SM331 8AI Full-featured

Model no： SM331 8AI

Article No： H7 331-7KF02-0AB0

Description： 8-channel analog input, full-featured temperature measurement module; External mechanical range switch; Current input with overcurrent protection; Resolution 14 bits

Dimensions WxHxD（mm）： 40 x 125 x 117

I/O：

Model number

SM331 8AI Full-featured

Article No.

H7 331-7KF02-0AB0

Product description

8-channel analog input, full-featured temperature measurement module; External mechanical range switch; Current input with overcurrent protection; Resolution 14 bits

Conventional norm	Dimensions W x H x D	40 x 125 x 117
	Power dissipation	Typical value 1 W
	Backplane bus current	30mA
	Supply voltage	DC24V
	Front connector	20-pin front connector

Input path	Standard	8
	Resistive sensor	4

Constant current of resistive sensor	Resistance thermometers and resistance measurements from 0 Ω to 600 Ω	0.8mA
	esistance measurement 0 to 6 kΩ, PTC, silicon temperature sensor	non

Input type and range	voltage	±80mV、±250mV ~±500 mV、± 1V、±2.5V、±5V、1-5V、±10V
	current(4 wires)	±3.2mA、±10mA、±20mA，0mAto 20mA、4mAto20mA
	current（2-wire）	4 mA to20 mA
	Resistor /PTC	150Ω、300Ω、600Ω
	Hot resistance	Pt100，Ni100
	Thermocouple	type E、 N、 J、 K、 L

Basic error limitation（Operating limit at 25°C）	voltage	± 0.6 %
	current	± 0.5 %
	Resistance	± 0.5 %
	Temperature	Pt100/Ni100：±0.5 %、thermocouple：±0.7 %

Temperature compensation	Internal temperature compensation	have
	External temperature compensation by compensating the socket	non
	Temperature compensation of 0°C reference contact	have

Short/diagnostic /status information	Overrun interrupt	channels0 ＆2
	Diagnostic interrupt	programmable
	The diagnostic information is readable	have
	Internal resolution	13+ symbol bits