Emerson Rosemount 2130 Bedienungsanleitung

Quick Start Guide

00825-0100-4130, Rev CC

July 2017

Rosemount™2130 Level Switch

Vibrating Fork

July 2017

Quick Start Guide

NOTICE

This installation guide provides basic guidelines for the Rosemount 2130. It does not provide instructions for

detailed configuration, diagnostics, maintenance, service, troubleshooting, or installations. Refer to the

Rosemount 2130 Reference Manual for more instruction. Manuals are available electronically on

Emerson.com/Rosemount

Failure to follow these installation guidelines could result in death or serious injury.

The Rosemount 2130 Vibrating Fork Level Switch (“level switch”) must be installed, connected,

commissioned, operated, and maintained by suitably qualified personnel only, observing any national

and local requirements that may apply.

Ensure the wiring is suitable for the electrical current and the insulation is suitable for the voltage,

temperature, and environment.

Use the equipment only as specified. Failure to do so may impair the protection provided by the

equipment.

Any substitution of non-recognized parts may jeopardize safety and is under no circumstances allowed.

The weight of the level switch with a heavy flange and extended fork length may exceed 37 lb (18 kg).

A risk assessment is required to be done before carrying, lifting and installing the level switch.

Explosions could result in death or serious injury.

Installation of the level switch in a hazardous environment must be in accordance with the appropriate

local, national, and international standards, codes, and practices. Please review the Product Certifications

section for any restrictions associated with a safe installation

Verify that the operating atmosphere of the level switch is consistent with the appropriate hazardous

locations certifications.

External surface may be hot.

Care must be taken to avoid possible burns.

Process leaks could result in death or serious injury.

Install and tighten process connectors before applying pressure.

Do not attempt to loosen or remove process connectors while the level switch is in service.

Electrical shock could cause death or serious injury.

If the level switch is installed in a high voltage environment and a fault condition or installation error

occurs, high voltage may be present on leads and terminals.

Use extreme caution when making contact with the leads and terminals.

Make sure that power to the level switch is off while making connections.

Quick Start Guide

July 2017

1.0 Introduction

1.1 Overview of the Rosemount 2130

The Rosemount 2130 Level Switch (“level switch”) uses vibrating short fork

technology, and is suitable for virtually all liquid applications.

The level switch is designed using the principle of a tuning fork. A piezo-electric

crystal oscillates the forks at their natural frequency (~1400 Hz). Changes to this

frequency are continuously monitored. The frequency of the vibrating fork sensor

changes depending on the medium in which it is immersed. The denser the

liquid, the lower the frequency.

When used as a low level alarm, the liquid in the tank or pipe drains down past the

fork, causing a change of natural frequency that is detected by the electronics

and switches the output state to a dry condition. When the level switch is used as

a high level alarm, the liquid rises in the tank or pipe, making contact with the fork

which then causes the output state to switch to a wet condition.

The level switch continuously performs instrument health diagnostics to

self-check the condition of the fork and sensor. These diagnostics can detect

damage to the forks including corrosion, internal or external damage to the forks,

and breakages to the internal wiring. Any of these conditions will trigger the

'heartbeat' LED to pulse intermittently, followed by safe handling of the electrical

load. The level switch has a ‘heartbeat’ LED that indicates its operating state. The

LED flashes when the switch output is ‘off’ and is constantly lit when 'on'.

Figure 1. Rosemount 2130 Features

A. Direct Load, PLC/PNP, DPCO Relay, E. Threaded, flanged, or hygienic

Fault + Alarm Relays (2 x SPCO), process connections

NAMUR, or 8/16 mA electronics F. Thermal Tube in 316/316L SST

B. NEMA®Type 4X (IP66/67) housings in (2130***E only)

aluminum or 316 SST G. Magnetic test point

C. Short fork length with extensions H. Two cable/conduit entries

up to 118 in. (3 m). Fast drip design

D. Wetted material in 316/316L SST,

solid Alloy C and Alloy C-276, or

ECTFE/PFA coated 316/316L SST

July 2017

Quick Start Guide

2.0 Before installation

2.1 General considerations

The weight of the Rosemount 2130 Level Switch (“level switch”) with a heavy

flange and extended fork length may exceed 37 lb. (18 kg). A risk assessment

is required to be done before carrying, lifting, and installing the level switch.

