Dynisco EIT Series Manual de usuario
1
Operating manual
EIT Series
Intrinsically safe pressure transmitter
for industrial application
II2G
ATEX100A
CE
2
Table of Contents
Content
General
Notes on safety
Technicaldata
Function
Transport/
delivery
Installation
Commissioning
Maintenance
Accessories
Troubleshooting
-Declaration of
conformity
Ex-Declaration
of conformity
Chapter
1
2
3
4
5
6
7
8
9
10
11
12
Page
3
3
7
13
15
16
22
24
25
26
27
28
Icon
3
Operating manual
1. General
1.1 Important information 3
1.2 Copyright 3
1.3 Explanation of icons 4
1.4 Abbreviations 4
1.5 Correct use 4
1.6 User’s obligations 4
1.1 Important information
This manual applies to the EIT series only. It must
be kept near the equipment in a readily and
immediately accessible location at all times.
The content of this manual must be read,
understood and followed in all points by all relevant
people. This applies in particular to the notes on
safety. Following the safety instructions will help to
prevent accidents, defects and malfunctions.
DYNISCO will not be held liable for any injury, loss
or damage resulting from failure to follow the
instructions in this manual.
If malfunctions occur in spite of having followed the
operating instructions, please contact the
DYNISCO customer service department (see
chapter 8, Maintenance).
This applies in particular during the warranty
period.
1.2 Copyright
Copyright law requires that this manual be used for
in-house purposes only.
All reproduction, even partially and for in-house
purposes, requires the approval of DYNISCO. This
manual may not be forwarded to third parties.
4
1.3 Explanation of icons
The manual uses icons to indicate information
pertaining to safety:
Risk of destruction or damage to
equipment, machines or installations
General danger to life or limb
The safety instructions are provided again in the
individual chapters of the manual.
1.4 Abbreviations
The following abbreviations are used:
OM operating manual
PT pressure transducer
f.s. of full scale
1.5 Correct use
The EIT pressure transmitter is for measuring
pressure in industrial explosive environments (safety
class II 2G EEx ia IIC T5 up to 75°C, II 2G EEx ia IIC
T1-T4 up to 80°C) as part of a larger overall system.
Type specific installation of the PT with:
- Internal thread ISO 228/1 - G¼ (EIT 332)
- Screw-in trunnion with external thread
DIN 3852-A G¼A (EIT 352)
- Thread M18 x 1.5 (EIT 372)
The safety and accident prevention regulations
specific to the application must be followed.
When using the PT as a safety component in
accordance with the EC Machine Directive,
Annex IIc, the equipment manufacturer must
take any necessary precautions to ensure that
malfunctions of the PT cannot cause damage or
injury.
1.6 User’s obligations
The operator or owner of the larger overall system,
e.g. a machine, is responsible for following the safety
and accident prevention regulations that apply to the
specific application.
5
Operating manual
2. Notesonsafety
The operator or owner of the larger overall
system is responsible for following the
safety and accident prevention regulations
that apply to the specific application.
When planning machinery and using the
PT, follow the safety and accident
prevention regulations that apply to your
application, e.g.:
●EN 60204, Electrical equipment in
machines.
●EN 292, Machine safety, general design
guidelines.
●DIN 57 100 Part 410, Protection against
electric shock.
●EN 50 014, Electrical equipment for
explosive atmospheres, general
provisions
●EN 50 020, Intrinsic safety “i”
Mounting and electrical connection of the
PT must be done by specialists with EMC
training, following all applicable regulations,
and in pressureless, voltage-free,
intrinsically safe condition with the
machine switched off.
The machine must be secured against
being switched back on!
Ambient temperature for the electronics
housing max. +75°C (safety class T5;
T1 - T4 max. +80°C).
Higher temperatures can result in damage
and malfunction. Do not install the
pressure transmitter in places where this
temperature is exceeded.
Explosion hazard!
Deviation of the supply voltage from the
value given in the technical specifications,
or false polarity, can damage the pressure
transmitter and cause malfunctions that
can pose a risk of explosion.
6
Operate only with an intrinsically safe,
EMC compliant power supply with the
following specifications:
Supply voltage max. 28 V DC
Current output max. 93 mA
Power output max. 690 mW
Inductivity max. 1 mH
Capacity max.
53 nF
Explosion hazard!
The pressure transmitter must be
connected using a 2x2-core, twisted cable
(blue cable sheath).
Do not lay connecting cables in the direct
vicinity of cables carrying higher voltage or
used to switch inductive or capacitive
loads.
