Status
Description
4-20mA
output
Analog
output
Fault
relay
LED
indicator
Test rate
G0
Temperature
gradient
4mA
2v
Close
1Hz
blinking
green
Every 30msec
T0
Alarm delay
16mA
2v
Close
2Hz
blinking red
Every 30msec
W0
Warning
16mA
2v
Close
2Hz
blinking red
Every 30msec
A0
Alarm
20mA
5v
Close
Constant
red
Every 30msec
L0
Latch
20mA
5v
Close
Constant
red
Every 30msec
Z0
Benzene
4mA
2v
Close
1Hz
blinking
green
Every 30msec
J0
Anti-flare
2v
Close
1Hz
blinking
green
Every 30msec
X0
Explosion
20mA
5v
Close
Constant
red
Every 0.23msec
(1)
The detector turns to V81, V82 after two minutes.
(2)
The detector turns to V83 after 50 seconds.
(3)
Unless in Setup table define constant red.
(4)
4mA if from state "N', 16mA if from state "T".
Rosemount 975 UF and UR Models
Status
Description
4-20mA
output
Analog
output
Fault
relay
LED
indicator
Test rate
S90
Start up
1mA
0v
Open
4Hz
blinking
orange
Every start-up
S91
E2PROM
parameter
restoration
1mA
0v
Open
4Hz
blinking
orange
After burning a
new parameter
S92
Restore from
wrong voltage
1mA
0v
Open
4Hz
blinking
orange
After wrong
voltage
V81
1mA
0v
Open
4Hz
blinking
orange
Every 30msec
V82
1mA
0v
Open
4Hz
blinking
orange
Every 30msec
Reference Manual
Reference data
00809-1500-4975
June 2021
Rosemount 975
35