Eurotherm 2408i User Manual

Eurotherm 2408i User Manual

Indicator and alarm unit
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2408 i Indicator and Alarm Unit
1 User Guide
Thank you for choosing the 2408i panel mounted indicator. It will provide accurate measurement and display of
temperature and other process variables. A modular build accepts a wide range of plug-in modules allowing: up
to four alarm outputs, two process variable (PV) inputs, direct strain gauge/pressure sensor measurements, custom
linearisation, analogue retransmission, remote setpoint (SP) input and digital communications.
The indicator is supplied configured in accordance with the order code. The order code and instrument serial
number is shown on a label fixed to the top of the case, and this can be checked against the order code given in
section 3 of these instructions.
1.1
CONTENTS OF PACKAGE
1.
A peel-off label set - a convenient position is to fix a label to the top right of
the display.
2.
A 2.49Ω resistor used as the load resistor for mA inputs
3.
Two panel retaining clips
1.2
DIMENSIONS AND INSTALLATION
96 mm (3.78 in)
E
U
R
48 mm
O
T
(1.89 in)
H
E
AL1
AL2
AL3
R
M
Latching ears (top & bottom)
1.2.1 To Install the Indicator
Please read the safety information in section 4 before proceeding.
The indicator is intended to be mounted on a panel within an enclosure such as a control cubicle.
1. Prepare the panel cut-out to the size shown.
2. Insert the indicator through the cut-out.
3. Spring the panel retaining clips into place. Secure the indicator in position by holding it level and pushing both retaining clips forward.
4. Peel off the plastic film protecting the front of the indicator.
92
X
45 mm
-0.0
+0.8
-0.0 +0.6
3.62
X
1.77 in
0.0 +0.03
-0.0 +0.02
Panel cut-out
1.2.2 Removing The Indicator From The Sleeve
The indicator can be removed from its sleeve by easing the latching ears outwards and pulling it
!
forward out of the sleeve. When plugging the indicator back into its sleeve, ensure that the
latching ears click into place to maintain the moisture sealing protection.
This indicator meets the European directives on safety and EMC
2408 I
AL4
ACK/
RESET
o
o
C
F
m/s
cm/s
x10
1x10
p.s.i
bar
p.s.i.x1
mmHg
0
Panel retaining clips
Recommended minimum
spacing of indicators
38mm (1.5in)
(Not to scale)
38mm (1.5in)
,
K
kPa
V
mV
l/h
mWG
A
mA
l/min
T/h
%
%RH
mbar
mPas
%pH
pH
2
Kg/cm
gal/min
rev/min
mile/h
Amps
150mm (4.01in)
ENG

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Summary of Contents for Eurotherm 2408i

  • Page 1 2408 i Indicator and Alarm Unit 1 User Guide Thank you for choosing the 2408i panel mounted indicator. It will provide accurate measurement and display of temperature and other process variables. A modular build accepts a wide range of plug-in modules allowing: up to four alarm outputs, two process variable (PV) inputs, direct strain gauge/pressure sensor measurements, custom linearisation, analogue retransmission, remote setpoint (SP) input and digital communications.
  • Page 2: Electrical Connections

    ELECTRICAL CONNECTIONS 3D 3C 2B 2A Configurable Plug-in Module Be sure to check the Connections Module 3 Module 2 Module 1 correct supply voltage before applying power Comms Module PDS Input Module Plug-in Communications Module HF HE JF JE Connections Sensor inputs Power Supply Connections V- V+...
  • Page 3: Operation

    2 Operation Switch on the indicator. After a 3 second self-test sequence, you will see the display shown below. This is called the ‘HOME’ display. Operator Buttons The default is Process Increase parameter value Value (PV). (see 1.7.2 for other HOME display Decrease parameter value options) Select parameter...
  • Page 4: Alarm Relay Output

    They can be attached to operate an output (relay) in the same way as an alarm. 2.2.1 Types of Alarm Used In The 2408i This section shows graphically the operation of different types of alarm used in the indicator. The graphs show changes in PV plotted against time.
  • Page 5: Alarm Indication

    2.2.3 Alarm Indication An alarm occurs when the process conditions exceed a pre-set level (setpoint). It will be displayed on the indicator as follows:- The relevant alarm beacon will begin to flash A four character alarm message will be shown as a double flash in the main display. This message specifies the alarm number (first character) and the type of alarm that has occurred (next three characters).
  • Page 6: Diagnostic Alarms

    2.2.5 Diagnostic Alarms In addition to the process alarms given in the previous column the following diagnostic alarms may also appear. These warn that a fault exists in either the indicator or the connected devices. Alarm What it means What to do about it ))h)S Electrically Erasable Memory Error: The value of This fault will automatically select configuration level.
  • Page 7 2.2.8 To Change The Alarm Setpoints (trip levels) Parameters are grouped in ‘lists’ according to their function. Each list has a heading. button steps through the parameter list headings (see section 2.4.1.) The first list is the alarm setpoints list ) Do This This Is The Display You Additional Notes...
  • Page 8: Parameter Tables

    TO ACCESS AND CHANGE PARAMETER VALUES Parameters are settings within the indicator, which determine how it will operate. Examples are Alarm Setpoints and Tare Values already mentioned. They are organised into different lists. Each list has a named heading which describes a particular subject, for example ‘Alarms’...
  • Page 9: Alarm List

    For information on further levels of access, see the following sections. Details of configuration are not included in this operation guide. A full engineering reference and configuration manual is available from the Eurotherm web site or as a booklet, part number HA027240.
  • Page 10: Ordering Code

    Module 3 Relay Comms Manual number colour voltage Output 1 Module Module 2408i Function Relay Output 1 Modules 1, 2 and 3 Comms module Indicator/Alarm unit Not fitted Module not fitted Module not fitted Profibus Indicator Alarm Relay output (change-over)
  • Page 11: Safety And Emc Information

    4 Safety and EMC Information Enclosure of live parts The indicator must be installed in an enclosure to prevent hands or Safety metal tools touching parts that may be electrically live. This indicator complies with the European Low Voltage Directive Caution: Live sensors 73/23/EEC, amended by 93/68/EEC, by the application of the safety The alarm acknowledge/keylock input is electrically connected...
  • Page 12: Technical Specification

    Fax (+47 66) 803331 Eurotherm Automation SA Service: (01903) 695444 Telex 380893 EUROTH I Telephone Lyon (+33 478) 664500 SPAIN Eurotherm España SA Fax (01903) 695666 Fax (+33 478) 352490 JAPAN Telephone (+34 91) 6616001 Countries not listed - enquiries/orders to:...

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