7
Operating manual
3. TechnicalData
3.1 Ordering guide 7
3.2 Ordering example 7
3.3 Safety related specifications 8
3.4 Performance characteristics 8
3.4.1 Accuracy 8
3.4.2 Repeatability 8
3.4.3 Resolution 8
3.5 Pressure side connection 8
3.6 Pressure ranges 9
3.6.1 Pressure ranges in bar 9
3.6.2 Max. Overload 9
3.6.3 Burstpressure 9
3.6.4 Limit frequency 9
3.7 Electrical Data 9
3.8 Temperature influence 9
3.9 EMC requirements 10
3.10 Materials 10
3.11 Max. Mounting torque 10
3.12 Environmental protection 10
3.13 Weight 10
3.14 Seal 11
3.15 Dimensions 12
3.1 Ordering guide
EIT 3xx-xx- Option
Pressure range
Output signal
Pressure port
The exact meanings of the letter/digit combinations
are given in the corresponding sections of chapter 3.
3.2 Ordering example
EIT 352 - 5C Intrinsically safe PT
Press. port: 5 = External
thread DIN 3852-A G¼A
Output signal:
2 = 4 - 20 mA, 2-wire
Press. range: 0 - 500 bar
8
3.3 Safety related specifications
ATEX certificate No.: ZELM 01 ATEX 0071
Ex safety class EEx ia IIC T5 up to 75°C
EEx ia IIC T1-T4 up to 80°C
Safety class EEx ia IIC T5 includes the following other
safety classes:
Intrinsic safety “ib”
Explosion groups IIA and IIB
Temperature classes T1 - T4 up to 80°C
Certified maximum values
Associated electrical equipment must satisfy the
following conditions:
Supply voltage max. 28 V DC
Current output max. 93 mA
Power output max. 690 mW
Inductivity max. 1 mH
Capacity max. 53 nF
3.4 Performance characteristics (EIT3x2-xx)
3.4.1 Accuracy
(Linearity and hysteresis at T = constant)
EIT3x2 ±0.3% typ., ±0.5% of full
scale
3.4.2 Repeatability ± 0.1 % of full scale
pressure
3.4.3 Resolution infinite
3.5 Pressure side connection (EIT3X2-xx)
EIT332 Internal thread ISO228/1-G¼
EIT352 Screw-in trunnion with
external thread DIN 3852-A
G¼A
EIT372 Screw-in trunnion with
external thread M18 x 1.5
flush diaphragm
9
Operating manual
3.6 Pressure ranges (EIT3x2-XX)
3.6.1 Pressure ranges in bar
Model number Permitted pressure range
bar
EIT3x2-20 0 - 20 series 372 only
EIT3x2-35 0 - 35 series 372 only
EIT3x2-50 0 - 50
EIT3x2-1C 0 - 100
EIT3x2-1,5C 0 - 150
EIT3x2-2C 0 - 200
EIT3x2-3,5C 0 - 350
EIT3x2-5C 0 - 500
EIT3x2-7C 0 - 700
EIT3x2-1M 0 - 1000
Other pressure ranges on request
3.6.2 Max. Overload (without influencing operating
data)
2 x full scale pressure up to 700 bar
Max. 1500 bar for the 1000 bar range
3.6.3 Burst pressure 4 x full scale pressure
3 x full scale pressure for
the 20 bar and 1000 bar
range
3.6.4 Limit frequency 1.5 kHz [-3dB]
3.7 Electrical data
Configuration 4-arm Wheatstone bridge
strain gauge with int. amplifier
Output signal 2-wire 4 - 20 mA
Strain resistance RL< 750 Ωbei US= 28 V
RL< 145 Ωbei US= 15 V
Supply voltage 15 - 28 VDC -15 % +0 %
over approved electrical
equipment to EN 50 020
power consumption < 20 mA
Calibration function 80 % ± 0,5 % of full scale
(room temperature) output by externally con-
necting contacts E and F
Zero balance min. - 2 % / + 10 % f.s
Range balance ± 10 % of full scale
10
Leakage resistance > 1000 MΩbei 50 V
3.8 Temperature influence
Storage temperature - 45°C to + 120°C
(medium temperature)
Operating temperature - 25°C to + 80°C
(medium temperature)
Max. housing temperatures
Safety class T1 - T4 - 25°C to + 80°C
Safety class T5 - 25°C to + 75°C
Compensated
temperature range 0°C to + 70°C
(medium temperature)
Zero shift due to
temperature change ± 0.1 % f.s. / 10 °C typ.
Sensitivity shift due to
temperature change ± 0.2 % f.s. / 10 °C typ.
3.9 EMC requirements
Conforming to in accordance with EMC directive.
Emitted interference DIN EN 50081-1
(residential area)
Immunity DIN EN 50082-2
(industrial area)
Connecting cables defined as data lines
3.10 Materials
In contact with medium 15-5PH Mat.No. 1.4545
3.11 Max. Mounting torque 22 Nm
3.12 Environmental protection to IEC 529
Pressure transducer IP65 (without connector)
Standard female cable
connector DIN IP40
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