EL3318

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The Beckhoff EL3318 is a versatile component of the EL EtherCAT Terminal Series with a power supply via the E-bus. This terminal offers 8 inputs and a voltage measurement range of ±30/±60/±75 mV. Its temperature measurement supports types like B, C, and K thermocouples, while the unit weighs approximately 70 grams and operates between -25°C to +60°C.

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Product Description:

Beckhoff EtherCAT terminal EL3318 is a highly adjustable and elaborate part of the EL EtherCAT Terminal Series that has been especially designed for the application within the industrial automation where precise measurement is vital. The core of the EL3318 is its eight input channels that let the microcontroller read from several sensors at the same time. This feature is especially important in those cases where continuous data collection is necessary. The terminal measures voltage in the range ±30mV, ±60mV and ±75mV thus making the terminal to allow users to plug in voltage sensors that are compatible with various industrial devices as well as processes. The EL3318 is specially optimized to accept various types of thermocouple inputs such as B, C and K-type that are popular for their accuracy in high temperature readings.

The EL3318 comes with a special 2 wire connection method that makes installation easier and reduces the amount of wires needed. However, it has 16 bits of resolution, essential when it comes to data acquisition and control and monitoring, which are critical in the use of the EL3318. The EL3318 is pretty light, weighing around 70 grams and is physically small, so it can easily be incorporated into control panels and other automation systems. This preserves reliability under diverse conditions as it runs optimally under a temperature of **-25°C to +60°C.

Thus, the Beckhoff EL3318 has been designed as a universal terminal that will be particularly useful for anyone who intends to improve their measurement tools’ efficiency in terms of accuracy and ease of use. Due to the powerful build and the vast amount of functions, it can fulfill the high expectations of contemporary industries and allow users to stay in charge and oversee their processes without any issue.

Cold junction
internal and external
Connection Method
2-wire
Conversion time range
20 ms to 2.5 s
Current consumption (E‑bus)
210 mA
Default conversion time
250 ms
Filter
firmware-adjustable
Input filter limit frequency
1 kHz
Number of inputs
8
Operating temperature
-25 to +60°C
Power supply
via E‑bus
Resolution
16 bit
Resolution per digit
0.1/0.01°C or 1/2/4 µV
Storage temperature
-40 to +85°C
Supported thermocouples
B, C, E, J, K (default), L, N, R, S, T, U
Temperature measurement uncertainty
±3.1 to ±6.3°C
Voltage measurement ranges
±30, ±60, ±75 mV
Voltage measurement uncertainty
<0.096% FS at ±75 mV, 23°C
Weight
~70 g
Wire break detection
per channel

Frequently Asked Questions about EL3318:

Q: What types of thermocouples does the EL3318 support?

A: It supports thermocouple types B, C, and K.

Q: What is the voltage measurement range for the EL3318?

A: The terminal can measure voltages of ±30 mV, ±60 mV, and ±75 mV.

Q: How many input channels does the EL3318 have?

A: The EL3318 features eight input channels.

Q: What is the operating temperature range of the EL3318?

A: It operates within a temperature range of -25°C to +60°C.

Q: What type of power supply does the EL3318 use?

A: The terminal is powered via the E-bus, eliminating the need for an external power supply.


Internal Product Review

  • ‘‘This is the Beckhoff EL3318 EtherCAT terminal which is quite impressive due to the high performance it provides in voltages as well as temperature. Due to extended compatibility with various types of thermocouples, as well as a rather flexible voltage range, the device is an irreplaceable tool in many fields. Due to its lightweight structure, integrating the device with E-bus’s power supply needs is easy; its wide range of operating temperatures also means that the device will work reliably no matter the environment.’’

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