52
USING THE BROWSER
Internet/Intranet
Modbus
EH-net
web- server
EH-105
EH-203
MODBUS-600 + EH-686
Alarm transfer
Text message to a
GSM phone
Alarm
transfer
If a MODBUS bus adapter card (optional equipment) has been installed into Ouman EH-105
the controller can be connected to a browser-based user interface through the Modbus bus
using the EH-net.
The EH-net can be connected to the public Internet network or to the local network, intranet. If
the EH-net is connected directly to a public IP address, we recommend using a firewall device
between the EH-net and the network.
By using the browser it is possible to communicate with the EH-105 controller from any pc.
Information from the controller can be read and changed from the pc. If desired, entry to
certain functions can be limited or certain things can be hidden that can be security risks or
which are not relevant.
If the controller gives an alarm, alarm information can be transmitted by e-mail. If a GSM
modem is connected to the master device, alarm information can be transmitted as text
messages to a GSM phone.
Specific instructions for installing the MODBUS into the EH-105 controller and initialization
come with the bus adapter card. Instructions for network connections and initialization come
with the EH-net master device.
EH-105
