EtherCAT plug-in modules: Bus Terminals for circuit boards

The EtherCAT plug-in modules reduce the wiring work and system installation time with standard machines.

The EJ1100 EtherCAT Coupler is the link between the EtherCAT protocol at fieldbus level and the EtherCAT plug-in modules. The coupler converts the passing telegrams from Ethernet 100BASE-TX to E-bus signal representation. A module station consists of a coupler and any number of EtherCAT plug-in modules, which are automatically detected and individually displayed in the process image.

The EJ1101-0022 EtherCAT Coupler is the link between the EtherCAT protocol at fieldbus level and the EtherCAT plug-in modules. The external RJ45 sockets, ID switches and power supply plug-in modules allow a wide range of installation options. For power supply of the attached EtherCAT plug-in modules, the coupler must be combined with the external power supply plug-in modules EJ9400 (2.5 A) or EJ9404 (12 A). Power supply plug-in modules, RJ45 sockets as well as ID switches are not included in the scope of delivery.

The EJ1122 2-port EtherCAT junction can be positioned in an EtherCAT module segment anywhere between the EtherCAT plug-in modules and enables configuration of EtherCAT star topologies. A modular EtherCAT star hub can be realized by using several EJ1122 on one signal distribution board.

The EK1110-0043 EtherCAT EJ Coupler connects the compact Embedded PCs from the CX series and the attached EtherCAT Terminals with the EtherCAT plug-in modules on an application-specific circuit board (signal distribution board).

The EK1110-0044 EtherCAT EJ Coupler connects the compact Embedded PCs from the CX series and the attached EtherCAT Terminals with the EtherCAT plug-in modules on an application-specific circuit board (signal distribution board).

The EJ1008 EtherCAT plug-in module acquires binary 24 V control signals from the process level and transmits them, in an electrically isolated form, to the higher-level automation unit. The module has 8 channels that indicate their signal state via light emitting diodes.

The EJ1128 EtherCAT plug-in module acquires the binary 3.3 V / 5 V control signals from the process level and transmits them, in an electrically isolated form, to the higher-level automation unit. The module contains eight channels which indicate their signal state by means of light emitting diodes. The inputs are implemented with HCT-CMOS technology, i.e. the resulting switching thresholds allow sensors with both HC-CMOS and TTL outputs to be connected to the input. The supply voltage can be generated with the EJ9505.

The EJ1809 EtherCAT plug-in module acquires binary 24 V control signals from the process level and transmits them, in an electrically isolated form, to the higher-level automation unit. The module contains 16 channels, whose signal state is indicated by LEDs.

The EJ1819 EtherCAT plug-in module acquires binary 24 V control signals from the process level and transmits them, in an electrically isolated form, to the higher-level automation unit. The module contains 16 channels, whose signal state is indicated by LEDs.

The EJ1859 EtherCAT plug-in module combines eight digital inputs and eight digital outputs in one housing. The signal state of the channels is indicated by LEDs.

The EJ1889 digital input acquires binary 24 V control signals from the process level and transmits them, in an electrically isolated form, to the higher-level automation unit. The EtherCAT plug-in module contains 16 channels, whose signal state is indicated by LEDs.

The EJ1914 EtherCAT plug-in module is a TwinSAFE component with inputs for sensors with potential-free contacts for 24 V DC. The module has four fail-safe inputs, which are transmitted via FSoE to a TwinSAFE Logic-capable component.

The EJ1918 EtherCAT plug-in module is a TwinSAFE component with inputs for sensors with potential-free contacts for 24 V DC. The module has eight fail-safe inputs, which are transmitted via FSoE to a TwinSAFE Logic-capable component.

The EJ1957 EtherCAT plug-in module is a TwinSAFE component with inputs and outputs. The module has eight fail-safe inputs and four fail-safe outputs, which are controlled or processed via FSoE by a TwinSAFE Logic-capable component.

The EJ2008 EtherCAT plug-in module connects binary control signals from the automation device to the actuators at the process level with electrical isolation. The module has 8 channels, whose signal states are indicated by LEDs.

The EJ2128 EtherCAT plug-in module connects binary control signals from the automation device on to the actuators at the process level with electrical isolation and generates load currents with outputs that are protected against overload and short-circuit. The module contains eight channels, optionally with a rated load voltage of 3.3 V DC or 5 V DC.

