Emerson Rosemount 2051HT Bedienungsanleitung

Quick Start Guide

00825-0300-4591, Rev BA

November 2019

Rosemount™ 2051HT Hygienic Pressure

Transmitter

with PROFIBUS® Protocol

Contents

About this guide...........................................................................................................................3

Transmitter installation................................................................................................................ 6

Basic configuration.....................................................................................................................13

Product certifications................................................................................................................. 16

Quick Start Guide November 2019

2 Emerson.com/Rosemount

1 About this guide

1.1 Safety messages

This guide provides basic guidelines for the Rosemount 2051HT Transmitter.

It does not provide instructions for configuration, diagnostics, maintenance,

service, troubleshooting, Explosion-proof, Flameproof, or intrinsically safe

(I.S.) installations.

CAUTION

The products described in this document are NOT designed for nuclear-

qualified applications. Using non-nuclear qualified products in applications

that require nuclear-qualified hardware or products may cause inaccurate

readings. For information on Rosemount nuclear-qualified products, contact

your local Emerson Sales Representative.

November 2019 Quick Start Guide

Quick Start Guide 3

WARNING

Explosions could result in death or serious injury.

Installation of this transmitter in an explosive environment must be in

accordance with the appropriate local, national, and international standards,

codes, and practices. Review the approvals section of this manual for any

restrictions associated with a safe

•Before connecting a Field Communicator in an explosive atmosphere,

ensure the instruments in the loop are installed in accordance with

intrinsically safe or non-incendive field wiring practices.

•In an explosion-proof/flameproof installation, do not remove the

transmitter covers when power is applied to the unit.

Process leaks may cause harm or result in death.

•Install and tighten process connectors before applying pressure.

•Do not attempt to loosen or remove flange bolts while the transmitter is

in service.

Electrical shock can result in death or serious injury.

•Avoid contact with the leads and terminals. High voltage that may be

present on leads can cause electrical shock.

•Before connecting a handheld communicator in an explosive

atmosphere, ensure the instruments in the loop are installed in

accordance with intrinsically safe or non-incendive field wiring practices.

•In an Explosion-Proof/Flameproof installation, do not remove the

transmitter covers when power is applied to the unit.

Process leaks may cause harm or result in death.

•Install and tighten process connectors before applying pressure.

Physical access

•Unauthorized personnel may potentially cause significant damage to

and/or misconfiguration of end users’ equipment. This could be

intentional or unintentional and needs to be protected against.

•Physical security is an important part of any security program and

fundamental to protecting your system. Restrict physical access by

unauthorized personnel to protect end users’ assets. This is true for all

systems used within the facility.

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4 Emerson.com/Rosemount

WARNING

Replacement equipment or spare parts not approved by Emerson for use

as spare parts could reduce the pressure retaining capabilities of the

transmitter and may render the instrument dangerous.

•Use only bolts supplied or sold by Emerson as spare parts.

Improper assembly of manifolds to traditional flange can damage sensor

module.

For safe assembly of manifold to traditional flange, bolts must break back

plane of flange web (i.e., bolt hole) but must not contact sensor module

housing.

Physical access

•Unauthorized personnel may potentially cause significant damage to

and/or misconfiguration of end users’ equipment. This could be

intentional or unintentional and needs to be protected against.

•Physical security is an important part of any security program and

fundamental to protecting your system. Restrict physical access by

unauthorized personnel to protect end users’ assets. This is true for all

systems used within the facility.

November 2019 Quick Start Guide

Quick Start Guide 5

2 Transmitter installation

Figure 2-1: Installation Flowchart

Start

Mount the

transmitter

Commissioning

tag Done

Zero trim the

transmitter

Configuration

Grounding, wiring,

and power up

Set switches and

software write lock

Locate device

2.1 Mount the transmitter

Adjust the transmitter to desired orientation before mounting. Transmitter

must not be securely mounted or clamped in place when changing

transmitter orientation.

2.1.1 Conduit entry orientation

When installing a Rosemount 2051HT, it is recommended installing so a

conduit entry faces downward toward the ground to maximize drainability

when cleaning.

2.1.2 Environmental seal for housing

Thread sealing (PTFE) tape or paste on male threads of conduit is required to

provide a water/dust tight conduit seal and meets requirements of NEMA®

Type 4X, IP66, IP68, and IP69K. Consult factory if other Ingress Protection

ratings are required.

For M20 threads, install conduit plugs to full thread engagement or until

mechanical resistance is met.

Note

IP69K rating only available on units with a SST housing and option code V9 in

the model string.

Note

For aluminum housings ordered with M20 conduit entries, transmitters

shipped will have NPT threads machined into the housing and a NPT to M20

thread adapter will be provided. Considerations for environmental sealing

listed above should be taken into account when installing the thread

adapter.

