Engineering manual - UniSAB III 1.10.8
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001930 en 2021.06
UniSAB III (boot) and communication set-up
If you do not intend to connect to an external network, such as the Internet or an Intranet, it is sufficient
to use a switch to interconnect between up to 14 UniSAB III units.
If you intend to connect to an external network, such as the Internet or an Intranet, you must use a VPN
router (or alternatively a router with a build-in firewall). You may use a Linksys type RV042 VPN router
but note that it is intended for office use and installation. It should not be mounted in an industrial envi-
ronment such as a machine room. Industrial types of VPN routers are also available but at a higher cost.
Consult the Router manual for WAN and LAN set-up.
For the Linksys type RV042 router you need to set up two pages. First connect to the router default IP
address (192.168.1.1) with a browser as described in the Linksys manual.
In the Linksys page
Set up > Network
, enter the
LAN setting
as suggested in Fig. 44 (corresponding to
the UniSAB III IP setting). Enter the
WAN connection type
setting as supplied by the net operator.
In the Linksys page
VPN > PPTP Server Network
, click
Enable PPTP Server
and enter a VPN client
range e.g. 192.168.10.200 to 204. Maximum five concurrent VPN clients are possible. Now you can de-
fine the needed number of VPN client, i.e. user names and passwords.
Fig. 44: Ethernet set-up
8.5.3
Configuration of RS485 port/Danbuss
See subsection
for the software set-up of the RS485/Danbuss port in UniSAB III.
The communication number
Compr
. must be defined to a number between 1 and 14. You must also de-
fine the communication speed baud rate which is normally set to 19200. See also the UniSAB III se-
quence manual.
The RS485/Danbuss cable is a screened two wire twisted cable. It is daisy-chained from UniSAB to Uni-
SAB. Three/six terminals are used. For the electrical connections see Fig. 45 for plug X11. Use jumper
S1 to terminate the Danbuss network in the first and last UniSAB III. To avoid communication problems
(noise) ensure that all UniSAB III units on the same Danbuss network are properly grounded to a com-
mon ground with a 6□PVT Green/Yellow cable.
Internet/
Intranet
WAN setting
IP address:
Supplied by the net operator
Mask:
255.255.240.0
LAN setting (Unisab III subnet)
IP address:
192.168.10.254
Mask
255.255.255.0
Switch
or router
Unisab III no. 1
Unisab III no. 2
Unisab III no. 14
LAN setting
(Unisab III subnet)
IP adress: 192.168.10.01
Mask: 255.255.255.0
Gateway: 192.168.10.254
LAN setting
(Unisab III subnet)
IP adress: 192.168.10.02
Mask: 255.255.255.0
Gateway: 192.168.10.254
LAN setting
(Unisab III subnet)
IP adress: 192.168.10.14
Mask: 255.255.255.0
Gateway: 192.168.10.254
If you want to connect Unisab III
subnet through Internet or Intranet
you must use a router with a
build-in VPN server
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