Table 7-1: Ex safety parameters - ER port
(continued)
Safety parameters
Group IIB
Group IIC
Maximum external inductance
Lo: 49.36µH
Lo: 12.34µH
Maximum ratio Lo/Ro for cable
56.80 µH/Ω
Max. 14.20µH/Ω
Table 7-2: Ex safety parameters - LPR port
Safety parameters
Group IIB
Group IIC
Maximum output voltage
Uo: 5.9V
Uo: 5.9V
Maximum output current
Io: 0.235A
Io: 0.235A
Maximum output power
Po: 0.309W
Po: 0.309W
Maximum external capacitance
Co: 9µF
Co: 210nF
Maximum external inductance
Lo: 2.56mH
Lo: 0.64mH
Maximum ratio Lo/Ro for cable
Max. 408µH/Ω
Max. 102µH/Ω
Table 7-3: Ex safety parameters - Galvanic port
Safety parameters
Group IIB
Group IIC
Maximum output voltage
Uo: 5.9V
Uo: 5.9V
Maximum output current
Io: 0.180A
Io: 0.180A
Maximum output power
Po: 0.244W
Po: 0.244W
Maximum external capacitance
Co: 9µF
Co: 230nF
Maximum external inductance
LO: 4.36mH
Lo: 1.09mH
Maximum ratio Lo/Ro for cable
Max. 532µH/Ω
Max. 133µH/Ω
Table 7-4: Ex safety parameters - HART service port
Safety parameters
Group IIC
Maximum output voltage
Uo: 5.9V
Maximum output current
Io: 12.64mA
Maximum output power
Po: 18.65mW
Maximum external capacitance
Co: 420nF
Maximum external inductance
Lo: 223mH
Maximum ratio Lo/Ro for cable
Max. 1.9mH/Ω
Maximum input voltage
Ui: 1.9V
Maximum input current
Ii: 32µA
Quick Start Guide
April 2021
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Emerson.com/Rosemount