auto maskin Marine Pro 400 Series User manual

Publication P/N 1500215
Installation Manual
400 Series / 200 Series
RIO 410 Remote I/O Unit, P/N 1006453
RIO 210 Remote I/O Unit, P/N 1006462

1 Preface
1.1 About this Manual
This manual has been published primarily for professionals and qualified personnel.
The user of this material is assumed to have basic knowledge in marine systems, and must
be able to carry out related electrical work.
Work on the low-voltage circuit should only be carried out by qualified and
experienced personnel.
Installation or work on the shore power equipment must only be carried out by
electricians authorized to work with such installations.
1.2 Responsibilities
It is the sole responsibility of the installer to ensure that the installation work is
carried out in a satisfactory manner, that it is operationally in good order, that the
approved material and accessories are used and that the installation meets all
applicable rules and regulations.
Auto-Maskin continuously upgrades its products and reserves the right to make
changes and improvements without prior notice.
All information in this manual is based upon information at the time of printing. For updated
information, please contact your local distributor.
The crossed-out wheeled bin symbol indicates that the item should be
disposed of separately. The item should be handed in for recycling in
accordance with local environmental regulations for waste disposal.
By separating a marked item, you will help reduce the volume of waste
sent to incinerators or land-fill and minimize any potential negative impact
on human health and the environment.
1.3 Revisions
Installation Manual revision: May 2020
2 Ordering Information
The Marine Pro covers a wide range of compatible products within both the 200 and 400
Series. Please visit our website for more information.
http://auto-maskin.com/marine/
Page 3 (7)

3 Installation
This chapter covers the installation of the RIO 410 and RIO 210.
3.1 General
The RIO 410 and RIO 210 are remote I/O expansion units. They are designed to be used
together with the Marine Pro family.
They can be installed separate from the DCU or in the same cabinet. Maximum distance to
the DCU is 1000 meter. The RIO units are intended to be mounted on a DIN rail.
The desired I/O shall be wired to the input / output channels on the RIO.
The two-wire RIO Link shall be established between the DCU and the RIO.
3.1.1 Power LED
The Power LED is lit when the unit has power.
The LED will flash if the voltage drops below 21 V.
3.2 Wiring
The RIO has these main connections
● Power Supply
● I/O Connections
● Communication
3.2.1 Power Supply
On the RIO 410/210, connect 24 VDC power supply to terminal 1 and 2. Connect terminal 3
to shield.
Power supply wires shall have a minimum area of 0.5 mm2.
3.2.2 I/O Connections
Connect the sensors and switches to the respective sections on the RIO.
3.2.3 Communication
All connected sensor I/O is available on a Modbus RTU communication link.
The communication link can be connected to a Marine Pro DCU Engine Controller, and the
sensor information can be read by an external unit using the DCU communication interface.
Modbus Reference
To access the RIO 410/210 Modbus I/O list, see the Auto-Maskin 200/400 Series
Communication List (https://goo.gl/MP7EQM) available from Auto-Maskin web page.
Modbus RTU Communication Specification
Page 4 (7)

Physical interface
RS-485
Baudrate
19200
Start bits
1
Stop bits
1
Parity
Even
RIO Modbus Address
The RIO 410/210 can have four different addresses; meaning up to four units can be used
on the same Modbus network. This can be a mix of RIO 410 and RIO 210.
Make sure all
units on the Modbus link have unique Modbus addresses.
DIP setting
RIO 410 Modbus Address
RIO 210 Modbus Address
00
10 (default)
40 (default)
01
11
41
10
12
42
11
13
43
The DCU only supports RIO 210 with Modbus Address 40.
The DIP switches are located under the rubber cap on the front of the RIO unit.
Connect to DCU Engine Controller
If connecting to a DCU, wire as follows:
RIO 410 / RIO 210
DCU 410E / DCU 408E
DCU 210E / DCU 208E
63 (Shield)
57 (Shield)
N/A
64 (L)
58 (L)
C1.5 (L)
65 (H)
59 (H)
C1.6 (H)
66 (24 V)
5 (24 V)
N/A
62 (0 V)
6 (0V)
N/A
Page 5 (7)

When used with the DCU 200 Series, connect the same power supply to the RIO
410/210 as used to supply the DCU 200 Series.
Terminator Resistor
The 120 ohm terminator resistor shall be connected at the last RIO unit (furthest away from
the DCU) in the RIO link chain.
If the RIO 410/210 is the only unit on the RIO link, the terminator resistor shall be connected
at this RIO 410/210. If so, connect the resistor directly across terminal 64 (L) and 65 (H) on
the RIO 410/210.
There shall be one
terminator resistor only on the RIO link. The DCU has a built-in
terminator resistor at its end, so no terminator resistor shall be added on the DCU
side.
Is the DCU communicating with the RIO?
This can be verified in the DCU web interface under the following section:
Home –> Troubleshooting -> DCU -> Communication.
Locate the RIO 410/210 line.
DCU Configuration
When properly connected, the DCU will find the RIO automatically (plug and play). However,
the DCU configuration shall be updated to include the connected RIO.
If the RIO is not detected at a later stage because of a fault, then the DCU will indicate this
with a warning.
If a RIO is removed from the application, then it must be manually removed from
the configuration, otherwise the DCU will keep looking for it and indicate with a
warning.
3.3 Configuration
All RIO channels are configured using the DCU Engine Controller web interface. The RIO
does not store any I/O configuration internally.
Additional configuration information of the RIO can be found in the DCU Configuration
Manual.
4 Schematic
In the drawing below “RIO 410” can be either RIO 410 or RIO 210, and “DCU 410” can be
any DCU in the Marine Pro family.
Page 6 (7)

Page 7 (7)
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