Electrical Connections for the Ultima Remote
Sensor Module
"!
WARNING
Before wiring the Ultima Remote Sensor Module, disconnect
the power source feeding the Remote Sensor Module and
the Ultima Gas Monitor/Less Sensor; otherwise, electrical
shock could occur.
Before removing the cover of an explosion-proof Ultima
Remote Sensor Module or Ultima Gas Monitor/Less Sensor,
verify that the surrounding area does not contain a flammable
mixture of combustible gas and air, since a source of ignition
is exposed; otherwise, an explosion may occur if a metal
object contacts the circuitry and produces sparks.
All Ultima Remote Sensor Modules (except the catalytic
combustible model) are supplied with 50 feet of cable. This cable
has a connector on one end which plugs into its mate within the
Ultima Gas Monitor/Less Sensor. The other end of the cable can
be cut to the exact length needed.
Figure 1-18.
Three-Wire 4 to 20 mA Monitor Operation
Figure 1-19.
Three-Wire Frequncy or MUX Monitor Operation
Chapter 1, Set-up
1-16
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