Emerson AMS Trex - Power Module Specifications; AC Adapter Specifications

mA
interface
FOUNDATION
™
fieldbus
HART
®
FOUNDATION
™
fieldbus
(non-FISCO) (FISCO)
mA
FF pwr
and F- FF + and -
HART +
pwr
HART +
and -
FF pwr and
F - FF + and -
Io 0 199 mA 32 µA 105 mA 1.9 mA 199 mA 32 µA
Po 0 0.94 W 61 µW 668 mW 3.6 mW 0.94 W 61 µW
Co - See table
3
14.3 µF See table 4 14.3 µF See table 3 14.3 µF
Lo - See table
3
100 mH See table 4 100 mH See table 3 100 mH
Table 3: Co and Lo values for FF pwr and F-
Co [nf] 19 69 115
Lo [µH] 100 50 30
Table 4: Co and Lo values for HART + pwr
Co [nf] 57 64 75 102
Lo [µH] 1000 750 500 100
B.6 Power module specifications
Specification Value
Charge time 3 to 4 hours
LEDs 6 LEDs. Five LEDs for indicating the progress of charging. One LED
to indicate the AC adapter is charging the power module.
Operating time More than 8 hours of typical use
Type Lithium Ion (Li-Ion)
B.7 AC adapter specifications
Electrical Specification
AC input voltage range 90-264 VAC
Technical specifications
188 User Guide