Functional Safety Installation
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ULTIMA X5000 Gas Monitor Safety Manual
US
4. Functional Safety Installation
4.1. Safety Function
The Ultima X5000 detects hydrocarbon, toxic, and oxygen gas atmospheres and provides a 4-20 mA output
depending on the concentration in air, see user manual for additional information. See figure 1 for
representation of the safety function and non-interfering communications.
Fig. 1 Safety function
HART, Modbus, and Bluetooth, communication are typically used for field device setup, diagnostics, and
troubleshooting. Carefully observe requirements for interfacing in hazardous locations. HART, Modbus, and
Bluetooth communication are non-interfering functions and do not interrupt the safety critical function of the
device.
4.2. Measurement Range
The X5000 provides an analog 4-20 mA output that is proportional to hydrocarbon vapor, toxic, or oxygen
concentrations. The X5000 output measurement provides defined fault condition current levels below 3.6 mA
or above 20.5 mA as outlined in the Instruction Manual.
4.3. Diagnostic Response Time
The X5000 monitors itself for many conditions and will report abnormalities to the user. All critical diagnostic
functions are performed within 24 hours as the worst case diagnostic detection time.
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