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Installation
7
7 Installation
7.1 Mounting the gas-net Q1
The gas-net Q1 evaluation computer is designed for mounting in a 19"-cabinet
and is available with mounting widths of 1/3 or 1/2. Pay attention to a mounting
depth of 170 mm (with connectors: approximately 220 mm) to guarantee the
accessibility of the terminals on the back. We recommend mounting the device
in a hinged bay.
The gas-net Q1 device must be installed in an ex-free installation area
(electrical operating area) according to protection class IP 20.
7.2 Connecting the lines
Ensure that the device is in de-energised conditions before connecting the
transmitter, supply, signal and data lines.
Any modification of the wiring is only permitted if the supply is
disconnected!
Connect the transmitter and signal lines to the Q1 using plug-in screw terminals,
each of which is located in a cable terminal box. Connect the power supply via
fixed screw terminals. Data lines have to be connected to the corresponding
SUB-DB9 connector housings.
Please pay special attention to the intrinsically safe circuits. Before switching on
the supply, make sure that the connectors for the intrinsically safe signals are
plugged in as only in this case a thread measure of 50 mm can be guaranteed,
which is required by the relevant guidelines.
gas-lab Q1
Page 107
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