Consilium PG11 Manuale utente
Operating Manual PG11 / PGE11 Page 1
Operating Manual PG11 / PGE11 Page 2
Warnings
!
It is important that the manual is carefully read in its entirety. The manual shall be read and
understood by those having the responsibility for the Operation and Maintenance of the product. If
the product is not used and maintained in accordance with the manufacturer’s instructions, the
product may not perform as intended.
!
Warranties with respect to the product are voided if the product is not used and maintained as
described in this manual. Warranties are also voided if product is used outside temperature and
vibration certified ranges. Please read the general warnings in the separate chapters.
!
Please see the
Abbreviations
chapter for a description of abbreviations and foreign words.
Operating Manual PG11 / PGE11 Page 3
Table of contents
1 Product Description and detection principle 5
1.1 Technical Specifications 6
1.2 Dimensions PG11 7
1.3 Dimensions PGE11 8
1.4 Detection principle of PG11 and PGE11 10
2 Safety and Warnings PG11 11
3 Installation 11
3.1 Installation checklist 11
3.2 Preparations and Positioning considerations 12
3.3 Mounting the detector 13
3.3.1 Pole mounting 14
3.3.2 Duct or pipe mounting 14
3.4 Electrical connections and Earthing 16
3.4.1 Booting up the Gas Detector 17
3.4.2 Performing loop test 18
3.5 Environment Shield for PG11 18
3.6 Sunshade 19
3.7 Mosquito net 20
4 Commissioning the Gas Detector 20
5 Operation 21
5.1 Function test 21
5.1.1 PG11 function check with the “Gas Test kit” 22
5.1.2 PG11 Function check with the “Gas Test kit” 23
5.1.3 PG11 Function check using the “Gas nozzle” 23
5.1.4 PG11 Function check with the “Remote Gas Test kit” 24
5.1.5 PGE11 short and medium Function check 26
5.2 Perform a check of the Gas Detector accuracy 27
6 Maintenance 28
6.1 Cleaning of optics - lens and mirror 28
6.2 Inspecting detector for damage 28
6.3 Keeping a stable Zeroing of the Detector 29
6.3.1 The OptoBAS™ function 29
6.3.2 Manual zero adjustment 29
6.4 Self Diagnostics 29
Operating Manual PG11 / PGE11 Page 4
6.4.1 Downloading Self diagnostics datalog 30
6.5 The Blocking kit - Protection during site Maintenance 30
7 Signal outputs 31
7.1 Detector status flags 31
7.2 Light indicator 32
7.3 Analog Safety output 33
7.4 HART® 34
7.4.1 HART® electrical connection 34
8 Warranty 34
9 Certifications and standards 34
9.1 Directives and standards 34
9.2 Approvals and Certificates 35
9.3 Marking 35
9.3.1 Certification 35
9.3.2 Vendor information 35
9.3.1 Serial number and year of manufacturing 35
9.4 Specific conditions of use 36
10 Troubleshooting 36
11 Accessories and Spare Parts 38
12 Product coding and Ordering information 40
13 The OptoCom™ module 42
14 Abbreviations 43
15 Safety Manual 43
16 Support and Contact details 43
Operating Manual PG11 / PGE11 Page 5
1 Product Description and detection principle
PG11 is an explosion proof rugged Optical Gas Detector for the detection of flammable gases and CO2. The
detector comes calibrated for life from the factory and requires very little effort to install and maintain.
The PG11 is built for long maintenance intervals in very demanding environments such as extreme
temperatures and tough vibrations. It has built in condition monitoring that enables better maintenance
planning and less risk of unplanned shutdowns.
In the figure below, the PG11 Optical Gas Detector has the following parts:
A. Multicolour indicator light.
B. Sapphire lens
C. Sapphire mirror with heating
D. Mounting leg.
E. Two entries for cable glands M20. On request 1/2”NPT, 3/4"NPT, and M25.
F. Cover terminal compartment.
G. Sign plates with certification details.
Operating Manual PG11 / PGE11 Page 6
1.1 Technical Specifications
Detection
technology
Gas Detection by Dual band Optical absorption in target gases.
