Emerson 781, Быстрый старт

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Figure 4-2: Emerson Wireless Field Link Dimensional Drawing
A
B
C
D
90°
5.51
(140)
4.20
(107)
3.55
(90.17)
10.91
(277)
12.43
(316)
3.55
(90.17)
5.51
(140)
5.21
(132)
A 2x Conduit plug
B Possible antenna rotation shown
C Extended range antenna
D Wireless HART
®
antenna
Table 4-1: Emerson Wireless Field Link Specifications
Item Specifications
Input power 10.5 – 30 VDC
Operating temperature –40 to 185 °F (–40 to 85 °C)
Wiring (power) 24 AWG - 14 AWG twisted shielded pair
(1)
Wiring (RS-485
communications) 24 AWG - 14 AWG twisted shielded pair
(1)
Less than 15 pF/ft capacitance.
Wiring distance 656 ft. (200 m)
Wireless protocol Wireless HART, 2.4 – 2.5 GHz DSSS
Wireless output power,
EIRP 10 dBm with WK antenna and 12.5 dBm with WM
antenna
Mounting All SST, 2-in. pipe and panel mount bracket
Humidity 0 – 90% relative humidity
(1) Ambient temperatures above 60 °C require wiring rated to at least 5 °C above
max ambient temperature.
Quick Start Guide September 2020
10 Emerson.com/Rosemount