Emerson Rosemount 520 User manual

Quick Start Guide
00825-0100-4520, Rev AC
February 2019
Rosemount™520 Level Transmitter
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NOTICE
This guide provides basic guidelines for Rosemount 520 Level Transmitters. It does not provide instructions
for configuration, diagnostics, maintenance, service, troubleshooting, or Intrinsically safe installations. Refer
to the Rosemount 520 Reference Manual for more information.This manual is also available electronically on
Emerson.com/Rosemount.
Explosions could result in death or serious injury.
Installation of this transmitter in hazardous areas must be in accordance with the appropriate local, national,
and international standards, codes, and practices. Review approvals section of the Rosemount 520 Reference
Manual for any restrictions associated with a safe installation.
Before connecting a HART®-based communicator in an explosive atmosphere, make sure the instruments in
the loop are installed in accordance with intrinsically safe or non-incentive field wiring practices.
Electrical shock can result in death or serious injury.
Avoid contract with the leads and the terminals. High voltage that may be present on leads can cause
electrical shock.
Contents
System readiness . . . . . . . . . . . . . . . . . . . . . . . . . 3
Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Mount the transmitter . . . . . . . . . . . . . . . . . . . . 4
Connect wiring and power up . . . . . . . . . . . . . 13
Verify transmitter configuration (optional) . 16
Trim the transmitter (optional) . . . . . . . . . . . . 17
Product Certifications . . . . . . . . . . . . . . . . . . . . 18
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1.0 System readiness
1.1 HART Communication
The Rosemount 520 utilizes the HART Communications Protocol. The most
notable advantage of employing HART Communications is that digital
information can be transmitted over legacy 4–20mA analog instrumentation
wiring. In addition to providing device diagnostics and process alerts, the ability
to communicate to the device remotely simplifies basic configuration,
calibration, and maintenance. A task-oriented, user optimized interface
eliminates errors and speeds routine maintenance tasks.
For the Rosemount 520, HART Protocol facilities two basic operation
configurations.
Point-to-point
In this configuration, digital signals are superimposed on the 4–20 mA loop
current. One process variable is sent on the 4–20 mA signal and other secondary
or calculated process variables can be transmitted digitally over the 4–20 mA
signal.
Multidrop
Multidrop refers to the connection of several transmitters to a single
communication transmission line. Communication between the host and the
transmitters occurs digitally with the analog output of the transmitters
deactivated. With HART Revision 7, up to 63 transmitters can be connected on a
single twisted pair of wires. Multidrop installation requires consideration of the
update rate necessary from each transmitter, the combination of transmitter
models, and the length of the transmission line.
For more information, reference “Connect wiring and power up” on page 13.
1.2 Configuration tools
There are several tools that can be used to configure the Rosemount 520.
The Field Communicator is a portable, handheld device used to configure field
devices or perform diagnostics for effective troubleshooting in the field without
having to use a laptop. The Field Communicator supports all HART devices and is
available in an intrinsically safe version.
HART modems allow AMS™Device Manager to communicate with HART devices
using a PC serial port, PC USB port, or Bluetooth®connectivity. Serial and USB
HART modems attach directly to a PC or laptop computer and do not require an
external power supply. Bluetooth HART modems require a self-contained power
source (AAA batteries) as well as a Bluetooth-ready workstation PC.
HART modems also allow the Rosemount Transmitter Interface Software (RTIS)
to communicate with HART devices using a PC USB or serial port. The RTIS is a
PC-based application that performs configuration and maintenance functions for
the Rosemount 520 Transmitter. The Rosemount 520 is not shipped with the
RTIS; the RTIS can be ordered separately.
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1.3 Confirm HART Revision capability
If using HART-based control or asset management systems, confirm the HART
capability of those systems prior to transmitter installation. Not all systems are
capable of communicating with HART Revision 7 Protocol.
1.4 Confirm correct device driver
Verify the latest device driver (DD/DTM™) is loaded on your system to ensure
proper communication.
Download the latest DD/DTM at EmersonProcess.com.