The EJ2502 EtherCAT plug-in module modulates the pulse width of a binary signal and outputs it electrically isolated from the E-bus. The mark/space ratio is preset by a 16-bit value from the automation device. The output stage is protected against overload and short circuit. The module has two channels, whose signal states are indicated by LEDs.

The EJ2521-0224 EtherCAT plug-in module ist a 1-channel pulse train and outputs a digital frequency signal via two 24 V tracks (A/B). The signal is used to control motor drivers and signal receivers which are controlled by single cycles. The pulse sequence and the pulse frequency or number of pulses are specified directly via the process data. The module has a 24 V latch input for connecting a limit switch, for example, and two 24 V switch outputs (capture/compare), which can be switched depending on the counter value in the module. The LEDs indicate the active outputs and the input.

The EJ2809 EtherCAT plug-in module connects binary control signals from the automation device to the actuators at the process level with electrical isolation. The EJ2809 is protected against polarity reversal and processes load currents with outputs protected against overload and short-circuit. The module has 16 channels, whose signal states are indicated by LEDs.

The EJ2889 EtherCAT plug-in module connects binary control signals from the automation device to the actuators at the process level with electrical isolation. The EJ2889 is protected against polarity reversal and processes load currents with outputs protected against overload and short-circuit. The module has 16 channels, whose signal states are indicated by LEDs.

The EJ2914 EtherCAT plug-in module is a TwinSAFE component with outputs for actuators with 24 V DC. The module has four fail-safe outputs, which are controlled via FSoE by a TwinSAFE Logic-capable component.

The EJ2918 EtherCAT plug-in module is a TwinSAFE component with outputs for actuators with 24 V DC. The module has eight fail-safe outputs, which are controlled via FSoE by a TwinSAFE Logic-capable component.

The EJ3004 EtherCAT plug-in module processes signals in the range between -10 and +10 V. The voltage is digitized to a resolution of 12 bits, and is transmitted, electrically isolated, to the higher-level automation device. The four single ended inputs are 2-wire versions and have a common, internal ground potential. The signal state of the EJ3004 is indicated by light emitting diodes.

The EJ3048 EtherCAT plug-in module processes signals in the range between 0 and 20 mA. The current is digitized to a resolution of 12 bit, and is transmitted, electrically isolated, to the higher-level automation device. The module combines eight channels in one housing. The signal state is indicated by light emitting diodes.

The EJ3058 EtherCAT plug-in module processes signals in the range from 4 to 20 mA. The current is digitized to a resolution of 12 bit, and is transmitted, in an electrically isolated form, to the higher-level automation device. The module combines eight channels in a single housing. The signal state is indicated by light emitting diodes.

The EJ3068 EtherCAT plug-in module processes signals in the range between 0 and 10 V. The voltage is digitized with a resolution of 12 bits and is transmitted (electrically isolated) to the higher-level automation device. The module combines eight channels in one housing. The signal state is indicated by light emitting diodes.

The EJ3104 EtherCAT plug-in module processes signals in the range from -10 to +10 V. The voltage is digitized to a resolution of 16 bit, and is transmitted, electrically isolated, to the higher-level automation device. The input channels are designed as differential inputs.

The EJ3108 EtherCAT plug-in module processes signals in the range between -10 and +10 V. The voltage is digitized to a resolution of 16 bits, and is transmitted, electrically isolated, to the higher-level automation device. Of the eight input channels, six are designed as differential and two as single-ended inputs. The signal state is indicated by light emitting diodes.

The EJ3202 EtherCAT plug-in module allows resistance sensors to be connected directly. The module's circuitry can operate 2- and 3-wire sensors. A microprocessor handles linearization across the whole temperature range, which is freely selectable. The EJ3202’s standard settings are: resolution 0.1°C in the temperature range of Pt100 sensors in 3-wire connection. The signal state is indicated by light emitting diodes. Sensor malfunctions such as broken wires are indicated by error LEDs.

The EJ3214 EtherCAT plug-in module allows four resistance sensors to be connected directly. The module's circuit can operate sensors using the 2- or 3-wire technique. A microprocessor handles linearization across the whole temperature range, which is freely selectable. The EJ3214’s standard settings are: resolution 0.1°C. The signal state is indicated by light emitting diodes. Sensor malfunctions such as broken wires are indicated by error LEDs.

The EJ3255 EtherCAT plug-in module enables potentiometers to be connected directly. A stabilized power supply in the module and the ratiometric measurement of the input voltage offer the preconditions for precise measurement. On account of its high sampling rate and together with potentiometer position encoders, the compact 5-channel module represents an economical position detector.