Quick Start Guide November 2019

6 Emerson.com/Rosemount

2.1.3 In-line gage transmitter orientation

The low side pressure port (atmospheric reference) on the in-line gage

transmitter is located on the neck of the transmitter via a protected gage

vent (See Figure 2-2).

Keep the vent path free from obstructions including but not limited to paint,

dust, and viscous fluids by mounting the transmitter so the process can drain

away. Recommended installations have a conduit entry facing the ground so

the gage vent port is pointing parallel to the ground.

Figure 2-2: In-line Protected Gage Vent Low Side Pressure Port

Aluminum Polished 316 SST

A. Low side pressure port (atmospheric reference)

2.1.4 Clamping

When installing clamp, follow recommended torque values provided by

gasket manufacturer.

Note

To maintain performance, torquing a 1.5. Tri-Clamp® beyond 50 in-lb is not

recommended on pressure ranges below 20 psi.

2.2 Commissioning (paper) tag

To identify which device is at a particular location use the removable tag

provided with the transmitter. Ensure the physical device tag (PD tag field) is

properly entered in both places on the removable commissioning tag and

tear off the bottom portion for each transmitter.

November 2019 Quick Start Guide

Quick Start Guide 7

Note

The device description loaded in the host system must be at the same

revision as this device.

Figure 2-3: Commissioning Tag

A. Device revision

Note

The device description loaded in the host system must be at the same

revision as this device. The device description can be downloaded from the

host system website or Emerson.com/Rosemount by selecting Download

Device Drivers under Product Quick Links. You can also visit Fieldbus.org and

select End User Resources.

2.3 Setting security switch

Prerequisites

Set Simulate and Security switch configuration before installation as shown

in Figure 2-4.

•The simulate switch enables or disables simulated alerts and simulated

AI Block status and values. The default simulate switch position is

enabled.

•The Security switch allows (unlocked symbol) or prevents (locked

symbol) any configuration of the transmitter.

•Default security is off (unlocked symbol).

•The security switch can be enabled or disabled in software.

Use the following procedures to change the switch configuration:

Quick Start Guide November 2019

8 Emerson.com/Rosemount

Procedure

1. If the transmitter is installed, secure the loop, and remove power.

2. Remove the housing cover opposite the field terminal side. Do not

remove the instrument cover in explosive atmospheres when the

circuit is live.

3. Slide the security and simulate switches into the preferred position.

4. Reattach transmitter housing cover; it is recommended the cover be

tightened until there is no gap between the cover and housing to

comply with explosion proof requirements.

2.4 Setting simulate switch

The simulate switch is located on the electronics. It is used in conjunction

with the transmitter simulate software to simulate process variables and/or

alerts and alarms. To simulate variables and/or alerts and alarms, the

simulate switch must be moved to the enable position and the software

enabled through the host. To disable simulation, the switch must be in the

disable position or the software simulate parameter must be disabled

through the host.

Figure 2-4: Transmitter Electronics Board

Aluminum Polished 316 SST

A. Simulate switch

B. Security switch

November 2019 Quick Start Guide

Quick Start Guide 9

2.5 Connect the wiring and power up

Use copper wire of sufficient size to ensure the voltage across the

transmitter power terminals does not drop below 9 Vdc. Power supply

voltage can be variable, especially under abnormal conditions such as when

operating on battery backup. A minimum of 12 Vdc under normal operating

conditions is recommended. Shielded twisted pair type A cable is

recommended.

Use the following steps to wire the transmitter:

Procedure

1. To power the transmitter, connect the power leads to the terminals

indicated on the terminal block label.

Note

The Rosemount 2051 power terminals are polarity insensitive, which

means the electrical polarity of the power leads does not matter

when connecting to the power terminals. If polarity sensitive devices

are connected to the segment, terminal polarity should be followed.

When wiring to the screw terminals, the use of crimped legs is

recommended.

2. Ensure full contact with terminal block screw and washer. When

using a direct wiring method, wrap wire clockwise to ensure it is in

place when tightening the terminal block screw. No additional power

is needed.

Note

The use of a pin or a ferrule wire terminal is not recommended as the

connection may be more susceptible to loosening over time or under

vibration.

3. Ensure proper grounding. It is important the instrument cable shield

be:

4. Trimmed close and insulated from touching the transmitter housing.

5. Connected to the next shield if cable is routed through a junction

box.

6. Connected to a good earth ground at the power supply end.

7. If transient protection is needed, refer to section “Signal ground

wiring” for grounding instructions.

8. Plug and seal unused conduit connections.

9. Reattach the transmitter covers. It is recommended that the cover be

tightened until there is no gap between the cover and the housing.

Quick Start Guide November 2019

10 Emerson.com/Rosemount

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