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Apr 6, 2022

The system-integrated solution for explosion protection: PC-based control

With the principle of PC-based control technology, Beckhoff enables holistic solutions for explosion protection up to zone 0/20.

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CPX29xx, CPX39xx | Ex Control Panels

CPX29xx, CPX39xx | Ex Control Panels

The Control Panel series CPX29xx and CPX39xx offer multi-touch technology for distances of up to 100 meters for use in Zone 2/22.

CPX27xx, CPX37xx | Ex Panel PCs

CPX27xx, CPX37xx | Ex Panel PCs

The CPX27xx and CPX37xx Panel PC series for use in Zone 2/22 offer multi-touch technology and multi-core performance.

ELXxxxx | Explosion protection (Ex i)

ELXxxxx | Explosion protection (Ex i)

The EtherCAT Terminals from the ELX series with intrinsically safe inputs/outputs enable the connection of field devices up to zone 0/20.

ELX1052 | EtherCAT Terminal, 2-channel digital input, NAMUR, Ex i

ELX1052 | EtherCAT Terminal, 2-channel digital input, NAMUR, Ex i

The ELX1052 digital input terminal allows the direct connection of intrinsically safe field devices located in hazardous areas classified zone 0/20 or 1/21 and acquires their signals in compliance with IEC 60947-5-6. The sensors are supplied with a voltage of 8.2 V and return a diagnosable current signal. In this way wire breakage or short circuit can be detected in addition to the switching state. The LEDs represent the signal states or any error states.

ELX1054 | EtherCAT Terminal, 4-channel digital input, NAMUR, Ex i

ELX1054 | EtherCAT Terminal, 4-channel digital input, NAMUR, Ex i

The ELX1054 digital input terminal acquires signals from NAMUR field devices according to EN 60947-5-6. The sensors are supplied with a voltage of 8.2 V and return a diagnosable current signal. In this way, a wire breakage or short-circuit can be detected in addition to the switching state. The LEDs indicate signal or any error states, channel by channel.

ELX1058 | EtherCAT Terminal, 8-channel digital input, NAMUR, Ex i

ELX1058 | EtherCAT Terminal, 8-channel digital input, NAMUR, Ex i

The ELX1058 digital input terminal acquires signals from NAMUR field devices according to IEC 60947-5-6. The sensors are supplied with a voltage of 8.2 V and return a diagnosable current signal. In this way, a wire breakage or short circuit can be detected in addition to the switching state. The LEDs indicate signal or any error states, channel by channel.

ELX2002 | EtherCAT Terminal, 2-channel digital output, 24 V DC, 45 mA, Ex i

ELX2002 | EtherCAT Terminal, 2-channel digital output, 24 V DC, 45 mA, Ex i

The ELX2002 digital output terminal enables the direct connection of intrinsically safe actuators located in hazardous areas classified zone 0/20 or 1/21. The ELX2002 supplies an output voltage of 24 V DC and a maximum output current of 45 mA per channel, total current is 80 mA. The signal state of each channel is indicated by a light emitting diode.

ELX2008 | EtherCAT Terminal, 8-channel digital output, 24 V DC, 30 mA, Ex i

ELX2008 | EtherCAT Terminal, 8-channel digital output, 24 V DC, 30 mA, Ex i

The ELX2008 digital output terminal enables the direct connection of intrinsically safe actuators located in hazardous areas classified zone 0/20 or 1/21. The ELX2008 supplies an output voltage of 24 V DC and a maximum output current of 30 mA per channel. The signal state of each channel is indicated by a light emitting diode.

