Display And Interface Options; Configuration Buttons (1); A.4.10Transient Protection; A.4.11Bolts For Flanges And Adapters - Emerson Rosemount 2051 Reference Manual

Reference Manual
00809-0300-4101, Rev BB
Level
%
in
1. Available with enhanced 2051 and wireless.
2. Available on PROFIBUS PA.
3. All flow units are available per second, minute, hour or day.
A.4.8 Display and interface options
M4 Digital display with LOI
Available for 4–20 mA HART, 4–20 mA HART Low

Power, and PROFIBUS PA
M5 Digital display
2-line, 5-digit LCD display for 4–20 mA HART

2-line, 5-digit LCD display for 1–5 Vdc HART Low

Power
2-line, 8-digit LCD display for F

and PROFIBUS PA
3-line, 7-digit LCD display for wireless

Direct reading of digital data for higher accuracy

Displays user-defined flow, level, volume, or pressure

units
Displays diagnostic messages for local

troubleshooting
90-degree rotation capability for easy viewing

A.4.9 Configuration buttons
Rosemount 2051 requires option D4 (analog zero and
span), DZ (digital trim), M4 (LOI) for local configuration
buttons.
A.4.10 Transient protection
T1 Integral transient protection terminal block
Meets IEEE C62.41, category location B
6 kV crest (0.5 μs–100 kHz)

3 kA crest (8 20 microseconds)

6 kV crest (1.2 50 microseconds)

A.4.11 Bolts for flanges and adapters
Standard material is plated carbon steel per ASTM A449,
type 1
L4 Austenitic 316 stainless steel bolts
L5 ASTM A 193, Grade B7M bolts
L6 Alloy K-500 bolts
L8 ASTM A 193 Class 2, Grade B8M bolts
Specifications and Reference Data
(3)
ft cm
mm
Fieldbus
OUNDATION
(1)
Specifications and Reference Data
A.4.12 Conduit plug
DO 316 SST conduit plug
Single 316 SST conduit plug replaces carbon steel plug
A.4.13 Rosemount 2051C coplanar Flange
and 2051T bracket option
B4 Bracket for 2-in. pipe or panel mounting
For use with the standard coplanar flange

configuration
Bracket for mounting of transmitter on 2-in. pipe or

panel
Stainless steel construction with stainless steel bolts

A.4.14 Rosemount 2051C traditional flange
bracket options
B1 Bracket for 2-in. pipe mounting
For use with the traditional flange option

Bracket for mounting on 2-in. pipe

Carbon steel construction with carbon steel bolts

Coated with polyurethane paint

B2 Bracket for panel mounting
For use with the traditional flange option

Bracket for mounting transmitter on wall or panel

Carbon steel construction with carbon steel bolts

Coated with polyurethane paint

B3 Flat bracket for 2-in. pipe mounting
For use with the traditional flange option

Bracket for vertical mounting of transmitter on 2-in.

pipe
Carbon steel construction with carbon steel bolts

Coated with polyurethane paint

B7 B1 bracket with SST bolts
Same bracket as the B1 option with Series 300

stainless steel bolts
B8 B2 bracket with SST bolts
Same bracket as the B2 option with Series 300

stainless steel bolts
B9 B3 bracket with SST bolts
Same bracket as the B3 option with Series 300

stainless steel bolts
BA Stainless steel B1 bracket with SST bolts
B1 bracket in stainless steel with Series 300 stainless

steel bolts
BC Stainless steel B3 bracket with SST bolts
B3 bracket in stainless steel with Series 300 stainless

steel bolts
November 2016
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