Emerson AMS Trex Device Communicator - Intrinsically Safe Electrical Parameters

Specification Value
Storage with power module -20°C to +50°C (-4°F to 122°F) (less than 1 month)
Storage without power
module
-20°C to +60°C (-4 °F to 140°F)
Enclosure rating IP54
Shock The unit shall survive a 1-meter, all sides and corners drop test onto
concrete.
B.5 Intrinsically Safe electrical parameters
Table 1: Device Communicator communication module
FOUNDATION
™
fieldbus FOUNDATION
™
fieldbus HART
®
(non-FISCO) (FISCO)
FF + and - FF + and - HART + and -
Ui 30 Vdc 30 Vdc 30 Vdc
Ii 380 mA 215 mA (IIC) 380 mA (IIB) 200 mA
Pi 1.3 W 1.9 W (IIC) 5.3 W (IIB) 1.0 W
Ci 0 0 0
Li 0 0 0
Uo 1.89 V 1.89 V 1.89 V
Io 32 µA 32 µA 32 µA
Po 61 µW 61 µW 61 µW
Co 14.3 µF 14.3 µF 14.3 µF
Lo 100 mH 100 mH 100 mH
Table 2: Device Communicator Plus communication module
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 -
Ui 30 Vdc 17.5 Vdc 30 Vdc 30 Vdc 30 Vdc 17.5 Vdc 30 Vdc
Ii 200 mA 380 mA 380 mA 200 mA 200 mA 380 mA 215 mA (IIC)
380 mA (IIB)
Pi 1.0 W 1.3 W 1.3 W 1.0 W 1.0 W 1.3 W 1.9 W (IIC)
5.3 W (IIB)
Ci 0 231 nF 0 0 0 231 nF 0
Li 0 0 0 0 0 0 0
Technical specifications User Guide
September 2021
186 User Guide
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