ELX2792 | EtherCAT Terminal, 2-channel solid state relay output, potential-free, Ex i

ELX2792 | EtherCAT Terminal, 2-channel solid state relay output, potential-free, Ex i

The ELX2792 output terminal has two relays, each with a changeover contact, which can be used universally to switch intrinsically safe loads up to zone 0/20. These could be, for example, solenoid valves, contactors or optical/acoustic signal devices. The ELX2792 features potential-free contacts. The signal state of each individual channel is displayed by an LED. EtherCAT Terminals from the ELX series must always be operated in conjunction with the ELX9560 power feed terminal, which generates an electrically isolated output voltage (24 V EX) from the input voltage (24 V DC) to supply the downstream ELX terminals. If a renewed feed-in should be necessary, the combination of an ELX9410 and an ELX9560 can be used so that further ELX terminals can be connected inline. The ELX terminal segment must be terminated with an ELX9012 or two ELX9410.

ELX3152 | EtherCAT Terminal, 2-channel analog input, current, 0/4…20 mA, 16 bit, single-ended, Ex i

ELX3152 | EtherCAT Terminal, 2-channel analog input, current, 0/4…20 mA, 16 bit, single-ended, Ex i

The ELX3152 analog input terminal allows the direct connection of intrinsically safe field devices located in hazardous areas classified zone 0/20 or 1/21. It supplies measuring transducers located in the field and transmits their analog measuring signals electrically isolated to the automation device. The measuring range can be switched between 0...20 mA and 4...20 mA by software. With a technical measuring range of ±107 % of the nominal range, the terminal also supports commissioning with sensor values in the limit range and evaluation according to NAMUR NE43. The error LEDs indicate an overload condition and wire breakage.

ELX3152-0090 | EtherCAT Terminal, 2-channel analog input, current, 0/4…20 mA, 16 bit, single-ended, Ex i, TwinSAFE SC

ELX3152-0090 | EtherCAT Terminal, 2-channel analog input, current, 0/4…20 mA, 16 bit, single-ended, Ex i, TwinSAFE SC

The ELX3152-0090 analog input terminal allows the direct connection of intrinsically safe field devices located in hazardous areas classified zone 0/20 or 1/21. It supplies measuring transducers located in the field and transmits their analog measuring signals electrically isolated to the automation device. The measuring range can be switched between 0...20 mA and 4...20 mA by software. With a technical measuring range of ±107 % of the nominal range, the terminal also supports commissioning with sensor values in the limit range and evaluation according to NAMUR NE43. The error LEDs indicate an overload condition and wire breakage. The error LEDs indicate an overload condition and wire breakage.

ELX3158 | EtherCAT Terminal, 8-channel analog input, current, 4…20 mA, 16 bit, single-ended, Ex i

ELX3158 | EtherCAT Terminal, 8-channel analog input, current, 4…20 mA, 16 bit, single-ended, Ex i

The ELX3158 analog EtherCAT input terminal allows the direct connection of intrinsically safe field devices located in hazardous areas classified zone 0/20 or 1/21. It supplies measuring transducers located in the field and transmits their analog measuring signals electrically isolated to the automation device. With a technical measuring range of ±107 % of the nominal range, the terminal also supports commissioning with sensor values in the limit range and evaluation according to NAMUR NE43. The error LEDs indicate an overload condition and wire breakage.

ELX3181 | EtherCAT Terminal, 1-channel analog input, current, 4…20 mA, 16 bit, single-ended, HART, Ex i

ELX3181 | EtherCAT Terminal, 1-channel analog input, current, 4…20 mA, 16 bit, single-ended, HART, Ex i

The ELX318x analog input terminal allows the direct connection of intrinsically safe HART-capable field devices located in hazardous areas classified zone 0/20 or 1/21. It supplies measuring transducers located in the field and transmits their analog measuring signals electrically isolated to the automation device. Overload and open-circuit detection are signaled by the error LEDs, furthermore LEDs inform about the status of the HART communication and signal any communication errors. The EtherCAT Terminal indicates the signal state by means of light emitting diodes.

