ABB AO2000-LS25, Руководство пользователя

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AO2000-LS25
LASER ANALYZERS | OI/AO2000-LS25-EN REV. D
… 2 Use in potentially explosive atmospheres in accordance with ATEX and IECEx
… Electrical connections
Cable glands on the transmitter unit
Figure 6: Cable glands on the transmitter unit (viewed from below)
Pos. Description
1
Cable gland M20 for cables to receiver unit
Power supply and signals from and to the receiver unit.
Connection assignment, see
Signal cable on page 40.
2
Not assigned
3
Cable gland M16 for network cable
10 or 10/100 Base-T Ethernet (RJ45).
Connection assignment, see
Service interface (RS232)
on page 41.
4
Cable gland M16 for service connection
RS232 interface (galvanically isolated).
Connection assignment, see
Service interface (RS232) on page 41.
5
Cable gland M20 for power supply and analog inputs
Power supply and signals from the external sensors.
Connection assignment, see
Power supply / analog inputs on
page 41.
During installation, the clamping range for lines as well as the
tightening torque of the cable gland and the union nut must be
observed.
Cable gland Clamping range for lines and tightening torque of cable
gland and union nut
M16×1.5 3.5 to 8 mm 3 Nm
M20×1.5 7 to 12 mm 3 Nm
Note
Only suited and cable glands and reduction nozzles approved for
the Ex Zone may be used as spare parts.
• The use of other cable glands and blind plugs lead to a loss of
Ex-approval!
Specifications for the selection of cable glands
Thread sizes M16×1.5; M20×1.5
Sealing Gasketing via sprayed-on sealing ring on the
contact surface of the cable gland
Maximum surface
roughness of the housing max. Ra = 8 µm
Wall thickness range of the
housing 4 to 5 mm