The EJ3318 EtherCAT plug-in module allows the direct connection of eight thermocouples and is therefore particularly well suited to compact applications on the signal distribution board. The module's circuit can operate thermocouple sensors using the 2-wire technique. A microprocessor handles linearization across the whole temperature range, which is freely selectable. The error LEDs indicate a broken wire. The compensation for the cold junction is done by two RTDs (Pt1000), which can be placed anywhere on the signal distribution board. The EJ3318 can also be used for mV measurements.

The EJ4002EtherCAT plug-in module generates signals in the range between 0 and 10 V. The voltage is supplied to the process level with a resolution of 12 bits and is electrically isolated. The output channels have a common ground potential. The module combines two channels in one housing. The output stages are powered by the 24 V supply. The signal state is indicated by light emitting diodes.

The EJ4004 EtherCAT plug-in module generate signals in the range between 0 and 10 V. The voltage is supplied to the process level with a resolution of 12 bit and is electrically isolated. The output channels have a common ground potential. The module combines four channels in one housing. The output stages are powered by the 24 V supply. The signal state is indicated by light emitting diodes.

The EJ4008EtherCAT plug-in module generate signals in the range between 0 and 10 V. The voltage is supplied to the process level with a resolution of 12 bits and is electrically isolated. The output channels have a common ground potential. The module combines eight channels in one housing. The output stages are powered by the 24 V supply. The signal state is indicated by light emitting diodes.

The EJ4018 EtherCAT plug-in module generates signals in the range between 0 and 20 mA. The current is supplied to the process level with a resolution of 12 bit and is electrically isolated. The output stages are powered by the 24 V supply. The module combines eight channels in one housing.

The EJ4024 EtherCAT plug-in module generates signals in the range between 4 and 20 mA. The power is supplied to the process level with a resolution of 12 bits and is electrically isolated. Ground potential for the output channels is common with the 24 V DC supply. The output stages are powered by the 24 V supply. The signal state is indicated by light emitting diodes.

The EJ4132 EtherCAT plug-in module generates signals in the range from -10…+10 V. The voltage is supplied to the process level with a resolution of 16 bit, and is electrically isolated. The output channels have a common ground potential.

The EJ4134 EtherCAT plug-in module generates signals in the range between -10 and 10 V. The voltage is supplied to the process level with a resolution of 16 bits and is electrically isolated. The output channels have a common ground potential. The signal state is indicated by light emitting diodes.

The EtherCAT plug-in module EJ5002 is an SSI master and allows the direct connection of two absolute encoders with SSI (synchronous serial interface) via the signal distribution board. Both singleturn and multiturn encoders are supported. The 24 V supply of the encoder can be provided directly via the feed-in on the signal distribution board. The EJ9505 power supply module can be used for an optional 5 V power.

The EJ5101 EtherCAT plug-in module is an interface for the direct connection of incremental encoders with differential signals (RS422) or TTL single ended signals via the signal distribution board. Two additional 24 V digital inputs are available for storing, blocking and setting the counter status. The error message output of an encoder can be connected and evaluated via the status input of the module. The encoder can be supplied with 5 V DC directly from the EtherCAT plug-in module.

The EJ5151 EtherCAT plug-in module is an interface for connecting a 24 V incremental encoder (24 V HTL) via the signal distribution board. An additional 24 V digital input is available for storing or blocking the counter reading. Alternatively, the EJ5151 can be used as up/down counter. The 24 V supply of the encoder can be provided directly via the supply on the signal distribution board.

The EJ6002 EtherCAT plug-in module enables the connection of devices with two RS232, RS485 or RS422 interfaces. Apart from the convenient selection of the communication standard (RS232, RS485 or RS422) using the TwinCAT software, various operation modes can be set for the termination of connection cables. The devices connected to the module communicate with the automation device via the coupler. The active communication channel operates independently of the higher-level EtherCAT system in full duplex mode with 300 baud up to 256 kbaud. The serial interfaces guarantee high immunity to interference through electrically isolated signals. In conjunction with the TwinCAT Virtual Serial COM Driver, the EJ6002 can be used as a normal Windows COM interface.

The EJ6224 EtherCAT plug-in module is an IO-Link master and enables the connection of up to four IO-Link devices. IO-Link devices can be actuators, sensors or a combination of both. A point-to-point connection is used between the module and the device.

