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Funk-Electronic Piciorgros GmbH
RTU-810
V2.30 - Page 6 of 126
1.4
Versions TRM-810 vs. RTU-810 vs. RTU-81
The name "TRM-xxx" stands for data communication devices which are interfacing to
external equipment via serial or IP interfaces at Piciorgros on a historical basis.
The TRM-810 does have the same software platform and functions as the RTU-810
except functions which do relate to the internal digital and analog inputs and outputs.
The focus of the TRM-810 is to connect external equipment like SCADA-servers,
PLC's, RTU's etc. while the focus of the RTU-810 is to connect sensors directly to the
embedded I/O's.
Nevertheless does the RTU-810 also have the serial interfaces like a TRM-810 and can
perform all functions of the TRM-710 plus the functions around the embedded I/O.
As a conclusion the TRM-810 is the "little sister" of the RTU-810.
The RTU-81 is a radio device in a smaller DIN rail enclosure for low power
applications. It is only supporting the free ISM band frequency 433-434 MHz with a
transmit power of up to 10mW. It also has only a fixed internal I/O setup of 8 binary
inputs, 8 binary outputs and 2 analog inputs.
Apart from this, it has the same features as the RTU-810.
In this manual and from that point on we are referring generally to the name "RTU-810"
for simplicity and to describe the full feature set.
1.5
Functions and Features
The RTU-810 is a radio data communication modem. These modems allow transparent
data communication between two or more nodes. The RTU-810 conveniently combines
the functions of a controller, router, modem, and radio transceiver in a single compact
enclosure.
The RTU-810 supports standard serial and IP-based data communication protocols. It
has two serial data interfaces (RS-232 or RS-485/422) and an Ethernet (10/100
Mbits/sec) port.
The RTU-810 can also be optionally provided with built-in inputs and outputs that can
be read and set remotely using the MODBUS-RTU protocol, IEC-680870-5-101/104
and DNP3 (future option).
The RTU-810 has a rugged aluminum housing compatible with standard DIN rail
mounting. The wide power input voltage range of 12-24 VDC [+/- 20%] makes it easy
to integrate the unit into monitoring and control systems.