The MDP-810 serves as a radio server and, like its predecessor MDP-310.200, can manage up to 64 remote radio stations of types RTU-810 (I/O radio module), TRM-810 (serial radio modem), SS20F (solar radio station), and LIO (local I/O expansion modules). In addition to these (time-slot) radio devices, the GSM/LTE modules SS20G and GMO-81 can also be queried by the MDP-810.
The querying of remote radio stations occurs either continuously in continuous radio mode or cyclically in minute intervals, depending on the radio license. The substations are automatically queried, and the transmitted values are temporarily stored in data areas. This technology allows automation devices or control systems to continuously read and write to the buffered data without needing to handle the “radio management.”
In the GSM/LTE network, remote stations establish an IP connection to the radio server and are then “online.” The data is also transferred to the MDP-810’s data areas.

New: Radio Base Stations
In the predecessor model MDP-310.200, the radio server and radio device were integrated into a single module, and radio relays had to be implemented using existing remote radio stations. With the MDP-810, the radio device is designed as a standalone unit (radio base station) connected to the MDP via Ethernet. Up to eight of these base stations can now be operated remotely via Ethernet, simplifying radio network planning and minimizing delays associated with radio relay stations.

New: Redundant Radio Networks
With two MDP-810 units and two TRM-810 base stations, redundant radio networks can be established. This includes both radio routes, base stations, and MDP modules in the redundancy concept.

New: Clone Function
The MDP-810 is compatible with the MDP-310.200 and can fully replace it. With the automatic clone function, the MDP-810 can read all configuration data from the MDP-310.200 via the serial interface, making it operational within minutes.

New: Integrated Web Server
The MDP-810 features an integrated web server for configuration and programming of the module.

New: Integrated GSM/LTE Module
The MDP-810 includes an integrated GSM/LTE module that can be used as a fault annunciator.

Extended Routing
Remote radio stations can be addressed by the MDP-810 either directly or routed through other stations, with up to 31 intermediate stations used as a “relay chain.”Integrated Switching Matrix
The data from remote stations stored in the MDP-810 can be virtually “wired” with up to 300 connections. This enables automatic data exchange between stations or output to LIO (local I/O via PEM expansion modules). These values can be visualized in parallel with the control system, implement monitoring functions, or trigger alarms.

Integrated Protocol Logger
An integrated data logger records all irregularities in radio communication (e.g., station failures, drops in radio signal strength). The integrated radio monitor allows tracking of all radio traffic, facilitating easier error localization in case of issues.

New: Interfaces and Protocols
The MDP-810 is functionally compatible with the MDP-310.200 and can be used as a replacement or substitute device. Note that the AUX port is no longer available. Since this port was used solely for programming/configuring, its absence should not cause issues when replacing with the MDP-810.
The MDP module includes an Ethernet (IP) port, a COM port, and a port for PEM expansion modules. The COM interface is standardly configured as RS-232. Data from the radio system is accessed via the Modbus-RTU protocol, with 3964R or Timeout as Layer 1 options.
 

(New) For new radio networks, we recommend accessing the data blocks of remote stations via Ethernet using the Modbus/IP protocol. Since many PLCs (e.g., S7/1200 and S7/1500) already have an Ethernet port and support Modbus/IP, this is a cost-effective solution compared to a CP module.

OPC Server
An OPC server is available for accessing the MDP-810’s data blocks from Windows-based programs.

MDP-810 Central Station with TRM-810H Base Station