2.0 Handling
Proper handling of the Rosemount 520 is critical. To avoid damaging the
transmitter, avoid doing the following:
Lifting by the cable if the transmitter is mounted with fittings
Removing the protective diaphragm cap before installation
Applying pressure to the diaphragm using fingers, tools, or sharp objects
Using sharp objects to clean the diaphragm
Submerging or blocking the vent tube
Bending the cable within a radius of less than 90mm
3.0 Mount the transmitter
Note
All installation methods described in the following sections are grounded. If a different installation
method is used, the transmitter must be grounded to meet EMC and hazardous location
requirements.
3.1 Internal mounting
1. Secure the bracket to the tank wall.
2. Secure the transmitter by use of the provided spring. The spring is fitted into
the two holes in the bracket. The transmitter can be mounted and
dismounted without the use of tools.
3. Secure the transmitter cable to the tank wall.
Note
Emerson recommends protecting the cable by appropriate means to avoid the cable being
damaged from, for example, sloshing waves.
Emerson recommends installing the transmitter in locations with limited or no turbulence.
Emerson recommends avoiding this specific mounting method for service tanks due to challenges
associated with performing service and maintenance. Other mounting methods, such as pole
mounting, flexible rubber tube mounting and flexible PTFE tube mounting are recommended for
installation inside service tanks.
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Figure 1. Installation Drawing
A. Optional junction box
B. Optional bulkhead fitting
C. Dead zone
D. Lowest tank bottom
E. Transmitter
F. Mounting bracket
G. Mounting spring
A
B
C
D
F
E
G
38
Ø 12
55
125
160
50
41
194.5
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3.2 Pole mounting
1. Install a suitable deck socket on top of the tank.
2. Secure the transmitter inside the pipe by use of the provided nut and gasket.
The recommended torque is 20 N-m.
Figure 2. Installation Drawing
A. Optional junction box
B. Tank top
C. Dead zone
D. Lowest tank bottom
E. Transmitter
F. Pipe max. length 2000 mm (yard supply)
G. Gasket
H. Welding nipple for pole, length 40 mm
I. 1-in. end cap
A
B
CD
F
E
H
IG
34
26
40
30
193
24
26
41
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3.3 1-in. pipe end mounting
1. Secure the provided nipple pipe to the tank wall or to a ball valve.
2. Secure the transmitter to the nipple pipe by use of the provided nut and
gasket. The recommended torque is 20 N-m.
Figure 3. Installation Drawing
A. Optional junction box
B. Tank top
C. Dead zone
D. Tank bottom
E. Vent pipe
F. Gasket
G. Nut
H. Nipple pipe, length 80 mm
I. Transmitter
J. Ball valve (yard supply)
A
B
C
D
E
F
JHGI
34 26 30
25
55
80
193 24
26 41
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3.4 Flange mounting
1. Install a suitable flange connection to the tank wall.
2. Secure the provided flange to the tank flange connection.
3. Secure the transmitter in the flange by use of the provided nut and gasket. The
recommended torque is 20 N-m.
Note
Emerson recommends installing a ball valve between the tank wall and transmitter to
facilitate transmitter service and maintenance.
Figure 4. Installation Drawing
A. Optional junction box
B. Refer to Table 1
C. Tank top
D. Refer to Table 1
E. Dead zone
F. Tank botto m
G. Vent pipe
H. Flange
I. Gasket
J. Transmitter
K. Refer to Table 1
L. Nipple pipe connector
C
A
G
FE
I
DK
BH
LJ
d
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Table 1. Flange Size for Flange Mounting
Standard D (mm) B (mm) K (mm) d x n (mm)
DN25 PN16 115 16 85 14 x 4
DN40 PN16 150 18 110 18 x 4
JIS25A—16K 125 14 90 19 x 4
JIS40A—16K 140 16 105 19 x 4
1-in. ANSI/150 108 16 79 16 x 4
11/2-in. ANSI/150 127 17.5 98.6 16 x 4
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3.5 Flange with 1-in. ball valve mounting
1. Install a suitable flange connection to the tank wall.
2. Secure the provided flange and ball valve to the tank flange connection.
3. Secure the transmitter in the ball valve by use of the provided nut and gasket.
The recommended torque is 20 N-m.
