Emerson Rosemount SAM42 - Page 65

Figure 6-6: Ex-d interfacing between SAM42 and Fieldwatch
A. Hazardous area
B. Safe area
C. Acoustic Particle Monitor
D. Modbus RTU RS485
E. Ex d cable
F. Fieldwatch
G. RS485/RS232/TCP
H. 24 Vdc
I. Distributed Control System (DCS)
Figure 6-7: Ex-ia interfacing between SAM42 and Fieldwatch
A. Hazardous area
B. Safe area
C. Acoustic Particle Monitor
D. Modbus RTU RS485
E. Ex i cable
F. Safety barrier
G. Fieldwatch
H. RS485/RS232/TCP
I. 24 Vdc
J. Distributed Control System (DCS)
The SAM42 device set-up in Fieldwatch is performed by Emerson
service personnel.
May2024 Quick Start Guide
Quick Start Guide 65