Handle the level switch with great care (Figure 2).

Figure 2. Handling the Rosemount 2130

The level switch is available as intrinsically safe or explosion-proof/flameproof

versions for hazardous area installations (see page 19 for approvals). There are

ordinary location versions of the level switch for unclassified, safe areas.

This level switch is designed for open or closed tanks, and pipe installation. It is

weatherproof and protected against the ingress of dust, but must be

protected from flooding (Figure 3).

The 2130***E operates in extreme process temperatures of –94 to 500 °F

(–70 to 260 °C), and the 2130***M operates in mid-range process

temperatures of –40 to 356 °F (–40 to 180 °C).

Figure 3. Environmental Considerations

OK OK

OKOK

Quick Start Guide

July 2017

Ensure there is adequate space outside the tank or pipe. A clearance of 1.2 in.

(30 mm) is required for the housing cover to be removed.

Always ensure a proper seal by installing the electronics housing cover so that

metal contacts metal. Use Rosemount O-rings.

Always ground the housing in accordance with national and local electrical

codes. The most effective grounding method is a direct connection to earth

(ground) with minimal impedance. Use the fork earth for housings with NPT

conduit entries.

2.2 Installation recommendations

Avoid installing near liquid entering the tank at the fill point.

Avoid heavy splashing on forks. Increasing time delay reduces accidental

switching.

Avoid installing near heat sources.

Ensure the forks do not come into contact with the tank/pipe wall or fittings.

Allow a distance between product build-up on the tank wall and the fork

(Figure 4).

Figure 4. Avoid Product Build-up

July 2017

Quick Start Guide

3.0 Physical installation

1. Install the level switch according to standard installation practices, making

sure to correctly align the fork using the alignment notch or groove (Figure 5).

2. Use supports for extended fork lengths greater than 3.2 ft. (1 m). Refer to the

Rosemount 2130 Reference Manual for guidance.

3. Close the housing cover and tighten to safety specification. Always ensure a

proper seal so that metal touches metal, but do not over tighten.

4. Insulate the level switch with ROCKWOOL®. Refer to the Rosemount 2130

Reference Manual for guidance.

Figure 5. Example Installations

A. PTFE for NPT and BSPT (R) thread D. Fork alignment notch

B. Gasket for BSPP (G) thread E. Fork alignment notch

C. Fork alignment groove

Threaded

installation

Flanged

installation

Quick Start Guide

July 2017

4.0 Electrical installation

Before use, check that suitable cable glands and blanking plugs are fitted

and fully tightened.

Isolate supply before connecting the switch or removing the electronics.

The functional earth terminal must be connected to an external

earthing system.

4.1 Direct load switching cassette (two-wire, red label)

High level Dry = ON Low level Wet = ON

LED on continuously LED flashes each

second LED on continuously LED flashes each

second

Direct Load

Switching

WARNING

Isolate Supply

Before Removing

OPERATION MODE

Dry On Mode

Dry

Wet

Wet On Mode

Dry

Wet

Dry On Wet On

Seconds Delay

0.3 0.3

123

LINE

LOAD

(Ground)

Neutral Live

Fuse 2A(T)

R = External load (must be fitted)

U = 20 - 264V ~(ac) (50/60Hz)

OFF

< 4 mA

= 20 - 500 mA

U = 20 - 60 V (dc

)

OFF

< 4 mA

IL=20 - 500 mA

DPST

= 5 A, 40 ms (inrush)

= Load On

= Load Off

Dry On Wet On

Seconds Delay

0.3 0.3

Dry On Wet On

Seconds Delay

0.3 0.3

10 3

U

N L

0V +V

Fuse

2A(T)

12V

DPST

Fuse

2A(T)

N L

0V +V

<4mA

DPST

U

N L

0V +V

Fuse

2A(T)

12V

DPST

Fuse

2A(T)

