Emerson Rosemount 975 Reference Manual page 36

Reference data
June 2021
Status
V83
P71
P72
P74
P75
P76
F38
F41
F42
F43
F44
F45
F46
F47
36
Description 4-20mA
output
(2)
Wrong vin 1mA
Program 1mA
memory CRC
failure
Faulty E2PROM 1mA
RAM CRC failure 1mA
None of the 1mA
parameters exist
RAM parameters 1mA
CRC failure
Wrong AFE 1mA
offset
Constant UV 1mA
Noisy UV 1mA
UV high voltage 1mA
failure
IR sensor failure 1mA
– no signal
IR circuit 1mA
shortcut failure
IR signal Amp 1mA
stuck at one
failure
Constant IR 1mA
signal
Analog Fault LED
output relay indicator
0v Open 4Hz
blinking
orange
0v Open 4Hz
blinking
orange
0v Open 4Hz
blinking
orange
0v Open 4Hz
blinking
orange
0v Open 4Hz
blinking
orange
0v Open 4Hz
blinking
orange
0v Open 4Hz
blinking
orange
0v Open 4Hz
blinking
orange
0v Open 4Hz
blinking
orange
0v Open 4Hz
blinking
orange
0v Open 4Hz
blinking
orange
0v Open 4Hz
blinking
orange
0v Open 4Hz
blinking
orange
0v Open 4Hz
blinking
orange
Reference Manual
00809-1500-4975
Test rate
Every 30msec
At start-up
At start-up or
upon setup/
parameters
burning
Every 30msec
At start-up
Every hour
Every 30msec
Every 30msec
Every 30msec
Every 30msec
Auto/manual BIT
Every 30msec
Auto/manual BIT
Every 30msec
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