperature measurement moduleDimensions WxHxD(mm)
40 x 125 x 117| Specification parameters | Model No. | SM331 8AI Full Function Type | 
| Article No. | H7 331-7KF02-0AB0 | |
| Description | 8-channel analog input, full function temperature measurement module,Current input with overcurrent protection,Resolution is 14 bits | 
| Conventional | Dimensions W x H x D | 40x125x117mm | 
| Power Consumption | Typical value 1W | |
| Backplane bus current | 30mA | |
| supply voltage | DC 24V | |
| Front connector | 20-pin | 
| Input Path | Standard | 8 | 
| Resistive sensor | 4 | |
| Constant current of resistive sensor | ||
| Resistance thermometer and resistance measurement 0Ω to 600Ω | 0.8mA | |
| Resistance measurement 0 to 6 kΩ, PTC, silicon temperature sensor | None | |
| Input type and range | ||
| Supply voltage | ±80mV, ±250mV  to ±500mV, ±1V, ±2.5V, ±5V, 1-5V, ±10V | |
| Current (4 wires) | ±3.2mA,±10mA,±20mA, 0mA to 20mA,4mA to 20mA | |
| Current (2 wires) | 4 mA to 20 mA | |
| Resistor/PTC | 150Ω, 300Ω, 600Ω | |
| RTD | Pt100, Ni100 | |
| Thermocouple | Type E, N, J, K, L | |
| Basic error limitation(operating limits at 25°C) | ||
| .Supply voltage | ± 0,6 % | |
| .Electric current | ± 0,5 % | |
| .Resistance | ± 0,5 % | |
| .Temperature | Pt100 /Ni100: ±0.5 %, Thermocouple: ±0.7 % | |
| Temperature compensation | ||
| Internal temperature compensation | Support | |
| External temperature compensation via compensation socket | None | |
| Temperature compensation of 0°C reference junction | Support | |
| Interrupt/diagnosis/status information | ||
| .Overrun interrupt | The channel 0 and 2 | |
| .Diagnosis interrupt | Can be programmable | |
| .The diagnosis information can be readable | Support | |
| Resolution | 13 bits + symbol bits | |
| Electrical isolation | ||
| Between channels | None | |
| Between channel and backplane bus | Support | |
| Conductor length | 200m; 50m at 80mV, with thermocouple | 

