I/O modules provide scalable data communication

June 17, 2019 //By Ally Winning
acceed’s EDAM-4200 series I/O modules integrate the most common I/O types in a single module.
acceed’s EDAM-4200 series I/O modules integrate the most common I/O types in a single module.

The device is intended to provide a cost-effective method of data communication to end devices in automation and building control networks. Two Ethernet interfaces allow additional modules to be added in a distributed I/O architecture. It is possible to define pairs of EDAM-4200 modules as peer-to-peer networks, allowing input values to be transferred directly to allocated output channels.

A wide range of communication standards are supported by the EDAM-4200 series modules to allow greater flexibility. These include modbus/TCP protocol for applications using Ethernet controllers or HMI/SCADA software with modbus/TCP drivers, as well as TCP/IP, UDP, ICMP and ARP.

End devices can also be daisy-chained together through the RJ45 interfaces. Automatic bypass technology is incorporated to compensate for electrical outages. This feature guarantees the automatic resumption of the network connection in 2 seconds after electricity failure.

The auto-off function transfers an output to monostable operation. Here, the output reverts to the stable status following a defined time frame until a further trigger is executed. The power on value and safe value are further functions for automatically setting outputs to a defined status, for example in connection with switch-on procedures or watchdog activities. These features allow the speedy setting up of important basic functions without a lot of programming.

The casing for the highly compact modules is suitable for top-hat rail assembly, both in the switch cabinet and for wall assembly. Status LEDs display the most important information at a glance. Screw terminals are provided for the signal connection, the voltage range is provided via an external power supply (10 to 30 VDC). For operation, an ambient temperature range from -10 to +70°C is permissible. Optical insulation is defined with 3750 Vrms.

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