Endress+Hauser Proline Prowirl 73 - Page 7

Proline Prowirl 73 F, W
Endress+Hauser 7
Cable entry Power supply and signal cables (outputs):
• Cable entry M20 x 1.5 (8...11.5 mm)
• Thread for cable entry: ½" NPT, G ½", G ½" Shimada
• Fieldbus connector
Power supply failure • Totalizer stops at the last value determined (can be configured)
• All settings are kept in the EEPROM
• Error messages (incl. value of operated hours counter) are stored
Connecting diagram for the
input of an external tempera-
ture or pressure value via
HART protocol
1. Process control system with common “positive”
A0001774
Connecting diagram for process control system with common “positive”
A) Prowirl 73
B) Cerabar-M or other HART- and burst-able pressure-, temperature, and density-transmitter
C) Active barrier RN221N
2. Process control system with common “negative”
A0001775
Connecting diagram for process control system with common “negative”
A) Prowirl 73
B) Cerabar-M or other HART- and burst-able pressure-, temperature, and density-transmitter
C) Active barrier RN221N
250
0+H
0–
0+ 0+H
0–
0+
PLC+ PLC (73) in PLC (p/T) in
A
B
CC
250
0+H
0–
0+ 0+H
0–
0+
PLC–PLC (73) in PLC (p/T) in
A
B
CC