Table 3-2: Rosemount 499ACL-01 Sensor Wiring to Rosemount 5081 Transmitter
(continued)
Terminal
number
Letter
Wire color
Description
4
B
White/red
RTD sense
5
C
Red
RTD in
6
N/A
N/A
Reference guard
7
N/A
N/A
Reference in
8
D
Clear
Solution ground
9
N/A
N/A
pH guard
10
N/A
N/A
pH in
11
N/A
N/A
-5 V
12
N/A
N/A
+5 V
13
E
Gray
Anode
14
F
Orange
Cathode
15
N/A
N/A
HART
®
/F
OUNDATION
™
Fieldbus
(-)
16
N/A
N/A
HART/F
OUNDATION
Fieldbus (+)
Quick Start Guide
September 2019
14
Emerson.com/Rosemount