Figure 5. Installation Drawing
A. Optional junction box
B. Refer to Table 2
C. Tank top
D. Refer to Table 2
E. Dead zone
F. Tank botto m
G. Vent pipe
H. Flange
I. 1-in. ball valve
J. 1-in. nipple pipe connector 1-to 1-in.
K. Refer to Table 2
L. Gasket
M. 1-in. nut
N. Transmitter
Table 2. Flange Size for Flange with 1-in Ball Valve
Standard D (mm) B (mm) K (mm) d x n (mm)
DN25 PN16 115 16 85 14 x 4
JIS25A—16K 125 14 90 19 x 4
1-in. ANSI/150 108 16 79 16 x 4
A
G
C
FE
HIJ
LMN
64
315
DK
d
B
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3.6 Flexible rubber tube mounting
The transmitter and flange are secured to the rubber tube by tightening clips.
This is done by the factory, prior to delivery.
1. Install a suitable pipe in the tank.
2. Insert the rubber tube into the pipe and secure the provided flange to the
deck socket.
Figure 6. Installation Drawing
A. Optional junction box
B. Refer to Table 3
C. Tank top
D. Refer to Table 3
E. Dead zone
F. Lowest tank bottom
G. Transmitter
H. Washer
I. Tightening clip
J. Rubber tube
K. Refer to Table 3
L. Flange
M. Cable gland PG11, DIN 89280
Table 3. Flange Size for Flexible Rubber Tube and PTFE Tube
Standard D (mm) B (mm) K (mm) d x n (mm)
DN50 PN16 165 19 125 18 x 4
JIS50A—16K 155 20 120 19 x 4
2-in. ANSI/150 153 19 120 19 x 4
A
C
E
F
G
I
H
M
I
L
J
D
K
B
d
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3.7 Flexible PTFE tube mounting
The transmitter is secured to the PTFE tube by a nut and a ferrule. The PTFE tube is
secured to the flange by fittings. This is done by the factory, prior to delivery.
1. Install a suitable pipe in the tank.
2. Insert the PTFE tube into the pipe and secure the provided flange to the deck
socket.
Note
The recommended minimum tube bending radius is 130 mm.
Figure 7. Installation Drawing
A. Optional junction box
B. Refer to Table 3
C. Tank top
D. Refer to Table 3
E. Dead zone
F. Lowest t ank b ottom
G. Transmitter
H. Spacer
I. HY-Lok nut and ferrules
J. HY-Lok fitting with nut and ferrules
K. Refer to Table 3
L.Hydraline SV 1/2-in. PTFE hose braided with stainless steel
M. Hydraline SB hose jacket
N. Hose fitting with BSP 1/2-in. male thread
O. Flange
P. Cable gland PG11, DIN 89280
A
C
EFG
I
J
M
H
L
N
O
M
B
D
K
d
P
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4.0 Connect wiring and power up
4.1 Signal cable
Shielded twisted pair cable should be used for best result. Use wire with minimum
diameter of 0.51 mm (24 AWG). To ensure the functionality of the digital
communication the following table shall be used to determine the maximum
signal cable length:
Note
The calculated signal cable lengths are based on a conventionally constructed
cable with a capacitance equal to or less than 200 pF/m.
Maximum allowed transmitter cable length for installation in hazardous area is
75 m. Maximum allowed total cable length, transmitter cable plus signal
cable, must be determined by IS loop calculations.
4.2 Transmitter cable
The vent tube must be directed to an area with atmospheric pressure. If the
transmitter cable terminates in an area with overpressure or negative pressure
relative to the atmospheric pressure in the tank, the vent tube must be directed
to an area with atmospheric pressure equal to the pressure inside the tank.
4.3 Power supply
The power supply and load limitations are described in Figure 8 below. The total
resistance load is the sum of the resistance of the signal cable and the load
resistance of the controller, indicator, and related equipment. Note that the
resistance of intrinsic safety barriers, if used, must be included.
