The SIMATIC MV420/440 readers have industry-standard PROFINET and communication module interfaces on the device. In addition, communications interfaces such as Ethernet and RS232 are directly available on the device.

Via the specified interfaces, the following communication services can be used:

The preferred connection of the SIMATIC MV420/440 readers in the SIMATIC environment is the onboard PROFINET interface. The standard function block "Ident Profile" (FB101) is available for this interface. This type of connection is a component of the device library of SIMATIC TIA Portal, Version 13 SP1 or higher, and is compatible for the connection of communication modules.

Furthermore, the SIMATIC MV420/440 readers are compatible with the predecessor products SIMATIC VS130-2. For this purpose, the onboard PROFINET interface is released for use with function block FB79.

A separate function block called "LDrivers MV4X0" is available for the connection to SIMOTION systems. You will find additional information on the topic of LDrivers MV4x0 under:
http://support.automation.siemens.com/WW/view/en/67385474

Integration of SIMATIC MV420/MV440 with a direct connection to PROFINET or Ethernet, with/without PoE (PLC and HMI via Profinet/Ethernet; trigger via DI)

Integration of SIMATIC MV420/MV440 with connection via RS232 (PLC via RS232; trigger via DI; HMI via Ethernet)

Via the onboard communication module interface, all communication modules can be used, e.g. for the PROFIBUS connection. The communication module interface is compatible with all available communication modules both electrically and with regard to protocol. The connection via a communication module therefore makes it possible to switch between optical code readers and RFID readers, simply by reconnection. The PLC programming is performed with the aid of function blocks that are available for SIMATIC and SIMOTION.

The advantage of connecting SIMATIC MV420/440 to a communication module is that a wide variety of PLC types and fieldbus systems can be connected. Furthermore, with the communication modules, the complete range of cables of these modules is available. For details on this, see chapter "Communication modules".

Integration of SIMATIC MV420/MV440 by means of the ASM 456 communication module (PLC via Profibus; HMI via Ethernet)

Integration of SIMATIC MV420/MV440 by means of the SIMATIC RF180C communication module (PLC via Profinet; HMI via Ethernet; trigger via DI or RS422)

A frequently applied integration method is the connection of the SIMATIC MV420/440 readers to the controller (e.g. transmission of the read results) via communication modules. The onboard PROFINET interface is thus available for a separate connection to HMI or a control center.