GAT NET.Lock 7000 System
Electrical Connection
www.gantner.com
HB_GAT-NETLOCK7000--EN_30
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4.3.3 Power Supply
The GAT NET.Controller S 7000 is connected to the mains power supply via an external power supply unit. Depending
on the type of power supply unit and the country mains voltage may be U
AC
230 V or U
AC
115 V (please refer to
technical data). The power supply is connected to the controller via the MOLEX plug shown in Figure 4.7.
Figure 4.7
- Connection of the power supply on the GAT NET.Controller S 7000
The power supply unit may be placed in the storage place inside the slave controller.
There are two different types of power supply connections:
1. The power supply can be connected to each slave controller individually.
2. The power supply is connected to a single or a few slave controllers, which in turn supply the remaining slave
controllers via the RS 485 cable. In this case, the “power plug” must be inserted for those slave controllers which
are not supplied directly.
Note:
At the first controller the power supply must always be connected. If 5 or more controllers are used at
one line a second power supply is required at least at the fifth controller.
Figure 4.8
- Power transmission via RS 485 interface
Pay attention
to the direction of the supply, as the supply is provided only at the “RS 485 OUT” socket.
Attention,
the maximum total cable length, if the power is transmitted from a master or slave controller to
a subsequent controller, is 200 metres.