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Varec, Inc. 23
4532 Wiring
6 Wiring
6.1 Terminal Connection
6.1.1 4532 ATC terminal
Note! The 4532 ATC allows an intrinsically safe HART connection only. Please refer to the
i.s. regulation for establishing wiring and field device layout.
Figure 6-1: 4532 ATC terminal
The 4532 ATC has convenient daisy chain HART loop terminals that enable the 4532
ATC to be a terminal junction for HART multi-drop instruments.
Z1
Z1
H2-
H2-
H2+
H2+
H1-
H1-
H1+
H1+
Z2
Z2
Z3
Z3
AR1
AR1
H2-
H2-
H2+
H2+
H1-
H1-
H1+
H1+
Ground terminal
Screened twisted pair
or steel armored wire
to 4590 TSM
+ terminal 24, 26 or 28
- terminal 25, 27 or 29
or
to 6000 STG
+ teminal 24
- terminal 25
Note!
Metal cable gland only:
Shield of HART communication
line must be grounded
Temp. data
I.S. HART on 4532 ATC
+ : H1 + terminal
- : H1 - terminal
Zincate-plate
aluminum plug
Multi-drop HART loop
Daisy chain connection
+ : H2 + terminal
- : H2 - terminal