ELX3184 | EtherCAT Terminal, 4-channel analog input, current, 4…20 mA, 16 bit, single-ended, HART, Ex i

ELX3184 | EtherCAT Terminal, 4-channel analog input, current, 4…20 mA, 16 bit, single-ended, HART, Ex i

The ELX318x analog input terminal allows the direct connection of intrinsically safe HART-capable field devices located in hazardous areas classified zone 0/20 or 1/21. It supplies measuring transducers located in the field and transmits their analog measuring signals electrically isolated to the automation device. Overload and open-circuit detection are signaled by the error LEDs, furthermore LEDs inform about the status of the HART communication and signal any communication errors. The EtherCAT Terminal indicates the signal state by means of light emitting diodes.

ELX3202 | EtherCAT Terminal, 2-channel analog input, temperature, RTD (Pt100), 16 bit, Ex i

ELX3202 | EtherCAT Terminal, 2-channel analog input, temperature, RTD (Pt100), 16 bit, Ex i

The ELX3202 analog input terminal allows the direct connection of RTDs located in hazardous areas classified zone 0/20 or 1/21. The circuitry of the ELX3202 can operate sensors with 2-, 3- and 4-wire technology. Linearization is carried out over the entire freely selectable temperature range. By default the terminal is set to Pt100 sensors with 3-wire technology. The ELX3202 terminal indicates signal state and sensor malfunctions (e.g. wire breakage) by means of LEDs.

ELX3202-0090 | EtherCAT Terminal, 2-channel analog input, temperature, RTD (Pt100), 16 bit, Ex i, TwinSAFE SC

ELX3202-0090 | EtherCAT Terminal, 2-channel analog input, temperature, RTD (Pt100), 16 bit, Ex i, TwinSAFE SC

The ELX3202-0090 analog input terminal allows the direct connection of RTDs located in hazardous areas classified zone 0/20 or 1/21. The circuitry of the ELX3202-0090 can operate sensors with 2-, 3- and 4-wire technology. Linearization is carried out over the entire freely selectable temperature range. By default the terminal is set to Pt100 sensors with 3-wire technology. The ELX3202-0090 terminal indicates signal state and sensor malfunctions (e.g. wire breakage) by means of LEDs.

ELX3204 | EtherCAT Terminal, 4-channel analog input, temperature, RTD (Pt100), 16 bit, Ex i

ELX3204 | EtherCAT Terminal, 4-channel analog input, temperature, RTD (Pt100), 16 bit, Ex i

The ELX3204 analog input terminal allows the direct connection of RTDs located in hazardous areas classified zone 0/20 or 1/21. The circuitry of the ELX3204 can operate sensors with 2-wire technology. Linearization is carried out over the entire freely selectable temperature range. By default the terminal is set to Pt100 sensors with 2-wire technology. The ELX3204 terminal indicates signal state and sensor malfunctions (e.g. wire breakage) by means of LEDs.

ELX3204-0090 | EtherCAT Terminal, 4-channel analog input, temperature, RTD (Pt100), 16 bit, Ex i, TwinSAFE SC

ELX3204-0090 | EtherCAT Terminal, 4-channel analog input, temperature, RTD (Pt100), 16 bit, Ex i, TwinSAFE SC

The ELX3204-0090 analog input terminal allows the direct connection of RTDs located in hazardous areas classified Zone 0/20 or 1/21. The circuitry of the ELX3204-0090 can operate sensors with 2-wire technology. Linearization is carried out over the entire freely selectable temperature range. By default the terminal is set to Pt100 sensors with 2-wire technology. The ELX3204-0090 terminal indicates signal state and sensor malfunctions (e.g. wire breakage) by means of LEDs.

ELX3252 | EtherCAT Terminal, 2-channel analog input, potentiometer, 300 Ω…40 kΩ, 16 bit, Ex i

ELX3252 | EtherCAT Terminal, 2-channel analog input, potentiometer, 300 Ω…40 kΩ, 16 bit, Ex i

The ELX3252 EtherCAT Terminal enables potentiometers located in hazardous areas classified Zone 0/20 or 1/21 to be connected directly. A stabilized power supply via power contacts of the ELX9560 power supply terminal and the ratiometric measurement of the input voltage offer the preconditions for precise measurement. Potentiometers from 300 Ω to 40 kΩ can be connected to the inputs and the maximum resistance value of the used potentiometer can be stored in the terminal.

