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IE3312 | Extension Box, 4-channel analog input, temperature, thermocouple, M12

IE3312 | Extension Box, 4-channel analog input, temperature, thermocouple, M12

IE3312 | Extension Box, 4-channel analog input, temperature, thermocouple, M12

IP-Link interface
M12 I/O connection sockets
Signal status display
Labeling areas
Power supply status display:
Box supply (US)
Auxiliary voltage (UP)
Power supply feed
Power supply downstream
connection
1 | Compensation A
2 | Input +
3 | Ground
4 | Input -
5 | Shield
1 | +24 V DC US
2 | +24 V DC UP
3 | GNDS
4 | GNDP
Compensation connector
ZS2000-3712
Top view 
I/O connection 
Connector assignment 
IE3312 | Extension Box, 4-channel analog input, temperature, thermocouple, M12

IE3312 | Extension Box, 4-channel analog input, temperature, thermocouple, M12

The IE3312 analog input module permits four thermocouples to be directly connected. The module’s circuit can operate thermocouple sensors using the 2-wire technique. Linearization over the full temperature range is realized with the aid of a microprocessor. The temperature range can be selected freely. The error LEDs indicate a broken wire. Compensation for the cold junction is made through a temperature measurement in the connecting plugs. This means that standard extension leads can be connected. The IE3312 can also be used for mV measurement.

The module is quite versatile, but the default values are selected in such a way that in most cases it is not necessary to perform configuration. The input filter and associated conversion times can be set within a wide range; several data output formats may be chosen. If required, the inputs can be scaled differently. Automatic limit monitoring is also available. Parameterization may be carried out either via the fieldbus or using the KS2000 software tool through the Coupler Box configuration interface. The parameters are stored in the module. For the temperature compensation a Pt1000 element is needed. Beckhoff offers a connector with temperature compensation (ZS2000-3712).

Product status:

regular delivery

Product information

Technical dataIE3312
Number of inputs4
Connection methodM12 socket, 2-wire connection for thermocouple
Sensor typestypes J, K, L, B, E, N, R, S, T, U (default setting type K), mV measurement
Measuring rangedepending on sensor type; preset value is type K, -100…+1370°C
Resolution0.1°C per digit
Measurement error/uncertainty< ±0.5% (relative to full scale value)
Conversion timeapprox. 250 ms, configurable up to 70 ms
Nominal voltage24 V DC (-15%/+20%)
Input filter5 variations, configurable
Current consumption from US (without sensor current)40 mA
Power supply connectionfeed: 1 x M8 male socket, 4-pin, a-coded; downstream connection: 1 x M8 female socket, 4-pin, a-coded
Bit width in the process imageinput: 4 x 16 bit data (4 x 8 bit control/status optional)
Electrical isolationchannels/control voltage: 500 V, between the channels: no, control voltage/fieldbus: yes, via IP-Link
Operating/storage temperature0…+55°C/-25…+85°C
Vibration/shock resistanceconforms to EN 60068-2-6/EN 60068-2-27
EMC immunity/emissionconforms to EN 61000-6-2/EN 61000-6-4
Protect. rating/installation pos.IP65/66/67 (conforms to EN 60529)/variable
Approvals/markingsCE, UL
Housing dataExtension Box
Dimensions (W x H x D)30 mm x 126 mm x 26.5 mm
MaterialPA6 (polyamide)
Installation2 fixing holes 3.5 mm diameter for M3

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