A
Reference data
A.1
Ordering information, specifications, and
dimensional drawings
To view current Rosemount 975 Series ordering information, specifications, and
dimensional drawings, follow these steps:
Procedure
1. Go to
Emerson.com/en-us/catalog/flame-detectors
2. Select the appropriate product.
3. Scroll down to
Documents and Drawings
.
4. Select
DATA SHEETS & BULLETINS
5. Select the appropriate Product Data Sheet.
A.2
Product certifications and installation
drawings
To view current Rosemount 975 Series product certifications and installation drawings,
follow these steps:
Procedure
1. Go to
Emerson.com/en-us/catalog/flame-detectors
2. Select the appropriate product.
3. Scroll down to
Documents and Drawings
.
4. Select
CERTIFICATES & APPROVALS
5. Select the appropriate document.
A.3
Failure status codes
Rosemount 975 MR and HR 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
parameters
burning
Reference Manual
Reference data
00809-1500-4975
June 2021
Rosemount 975
31