Emerson 1700 用户手册

Installation Manual

Output Wiring – Model 2700 Configurable I/O Transmitters

tp
ut
Wi
ri

ng
– Con

fig

urab

le I

Spec

ifications

Ou
tpu

t W
irin
g

– Fiel

db
us/PR

Output Wiring – Intrinsica

y Saf

Figure 6-2

Basic mA wiring

Figure 6-3

HART/analog single-loop wiring

–

mA1

mA2

–

820

Ω maximum loop resistance

420

Ω maximum loop resistance

820

Ω maximum loop resistance

For HART communications:
• 600

Ω maximum loop resistance

• 250

Ω minimum loop resistance

–

HART-

compatible host

or controller