Pyramid DC Receiver Installationshandbuch Seite 13

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Page 13
Installation Manual Pyramid DC Receiver
NETWORK CONNECTIONS
Once the required network card has been fitted to the DC receiver PCB, the unit can be wired to the network. The way in
which this is done depends on the network protocol in use, as each of the protocols that can be used with the module
(RS485, RS422, FTT10 and Fibre) have different connections and wiring conventions.
For RS485, RS422 and FTT10 protocols, the network is wired to CON19. Using Figure 12 as a guide, wire the network to
the 5-way connector as follows:
RS422
Ground
FTT10
Network Ground Not Used
RS485
Ground
Not UsedNetwork
-
+
Out
-
+
In
-
+
Figure 12 - Network Connections
If a fibre optic network card (PY-FI7 and PY-FI9) is being used, the network is connected directly to the network card rather
than to CON19. For details on how to make these connections, consult the installation instructions that are supplied with
the fibre optic network card.
POWER SUPPLY CONNECTIONS
The boxed variants of the DC receiver include a terminal block mounted on the metal base plate. This external terminal
block is used to earth the metal base plate and to connect the factory fitted 24V DC PSU to the mains power supply.
LIVE
NEUTRAL
LIVE
NEUTRAL
EARTH
Figure 13 - External Terminal Block
WARNING
Ensure that the power is switched off before connecting the mains wires.
The module must be earthed.
Do not connect additional mains devices to the fused side of the external terminal block.
Connect the Live, Earth and Neutral wires from the mains to Live, Earth and Neutral on the non-fused side of the external
terminal block. Switch on the mains power and any other power supplies that are being usedthe module now contains
live voltages.
When the power is switched on, LED1 lights to indicate the polarity of the 24V DC. If the polarity is correct it will light green,
and if it is incorrect, it will light red.
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