ELX3312 | EtherCAT Terminal, 2-channel analog input, temperature, thermocouple, 16 bit, Ex i

ELX3312 | EtherCAT Terminal, 2-channel analog input, temperature, thermocouple, 16 bit, Ex i

The ELX3312 analog input terminals allow the direct connection of thermocouples located in hazardous areas classified Zone 0/20 or 1/21. The circuitry of the ELX3312 can operate sensors with 2-wire technology. Linearization is possible over the entire freely selectable temperature range. The error LEDs indicate a broken wire. Compensation for the cold junction is achieved through internal temperature measurement. Voltage measurement in the mV range is also possible with the ELX3312.

ELX3312-0090 | EtherCAT Terminal, 2-channel analog input, temperature, thermocouple, 16 bit, Ex i, TwinSAFE SC

ELX3312-0090 | EtherCAT Terminal, 2-channel analog input, temperature, thermocouple, 16 bit, Ex i, TwinSAFE SC

The ELX3312 analog input terminals allows the direct connection of thermocouples located in hazardous areas classified Zone 0/20 or 1/21. The circuitry of the ELX3312 can operate sensors with 2-wire technology. Linearization is possible over the entire freely selectable temperature range. The error LEDs indicate a broken wire. Compensation for the cold junction is achieved through internal temperature measurement. Millivolt measurement is also possible with ELX3312.

ELX3314 | EtherCAT Terminal, 4-channel analog input, temperature, thermocouple, 16 bit, Ex i

ELX3314 | EtherCAT Terminal, 4-channel analog input, temperature, thermocouple, 16 bit, Ex i

The ELX3314 analog input terminals allows the direct connection of thermocouples located in hazardous areas classified Zone 0/20 or 1/21. The circuitry of the ELX3314 can operate sensors with 2-wire technology. Linearization is possible over the entire freely selectable temperature range. The error LEDs indicate a broken wire. Compensation for the cold junction is achieved through internal temperature measurement. Millivolt measurement is also possible with ELX3314.

ELX3314-0090 | EtherCAT Terminal, 4-channel analog input, temperature, thermocouple, 16 bit, Ex i, TwinSAFE SC

ELX3314-0090 | EtherCAT Terminal, 4-channel analog input, temperature, thermocouple, 16 bit, Ex i, TwinSAFE SC

The ELX3314-0090 analog input terminals allows the direct connection of thermocouples located in hazardous areas classified Zone 0/20 or 1/21. The circuitry of the ELX3314-0090 can operate sensors with 2-wire technology. Linearization is possible over the entire freely selectable temperature range. The error LEDs indicate a broken wire. Compensation for the cold junction is achieved through internal temperature measurement. Millivolt measurement is also possible with ELX3314-0090.

ELX3351 | EtherCAT Terminal, 1-channel analog input, measuring bridge, full bridge, 24 bit, Ex i

ELX3351 | EtherCAT Terminal, 1-channel analog input, measuring bridge, full bridge, 24 bit, Ex i

The analog ELX3351 input terminal enables direct connection of a resistor bridge or load cell from hazardous areas, Zone 0/20 and 1/21. The terminal can be connected in 4- or 6-wire technology. The ratio between the bridge voltage UD and the supply voltage UREF is determined in 24-bit resolution, and the load value is calculated as a process value. Apart from automatic self-calibration (can be deactivated), additional functions such as Tara and Freeze as well as dynamic filters are integrated. The ELX3351 is therefore functionally comparable to the EL3356.

ELX3351-0090 | EtherCAT Terminal, 1-channel analog input, measuring bridge, full bridge, 24 bit, Ex i, TwinSAFE SC

ELX3351-0090 | EtherCAT Terminal, 1-channel analog input, measuring bridge, full bridge, 24 bit, Ex i, TwinSAFE SC

The analog ELX3351-0090 input terminal enables direct connection of a resistor bridge or load cell from hazardous areas, zone 0/20 and 1/21. The terminal can be connected in 4- or 6-wire technology. The ratio between the bridge voltage UD and the supply voltage UR is determined in 16-bit resolution, and the load value is calculated as a process value. Apart from automatic self-calibration (can be deactivated), additional functions such as Tara and Freeze as well as dynamic filters are integrated.