The EJ6224-0090 EtherCAT plug-in module is an IO-Link master and enables connection of up to four IO-Link devices. IO-Link devices are actuators, sensors or a combination of both. The connection between the module and the device is a point-to-point connection.

With the EJ6910, the functionality of the EL6910 as the new generation of dedicated safety controllers is also available as an EtherCAT plug-in module. The EJ6910 offers a variety of certified function blocks to enable the safe processing of Boolean values and analog values and thus to realize even more complex safety applications.

The EJ7031 EtherCAT plug-in module is designed for the direct connection of stepper motors in the low power range up to 1.5 A. The compact stepper motor output stage is accommodated in the module together with two digital inputs for limit switches. Through parameterization, the EJ7031 can be adapted to the motor to be operated and the application requirements. Particularly smooth and precise motor operation is ensured by 64-fold microstepping.

The EJ7041-0052 EtherCAT plug-in module is designed for the direct connection of stepper motors in the medium power range up to 5 A and for a voltage range of 8…48 V DC. The compact Stepper Motor output stage is accommodated in the module together with two digital inputs for limit switches. The EJ7041-0052 can be adapted to the motor to be operated and the application requirements through parameterization. Particularly smooth and precise motor operation is ensured by 64-fold microstepping.

The EJ7047 EtherCAT plug-in module is designed for the direct connection of stepper motors in the medium power range up to 5 A and for a voltage range of 8…48 V. The compact stepper motor output stage is accommodated in the module together with two digital inputs for limit switches and an encoder interface. The second input can also be configured as an output in order to enable the use of a holding brake.

The EJ7211-0010 EtherCAT plug-in module with integrated One Cable Technology (OCT) offers high servo performance in a very compact design for motors from the AM8100 up to 4.5 A (Irms). The One Cable Technology combines a motor cable and an absolute feedback system in a single cable. The integrated electronic type plate of the AM81xx motors can be read in automatically by the module to configure the motor parameters automatically. Thus, wiring and commissioning expenditure are minimized.

The EJ7211-9414 EtherCAT plug-in module with OCT, STO and TwinSAFE SC offers high servo performance in a very compact design for the AM8100 motor series up to 4.5 A (Irms). One-cable technology (OCT) combines motor cable and feedback cable for an absolute feedback system in a single cable. The integrated electronic identification plate of the AM8100 motors is read by the module for automatic configuration of the motor parameters. This reduces wiring expenditure and commissioning to a minimum.

The EJ7342 EtherCAT plug-in module enables direct operation of two DC motors. It is galvanically isolated from the E-bus. The speed or position is specified by the automation device via a 16 bit value. Connection of an incremental encoder enables a simple servo axis to be realized. The output stage is protected against overload and short circuit, the common thermal overload warning applies to both output stages together. The EJ7342 has two channels that indicate their signal state via light emitting diodes. The LEDs enable quick local diagnostics.

The EJ9001 EtherCAT plug-in module is used as a placeholder and can be plugged into unused slots on the signal distribution board. The slots reserved in such a way can be equipped with functional modules when the range of functions is extended.

The EJ9400 EtherCAT plug-in module is used in combination with the EJ1101-0022 EtherCAT Coupler to supply the E-bus with power. Data is exchanged between the coupler and the module over the E-bus. Each EtherCAT plug-in module 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 power supply plug-in module. The maximum output current is 2.5 A.

The EJ9404 EtherCAT plug-in module is used in combination with the EJ1101-0022 EtherCAT Coupler to supply the E-bus with power. Data is exchanged between the coupler and the module over the E-bus. Each EtherCAT plug-in module 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 power supply plug-in module. The maximum output current is 12 A.

The EJ9505 EtherCAT plug-in module generates an output voltage of 5 V DC from the (24 V DC) input voltage. This output voltage can be used to supply power to EtherCAT plug-in modules or external sensors. The power LEDs indicate the module's operating state; the error LED indicates short circuit or overcurrent. The input voltage and the output voltage are not electrically isolated.

The EJ9576 EtherCAT plug-in module contains high-performance capacitors for stabilizing supply voltages. The EJ9576 can be used in conjunction with the modules EJ7047, EJ7342 or EJ7211-0010. Low internal resistance and high-pulsed current capability enable good buffering in parallel with a power supply unit. Return currents are stored, particularly in the context of drive applications, thus preventing overvoltages. If the regenerative energy exceeds the capacity of the capacitors, energy can be dissipated via an external braking resistor. The corresponding threshold can be directly parameterized in the TwinCAT System Manager.