ICS Schneider Messtechnik WIKA EGS80 Manual de usuario

Operating instructions

Digital limit switch, model EGS80

With regard to the supply of products, the current issue of the following document is applicable:

The general terms of delivery for products and services of the electrical industry, as published

by the central association of the "Elektrotechnik und Elektroindustrie (ZVEI) e.V.",

including the supplementary clause "Extended reservation of title".

70101419 2018-12

Trip Amplifier EGS80X002001

Table of contents

Trip Amplifier EGS80X002001

Table of contents

1 Symbols Used . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

2 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

2.1 Range of Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3 Safety Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

4 Installation and Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

4.1 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

4.2 Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

4.2.1 Connection Input (Field Circuit) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

4.2.2 Connection Output. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

4.3 Field Device Communication via HART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

4.4 Front Side. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

5 Display Modes and Fault Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

6 Editing Device Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

6.1 Parameterization Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

6.1.1 Invocation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

6.1.2 Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

6.1.3 Navigation Method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

6.1.4 Lowest Menu Level: Select Values, Enter Numeric Values . . . . . . . . . . . . . . . . . . . . . . . 15

6.2 Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

6.3 Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

6.3.1 Line Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

6.3.2 Zero Point and Conversion Factor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

6.3.3 Linerization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

6.3.4 Smoothing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

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Trip Amplifier EGS80X002001

Table of contents

6.4 Relays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

6.4.1 Operating Behaviour. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

6.4.2 Trip and Hysteresis. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

6.4.3 Alarm Freeze. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

6.4.4 Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

6.5 Current Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

6.5.1 Characteristic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

6.5.2 Fault Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

6.5.3 Start Value and End Value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

6.6 Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

6.7 Default Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

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Trip Amplifier EGS80X002001

Symbols Used

1SymbolsUsed

This symbol warns of possible danger.

Failure to heed this warning may result in personal injury or death, or property damage,

including destruction.

This symbol warns the user of a possible fault.

Failure to heed this warning can lead to total failure of the device and any other

connected equipment.

This symbol draws attention to important information.

Warning

Attention

Note

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Trip Amplifier EGS80X002001

Overview

2Overview

2.1 Range of Application

The devices are used for transmitting signals between field devices and a process control system/control system.

Transmitters are measuring units that provide an output signal consisting of a unit current signal

(4 mA to 20 mA). A transmitter power supply provides a transmitter with power and processes the

current signal.

The devices converts a fully parameterizable

partition of input signal in a proportional output

current (4 mA to 20 mA).

This output signal will be transferred to

indicators or to analogue inputs on the process

control system/control system, for example.

Both relay outputs of the device can monitor

two fully parameterizable trip values of the input

signal.

More information can be found on certificates and

datasheets.

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Trip Amplifier EGS80X002001

Safety Instructions

3 Safety Instructions

The device may only be operated by trained professionals in a manner corresponding to

this operating manual.

The protection of operating personnel and of the system is only ensured if the devices

are used in accordance with their intended purpose. Any other type of operation than

that described in this manual places the safety and functionality of the devices and

systems connected to them in question.

The devices may only be installed, connected, and adjusted by electrical professionals

outside the hazardous area.

If faults cannot be eliminated, the devices must be taken out of operation and protected

from being placed in service again inadvertently. Devices must only be repaired directly

by the manufacturer. Tampering with or making changes to the devices is dangerous

and therefore not permitted. They render the warranty void.

The responsibility for the adherence to local safety standards lies with the operator.

Warning

Note

This text is adapted to the new edition of the Ex-

protection manual, if this is available

70101419 2018-12

Trip Amplifier EGS80X002001

Installation and Connection

4 Installation and Connection

4.1 Installation

The devices can be mounted on a 35 mm DIN mounting rail according to

DIN EN 60715. The devices must be snapped onto the rail vertically, and

never slanted or tipped to the side.

Dimensions of the device in mm

The device is constructed in protection degree IP20 and must therefore be protected

from undesirable ambient conditions (water, small foreign objects).

Attention

40 mm (1.6") 115 mm (4.5'')

46 mm (1.82'')58 mm (2.28'')

119 mm (4.7'')

104 mm (4.1'')

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Trip Amplifier EGS80X002001

Installation and Connection

4.2 Connection

The removable terminals of the KF-series considerably simplify

the connection and the switch cabinet assembly. They make it

possible to replace devices quickly and without fault if a

customer service becomes necessary.

Terminals are equipped with screws, are self-opening,

have a large connection area for a wire cross-section

up to 2.5 mm² and coded plugs, making it impossible to mix

them up.

70101419 2018-12

Trip Amplifier EGS80X002001

Installation and Connection

4.2.1 Connection Input (Field Circuit)

The non-intrinsically safe field circuit is connected to the terminals 1 to 3.

In both cases you can connect the following field devices:

1. a 2-wire transmitter

2. an active current source

24 V DC

1. 2.

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