IntesisBox
®
BACnet/IP Server - Modbus RTU Master
User’s Manual r14 eng
© Intesis Software S.L. - All rights reserved
This information is subject to change without notice
IntesisBox
®
is a registered trademark of Intesis Software SL
URL
Email
tel
http://www.intesis.com
[email protected]
+34 938047134
12 / 27
The use of DC power supplies, floating or with the negative terminal connected to
earth.
Never use a DC power supply with the positive terminal connected
to earth
.
The use of AC power supplies only if they are floating and not powering any other
device.
4.2 Connect to Modbus
Connect the communication cable coming from the Modbus network to the port marked as
Modbus of IntesisBox (Figure 4.1). Two methods to connect to the Modbus network can be
used:
The RS485 port if the network is RS485 2-wire. Connect the + and the – to the
respective ports in the slave devices (polarity matters)
The RS232 port if the connection is point to point to one single slave.
IntesisBox
Modbus RTU
slave
1
DB9 M
RS-232
DB9 F
TX
3
RX
RX
2
TX
GND
5
GND
Table 4.1
Modbus RS232 cable pinout
How to check if there is communication with the Modbus bus is explained in the
LinkBoxBacnet Manual (section 5).
4.3 Connect to BACnet
Connect the communication cable coming from the network hub or switch to the ETH port
(Figure 4.1) of IntesisBox. The cable to be used depends on where the IntesisBox is being
connected:
Connecting directly to a BACnet/IP device: crossover Ethernet UTP/FTP CAT5 cable
Connecting to a hub or switch of the LAN of the building: a straight Ethernet UTP/FTP
CAT5 cable
In case there is no response from the BACnet devices to the frames sent by IntesisBox,
check that they are operative and reachable from the network connection used by
IntesisBox. Check the IntesisBox Ethernet interface sending Pings to its IP address using a
PC connected to the same Ethernet network.
4.4 Connect to PC (LinkBoxBacnet)
This action allows the user to have access to configuration and monitoring of the device
(more information can be found in the LinkBoxBacnet User Manual [section 5]). Two
methods to connect to the PC can be used:
1
Check your Modbus device’s user’s manual provided by its respective manufacturer to know more details about pinout.