N L

0V +V

<4mA

DPST

July 2017

Quick Start Guide

4.2 PNP/PLC cassette (three-wire, yellow label)

High level Dry = ON Low level Wet = ON

PLC (positive input)PNP dc

LED on continuously LED flashes each

second LED on continuously LED flashes each

second

OPERATION MODE

Dry On Mode

Dry

Wet

Wet On Mode

Dry

Wet

Dry On Wet On

Seconds Delay

0.3 0.3

123

OUT

PLC/PNP

Isolate Supply

Before Removing

(Ground)

0VO/P

U = 20- 60 V (dc)

I < 4 mA +I

(

MAX

)= 0-500 mA

OUT(ON)

2.5 V

L(OFF)

< 100A

Fuse 2A(T)

= 5 A, 40 ms (inrush)

Dry On Wet On

Seconds Delay

0.3 0.3

Dry On Wet On

Seconds Delay

0.3 0.3

10 3

OUT

PLC

I/P

<3V I

OUT

PLC

I/P

<100 A

OUT

PLC

I/P

<3V I

OUT

PLC

I/P

<100 A

OUT

<3V

Fuse

1A(T)

OUT

Fuse

1A(T)

< 100 A

OUT

<3V

Fuse

1A(T)

OUT

Fuse

1A(T)

< 100 A

Quick Start Guide

July 2017

4.3 DPCO Relay cassette (dark green label)

High level Dry = ON Low level Wet = ON

LED on continuously LED flashes each

second LED on continuously LED flashes each

second

NC CNO

NC NO

789

NOCNC

RELAY

123

456

NOCNC

OPERATION MODE

Dry On

Dry

Wet

Wet On

Dry

Wet

Dry On Wet On

Seconds Delay

0.3 0.3

10 3

Isolate Supply Before RemovingWarning

Resistive Load

cos φ= 1 ;

L/R = 0 ms

Inductive Load

Fuse 0.5 (T)PE

(Ground)

DPST

0V +V

Live U = 20...264 V ~ (ac)

(50/60 Hz)

U = 20...60 V (dc)

I < 6 mA

IMAX = 5 A

UMAX = 250 V

PMAX = 1250 VA

UMAX = 30 V

PMAX = 240 W

cos φ= 0.4 ;

L/R = 7 ms

IMAX = 3.5 A

UMAX = 250 V

PMAX = 875 VA

UMAX = 30 V

PMAX = 170W

Dry On Wet On

Seconds Delay

0.3 0.3

Dry On Wet On

Seconds Delay

0.3 0.3

10 3

NC NOC

NC NOCNC NOC

NC NOC

NC NOCNC NOC

NC NOC

July 2017

Quick Start Guide

4.4 Fault and Alarm Relays (2 x SPCO) cassette (light green label)

High level Dry = ON Low level Wet = ON

LED on continuously LED flashes each

second LED on continuously LED flashes each

second

NC CNO

NC NO

789

NOCNC

123

456

NOCNC

Alarm Fault

OPERATION MODE

Dry On

Dry

Wet

Wet On

Dry

Wet

Dry On Wet On

Seconds Delay

0.3 0.3

10 3

Isolate Supply

Before Removing

WARNING

Resistive Load

cos φ= 1 ;

L/R = 0 ms

ac:

dc:

Inductive Load

Fuse 0.5 (T)PE

(Ground)

DPST

0V +V

Live U = 20...264 V ~ (ac)

(50/60 Hz)

U = 20...60 V (dc)

I < 6 mA

IMAX = 5 A

UMAX = 250 V

PMAX = 1250 VA

UMAX = 30 V

PMAX = 240 W

cos φ= 0.4 ;

L/R = 7 ms

ac:

dc:

IMAX = 3.5 A

UMAX = 250 V

PMAX = 875 VA

UMAX = 30 V

PMAX = 170 W

FAULT RELAY

Dry On Wet On

Seconds Delay

0.3 0.3

Dry On Wet On

Seconds Delay

0.3 0.3

10 3

NC NOCNC NOC

(No alarm) (No fault)

NC NOC

(Alarm) (No fault)

NC NOCNC NOCNC NOC

(No alarm) (No fault)

NC NOC

(Alarm) (No fault)

NC NOC

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