Solid-state Infrared SafeSource™. Temperature compensated Optical Gas detection for rugged applications
Gases and
maximum
measuring
range
Detector configured from factory for one of the following gases with 100 %vol as maximum range:
●Methane
●Propane
●Ethylene
●Butane
●CO2
●Biogas (mixture of CH4 in CO2)
Ambient
conditions
Temperature
Humidity
Vibration
Severe vibration conditions
Storage: -60 to +85°C / -76 to +185°F
Operating: -40 to +75°C / -40 to +167°F (Desert)
-40 to +65°C / -40 to +149°F (Standard)
-55 to +65°C / -76 to +149°F (Arctic)
0 - 99 %RH
Resistant to shock and vibration.
Tested for mounting on applications such as diesel engines and compressors
(vibrations up to 4G).
Electrical
Cable entry
M20 (standard), M25, 1/2" NPT or 3/4" NPT
Maximum conductor size
2.5 mm² (Stranded), 4 mm² (Solid)
Supply voltage
24 V DC, range 18 - 50 VDC
Power consumption
< 3 W average (standard configuration)
< 5 W average (arctic configuration)
Start-up current
Soft boot-up to keep rush current less than 1 A
Performance
key
characteristics
Accuracy
± 3 %FS*
Repeatability
± 1% FS*
Response time
T90 ≤2 sec, with Environment Shield
T20 ≤0.5 sec, with Environment Shield
Start-up time
Ambient above -20°C
Ambient below -20°C
< 2 minutes,
< 20 minutes
Calibration
Calibrated at the factory, no field calibration shall be done.
Signal outputs
Analog output
Current source or sink 4 - 20 mA
HART® digital communication
RS-485 serial port
Modbus RTU for OptoCom™ modules, Safety protocols or Condition monitoring.
Status indicator light
Multicolour indicator light in front of detector.
Miswiring
protection
The electronics have been designed to withstand powering up the detector with terminal wires accidentally
being swapped.
Self-test
Continuous self-verification of all important functions.
Housing
Housing material
Stainless steel 316
Weight
3.4 kg (3.9 kg with the optional steel rear lid)
Ingress Protection
IP66 and IP67
Operating Manual PG11 / PGE11 Page 7
Approvals
ATEX / IECEx
Ex db eb ib IIC T5 Gb
North America
Class I, Division 1, Groups B, C and D (Pending)
Various
MED, BV, LR, DnV GL, ABS type approvals
Safety Integrity
SIL2, and SIL3 in 1oo2 redundancy setup (Pending)
* The accuracy is specified for room temperature +25°C.
1.2 Dimensions PG11
Mount
Width
Operating Manual PG11 / PGE11 Page 8
Length
and
height
1.3 Dimensions PGE11
The PGE11 comes in three lengths with dimensions shown below.
Mount
Width
Operating Manual PG11 / PGE11 Page 9
Length
and
height
Operating Manual PG11 / PGE11 Page 10
1.4 Detection principle of PG11 and PGE11
PG11 is using an Optical Detection principle. The basic working principle is illustrated in the drawing below
and consists of the following basic parts:
A. Infrared light (2 –6 µm region) is generated at the
light source
and directed at the
B.
sapphire lens
focusing the light so it is passing through the
C.
gas
to be measured. The gas will absorb some wavelengths depending on the type of gas. The
higher concentration of the gas the more light is absorbed. After passing through the gas the
remaining light is
D. reflected by a
mirror
and back through the gas again reaching the lens directing the light at
E. the
light sensors
. The light sensors will measure what wavelengths that have been absorbed and how
much light has been absorbed. Based on this information the Gas Detector can decide if the target
gas is above the
alarm level
.
In addition to the basic principles described above there are more functions in the detector that are
compensating for changes for example by temperature and component aging over time.
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