Beckhoff ED2504 | EtherCAT Terminal, 4-channel PWM output

The ED2504 EtherCAT Terminal offers up to four digital outputs,

which are output as pulse-width modulated signals. The output

signal can be modulated in both pulse width and frequency in

the range of 1 Hz to 64 kHz. The output level is determined by

the external voltage to be fed in and can be freely selected in

the range from 5 V DC to 24 V DC.

The outputs are short circuit and overcurrent protected.

Each channel also has a digital input with configurable filter times.

The switching characteristic can be selected as either positive

or ground switching (PNP/NPN) for each channel.

The input can be used as a digital input or to enable the PWM

output. If the PWM signal is used to control the fan, for example,

the additional input can be used for the measurement of rotary

speed.

The ED series EtherCAT Terminals have push-in connection

technology which makes wiring easy and tool-free.

The EL2212 digital output terminal connects the binary control signals

from the automation device on to the actuators at the process level

with electrical isolation. The multi-timestamp features allow each

EtherCAT cycle to capture as many events per channel as were

preloaded in the internal buffer.

The EL2212 supports the particularly fast switching of inductive loads,

such as valves or relays. 24 to 72 V DC supplies are connected to the

power contacts and passed through to the load when switched on.

After an adjustable waiting period the terminal begins to control

channel-wise the current in order to protect the load.

The switching process can be positioned exactly using the timestamp.

The switch-off process is also accelerated considerably by the pole 

reversal of the voltage. The two channels are independently controllable.

The EL2202/EL2202-0100 digital output terminal connects the

binary control signals from the automation device on to the

actuators at the process level with electrical isolation.

This terminal benefits from very small output delay and is therefore

suitable for signals requiring particularly fast output.

The EtherCAT Terminal has a push-pull output that can be actively

switched to 24 V, 0 V or high-impedance.

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