AO2000-LS25 LASER ANALYZERS | OI/AO2000-LS25-EN REV. D 25
Cable connections
Preliminary remarks
The transmitter and receiver units are connected with a cable
(signal cable).
Impairment of device safety and function
Impairment of device safety, calibration or accuracy of the
device due to modification of the signal cable or cable glands.
• The cable glands or signal cables must not be replaced or
modified without the express permission of ABB.
• The max. length of the signal cable (transmitter to receiver
unit) is 150 m (492 ft).
• The max. length of the power cable (power supply to
transmitter unit) is 100 m (328 ft).
• The max. length of the (optional) Ethernet cable is
100 m (328 ft) or more (depending on configuration of local
network).
• The service PC cable is 3 m (9.8 ft) long, but can be extended
to approx. 10 m (32.8 ft).
Notes for installation
• If not pre-assembled at the factory, connect the power cable
and signal cable to the transmitter unit terminal box, see
Transmitter unit – signal cable to receiver unit on page 26
and Transmitter unit – power supply / analog inputs on
page 26.
• If not pre-assembled at the factory, connect the signal cable
to the receiver unit, see Receiver unit – signal cable on
page 26.
• The input signals (such as external temperature and pressure
sensors) are connected to the corresponding terminals in the
transmitter unit, see Transmitter unit – power supply /
analog inputs on page 26.
Use the cable gland for power supply and analog inputs, see
Cable glands (Myers-Hubs) on the transmitter unit on
page 24.
If connected to the terminals in the transmitter the factory-
mounted wires should be removed from the terminals in
question.
• The power supply provided may only be installed outside the
potentially explosive atmosphere or in ATEX Zone 2 or CSA
Class I Division 2.
Note
• In the table columns labeled “Signal”, the indicated polarities
of the items are for naming only and do not necessarily
reflect the polarity of real voltages.
• All potentials are floating and none of them should be
grounded to box. This applies to all connection tables.
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