Table 4. Signal Cable Length
Transmitter cable length Signal cable maximum length
0 m < x 25 m 825 m
25 m < x 50 m 770 m
50 m < x 100 m 660 m
100 m < x 200 m 440 m
200 m < x 300 m 220 m
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Figure 8. Load Limitation
Maximum loop resistance = 43.5 x (Power supply voltage – 10)
HART communication requires a minimum loop resistance of 250 ohm.
4.4 Wiring diagrams
Figure 9. Point-to-Point
A. Field Communicator or PC with HART modem
B. Rosemount 520
Table 5. Load Resistance and Voltage Supply Limits
Parameter Limit
R1() 250
R2 ( ) 1130
Vmin (V) 10
V1(V) 15.75
V2(V) 36


~
A
B
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Figure 10. Multidrop
A. Field Communicator or PC with HART modem
B. Rosemount 520
~
A
BBB
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5.0 Verify transmitter configuration (optional)
Transmitters are shipped from Emerson fully configured per request or by the
standard factory default configuration. The configuration can be verified using
any HART capable configuration tool. Configuration instructions for the Field
Communicator are included in this step. See Rosemount 520 Reference Manual
for configuration instructions using AMS Device Manager or the Rosemount
Transmitter Interface Software (RTIS).
5.1 Verify configuration using the Field Communicator
A Rosemount 520 Device Driver (DD) must be installed on the Field
Communicator to verify configuration. Emerson recommends installing the latest
DD to access the complete functionality. Visit www.emerson.com for more
information.
Fast Key sequences for the latest DD are shown below in Table 6. A check ()
indicates the basic configuration parameters. At minimum, these parameters
should be verified as part of configuration and startup.
Table 6. Fast Key Sequences (Device Revision 2, DD Revision 1)
Function Fast Key sequence
Alarm and Saturation Levels 2, 2, 2, 5, 7
Damping 2, 2, 1, 1, 5
Range Values 2, 2, 2
Tag 2, 2, 6, 1, 1
Units 2, 2, 1, 1, 4
Analog Output Alarm Direction 2, 2, 2, 5, 2
Transfer Function 2, 2, 1, 1, 6
Digital Zero Trim 3, 4, 1, 3
Upper Sensor Trim 3, 4, 1, 1
Lower Sensor Trim 3, 4, 1, 2
Scaled D/A Trim (4–20 mA Output) 3, 4, 2
Digital to Analog Trim (4–20 mA Output) 3, 4, 2
Date 2, 2, 6, 1, 5
Descriptor 2, 2, 6, 1, 6
Message 2, 2, 6, 1, 7
Long Tag 2, 2, 6, 1, 2
Scaled Variable 3, 2, 3
Burst Mode 2, 2, 4, 3
Rerange with Keypad 2, 2, 2, 1
Loop Test 3, 5, 1
Sensor Temperature/Trend 3, 3, 2
Simulate Digital Signal 3, 5, 2
Transmitter Security (Write Protect) 3, 4, 4, 1
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6.0 Trim the transmitter (optional)
Devices are calibrated by the factory. Once installed, it is recommended to
perform a zero trim. A zero trim is a single-point adjustment to compensate for
mounting position. When performing a zero trim, ensure the vent tube is vented
to atmospheric pressure.
6.1 Zero trim using the Field Communicator
1. Connect the Field Communicator
(see “Connect wiring and power up” on page 13 for instructions).
2. At the main menu, input the 3, 4, 1, 3 Fast Key sequence.
3. Follow the commands to perform a zero trim.
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7.0 Product Certifications
Rev 1.0
7.1 European Directive Information
A copy of the EU Declaration of Conformity can be found at the end of the Quick Start Guide.
The most recent revision of the EU Declaration of Conformity can be found at
Emerson.com/Rosemount.
