8-chanel analog input，Current/voltage/RTD module，Resolution 13 bits
Model no
SM331 8AI Current/Voltage/RTDArticle No
H7 331-1KF02-0AB0Description
8-chanel analog input，Current/voltage/RTD module，Resolution 13 bitsDimensions WxHxD（mm）
40 x 125 x 117| Specification parameters | Model No. | SM331 8AI Current/Voltage/RTD |
|---|---|---|
| Article No. | H7 331-1KF02-0AB0 | |
| Description | 8-chanel analog input，Current/voltage/RTD module，Resolution 13 bits | |
| Conventional | Dimensions W x H x D | 40x125x117mm |
| Power Consumption | Typical value 1W | |
| Backplane bus current | 120mA | |
| supply voltage | / | |
| Front connector | 40-pin | |
| Input Path | Standard | 8 |
| Resistive sensor | 8 | |
| 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 | 0.2mA | |
| Input type and range | ||
| Supply voltage | ±50mV, ±500mV, 0V to 10V, ±1V, ±5V, ±10V, 1V to 5V | |
| Current (4 wires) | ±20mA, 0mA to 20mA, 4mA to 20mA | |
| Current (2 wires) | / | |
| Resistor/PTC | 0kΩ to 6kΩ, 0Ω to 600Ω, PTC | |
| RTD | Pt100（standard/climatic)）, Ni100（standard/climatic）, Ni1000（standard/climatic）, LG-Ni1000（standard/climatic）, KTY83/110, KTY84/130 |
|
| Thermocouple | None | |
| Basic error limitation(operating limits at 25°C) | ||
| .Supply voltage | ± 0,3 % | |
| .Electric current | ± 0,3 % | |
| .Resistance | ± 0,3 % | |
| .Temperature | RTD standard type: ±1K, RTD climatic type: ±2 K |
|
| Temperature compensation | ||
| Internal temperature compensation | None | |
| External temperature compensation via compensation socket | None | |
| Temperature compensation of 0°C reference junction | None | |
| Interrupt/diagnosis/status information | ||
| .Overrun interrupt | None | |
| .Diagnosis interrupt | None | |
| .The diagnosis information can be readable | None | |
| Resolution | 12 bits + symbol bits | |
| Electrical isolation | ||
| Between channels | None | |
| Between channel and backplane bus | Support | |
| Conductor length | 200m; max. 50m at 50mV |
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