BA-40400-02-V14 | 9
Operating instructions
Fig.4: RS 485 connections on the interface module board, partially obscured by
the output module
CAUTION!
The data line must be locked at both sides with a
120 Ohm line resistance and must be supplied a
firm potential using the two link plugs on the two
jumpers on the circuit board of the display of all la-
test
TOPAX
versions.
Two link plugs/jumpers have to be connected to the TOPAX (the last one
in the network) for the 120 ohm switch, Pull-up and Pull-down resist-
ances. The resistances are not active when the system is delivered. The
resistance of 120 ohms on the PC side is applied via the connector
converter.
The jumper slots are located in the front of the housing on the display
board, above the flat band-connection to the main board.
Resistors deactivated
(delivery status)
Resistors activated
(last device in the network)
Jumper position: OFF
Jumper position: ON
The resistors are NOT active.
The jumpers are set DOWN
The resistors are activated.
The jumpers are set UP
Fig.5: Position and setting of the jumper to activate the RS 485 resistances on
the last TOPAX in the network.
4.4.6 TopView software
For remote viewing on a PC the manufacturer offers the full version of
the TopView display program and a freeware version with limited func-
tionality. The "TopView mini" freeware version is free on the internet and
can be downloaded from the manufacturer's website.
4.5 Power connections
The equipment may be installed and attached only by authorized and
qualified electricians. Connections must be made according to the en-
closed wiring diagrams.
ATTENTION!
Only work on electrical connections while the device
is disconnected from the power supply.
Insert the cables in the various connections screwed on the bottom side
of the housing. After the installation, tighten all cable connections so
that the required protection class is provided.
Fig.6: Cable connections for protected cable passage to the rear part of the
housing.
For the connection to the power supply and to the actuators, TOPAX is
equipped with special terminal clips.
Fig.7: The principle of the connecting terminal to the technical components.
For a better assembly these clamps are designed plug-ins, whereby the
maximum cross section is 2.5 mm
2
for the power cord and 1.5 mm
2
for
all other cable to the terminal clips.