7.2 Europe
I1 ATEX Intrinsic Safety
Certificate: Baseefa15ATEX0075X
Standards: EN60079-0:2012+A11:2013, EN60079-11:2012
Markings: II 1 G Ex ia IIC T4 Ga (–40 °C Ta +85 °C)
Special Condition for Safe Use (X):
1. The Rosemount 520 Transmitter enclosure is manufactured of titanium and may
present a frictional ignition risk and must be protected from impact or abrasion if
located in a zone 0.
2. When a junction box is not used, the free ends of the cable must be afforded a degree of
protection of at least IP20.
3. The optional polyester junction box present a potential electrostatic ignition risk and
must not be rubbed or cleaned with a dry cloth.
Installation in Hazardous Locations
When installing the Rosemount 520 in hazardous areas, to reduce the risk of electrostatic
charges the resistance of the titanium transducer to earth should be less than109Ω.
7.3 International
I7 IECEx Intrinsic Safety
Certificate: IECEx BAS 15.0050X
Standards: IEC60079-0:2011, IEC60079-11:2011
Markings: Ex ia IIC T4 Ga (–40 °C Ta +85 °C)
Table 7. Input Parameters
Parameter HART
Voltage Ui30 V
Current Ii200 mA
Power Pi1.0 W
Capacitance Ci42 nF
Inductance Li77 H
Table 8. Input Parameters
Parameter HART
Voltage Ui30 V
Current Ii200 mA
Power Pi1.0 W
Capacitance Ci42 nF
Inductance Li77 H
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Special Condition for Safe Use (X):
1. The Rosemount 520 Transmitter enclosure is manufactured of titanium and may
present a frictional ignition risk and must be protected from impact or abrasion if
located in a zone 0.
2. When a junction box is not used, the free ends of the cable must be afforded a degree of
protection of at least IP20.
3. The optional polyester junction box present a potential electrostatic ignition risk and
must not be rubbed or cleaned with a dry cloth.
Installation in Hazardous Locations
When installing the Rosemount 520 in hazardous areas, to reduce the risk of electrostatic
charges the resistance of the titanium transducer to earth should be less than109Ω.
7.4 Additional Certifications
SBS American Bureau of Shipping (ABS) Type Approval
Certificate: 15-HS1462157-PDA
Intended Use: Marine & Offshore Applications – Pressure transmitter used for
determining tank levels
SBV Bureau Veritas (BV) Type Approval
Certificate: 43940
Requirements: Bureau Veritas Rules for the Classification of Steel Ships
Application: Class notations: AUT-UMS, AUT-CCS, AUT-PORT and AUT-IMS;
Pressure transmitter type 520 cannot be installed on diesel engines
SLL Lloyd’s Register (LR) Type Approval
Certificate: 16/60006
Requirements: Lloyd’s Register’s Type Approval System and Test Spec 1.
Application: ENV Categories 1-4
SDN Den Norske Veritas (DNVGL) Type Approval
Certificate: TAA000007Z
Requirements: Det Norske Veritas’ Rules for Classification of Ships, High Speed and
Light Craft, and Det Norske Veritas’ Offshore Standards
Application:
Location classes
Type 520
Temperature B
Humidity B
Vibration A
EMC A
Enclosure D/IP66/IP68
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Figure 11. Rosemount 520 Declaration of Conformity
EU Declaration of Conformity
No: RMD 1107 Rev. C
Page 1 of 2
We,
Rosemount, Inc.
8200 Market Boulevard
Chanhassen, MN 55317-9685
USA
declare under our sole responsibility that the product,
Rosemount 520 Level Transmitter
manufactured by,
Rosemount, Inc.
8200 Market Boulevard
Chanhassen, MN 55317-9685
USA
to which this declaration relates, is in conformity with the provisions of the European Union
Directives, including the latest amendments, as shown in the attached schedule.
Assumption of conformity is based on the application of the harmonized standards and, when
applicable or required, a European Union notified body certification, as shown in the attached
schedule.
(si
g
nature)
Vice President of Global Quality
(function name -
p
rinted)
Chris LaPoint
(name -
p
rinted)
1-Feb-19
(date of issue)
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