ELX4154 | EtherCAT Terminal, 4-channel analog output, current, 0/4…20 mA, 16 bit, single-ended, Ex i

ELX4154 | EtherCAT Terminal, 4-channel analog output, current, 0/4…20 mA, 16 bit, single-ended, Ex i

The ELX4154 analog output terminal is used for the direct connection of intrinsically safe field devices located in hazardous areas classified zone 0/20 or 1/21. It can be used, for example, to control intrinsically safe controllers for control valves. The output current range can be switched between 0…20 mA and 4…20 mA.

ELX4181 | EtherCAT Terminal, 1-channel analog output, current, 0/4…20 mA, 16 bit, single-ended, HART, Ex i

ELX4181 | EtherCAT Terminal, 1-channel analog output, current, 0/4…20 mA, 16 bit, single-ended, HART, Ex i

The ELX4181 analog EtherCAT output terminal allows the direct connection of intrinsically safe HART-capable field devices located in hazardous areas classified zone 0/20 or 1/21. For example, the ELX4181 can be used to control intrinsically safe controllers for control valves. The status and error LEDs provide information on the status of the HART communication and indicate any communication errors.

ELX5151 | EtherCAT Terminal, 1-channel encoder interface, incremental, NAMUR, Ex i

ELX5151 | EtherCAT Terminal, 1-channel encoder interface, incremental, NAMUR, Ex i

The ELX5151 EtherCAT Terminal allows the direct connection of an intrinsically safe incremental encoder from zone 0/20 and 1/21 hazardous areas. The terminal supplies the encoder with 8.2 V DC and evaluates a diagnostic-capable NAMUR signal according to IEC 60947-5-6. In this way, a wire breakage or short circuit can be detected in addition to the switching state. The ELX5151 can also be used as an up/down counter and allows switching between 16- and 32-bit counting.

ELX5151-0090 | EtherCAT Terminal, 1-channel encoder interface, incremental, NAMUR, Ex i, TwinSAFE SC

ELX5151-0090 | EtherCAT Terminal, 1-channel encoder interface, incremental, NAMUR, Ex i, TwinSAFE SC

The ELX5151-0090 EtherCAT Terminal allows the direct connection of an intrinsically safe incremental encoder from zone 0/20 and 1/21 hazardous areas. The terminal supplies the encoder with 8.2 V DC and evaluates a diagnostic-capable NAMUR signal according to IEC 60947-5-6. In this way, a wire breakage or short circuit can be detected in addition to the switching state. The ELX5151-0090 can also be used as an up/down counter and allows switching between 16- and 32-bit counting.

ELX9012 | Bus end cover for ELX, blue

ELX9012 | Bus end cover for ELX, blue

The ELX9012 is used to terminate a ELX terminal segment and covers the power contacts according to IEC 60079-11, in addition to the E-bus contacts. It is color-matched to the ELX terminal series.

ELX9410 | Power supply terminal for E-bus refresh, with diagnostics

ELX9410 | Power supply terminal for E-bus refresh, with diagnostics

The ELX9410 power supply terminal is used to refresh the E-bus. Data is exchanged between EtherCAT Coupler and EtherCAT Terminals over the E-bus. Each terminal draws a certain amount of current from the E-bus (see “current consumption E-bus” in the technical data). This current is fed into the E-bus by the corresponding coupler’s power supply unit. In configurations with a large number of ELX terminals it is possible to use the ELX9410 in order to increase the E-bus power supply to 1 A. The ELX9410 has a diagnostics function, which is indicated by LEDs and on the process image.

Process industry

Process industry

PC-based control, the universal automation and process technology solution