SICK AG
Poppenbütteler Bogen 9 b · 22399 Hamburg · Germany
Trademarks
Swagelok is a trademark of the Swagelok Company.
Other product names used in this document may also be trademarks and are only used for identification purposes.
Original documents
The English edition 8016234 of this document is an original
document of SICK AG.
SICK AG assumes no liability for the correctness of an unauthorized translation.
Please contact SICK AG or your local representative in case of
doubt.
Legal information
Subject to change without notice
Warning Symbols
Hazard (general)
Hazard in potentially explosive atmospheres
Hazard by explosive substances/mixtures
Hazard by toxic substances
Warning Levels / Signal Words
WARNING
Risk or hazardous situation which could result in severe personal
injury or death.
CAUTION
Hazard or unsafe practice which could result in personal injury or
property damage.
NOTICE
Hazard which could result in property damage.
Information Symbols
Information on product characteristics with regard to
protection against explosions
ACAlternating Current
IP XY International Protection (also: Ingress Protection);
degree of protection of a device according to IEC/
DIN EN 60529. The digit X designates protection
against contact and impurities, Y protection against
moisture.
Important technical information for this product
Important information on electric or electronic functions
Only use the Enclosure GMS815P-PS-2G/-3G in potentially explosive atmospheres
when permitted according to the zone, explosion group and temperature class specifications (refer to the type plate → p. 10, §2.1).
▸
Observe and follow the “special requirements” of the approval (→ p. 8, §1.5).
▸
Observe and follow the Operating Instructions delivered with the pressurized enclosure
system as well.
▸
Only allow skilled persons having knowledge of the relevant rules and regulations for
potentially explosive atmospheres to carry out installation, start-up, maintenance and
test – e.g.:
– Range specification
– Ignition protection types
– Installation regulations, e.g. “Regulation concerning electrical equipment in hazard-
ous areas (ElexV)”
▸
Only have the device repaired by the manufacturer or by trained and authorized skilled
persons.
▸
Do not make any unauthorized modifications to the device.
1.4Additional documentation/information
This document supplements the Operating Instructions “GMS800 Series”. It extends these
Operating Instructions with technical information on the Enclosures GMS815P-PS-2G and
GMS815P-PS-3G.
▸
Observe the Operating Instructions delivered with the “GMS800 Series”.
The “GMS800 Series” Operating Instructions also specify all further documents belonging to the individual device.
NOTICE:
▸
Pay primary attention to any individual information delivered.
Other documents delivered
Operating Instructions for the pressurized
enclosure system
Operating Instructions for the main switch
Operating Instructions for the Zener
barriers
[1] Only for versions with intrinsically safe signal connections (→ p. 24, § 3.9)
Subject to change w ithout notice
[1]
▸
Observe during start-up and shutdown.
▸
Observe when installing the mains connection (→ p. 19, §3.5.3).
▸
Observe when installing intrinsically safe
signal connections.
1.5.1Approval conditions for the Enclosure GMS815P-PS-2G
Extract from the approval document:
1. The volume flow of sample gas on the system must be restricted to maximum
100 dm³/h.
2.– Sample gases must not be combustible,
or
– sample gas concentrations must always be maximal 25% of the LEL,
or
– sample gases can be combustible but not explosive; the oxygen part must be
below 2% by volume and less than 80% of the upper explosion limit.
3. Sample gas lines connected must be checked for leak tightness and strength using
1.5 times the maximum allowable pressure.
4. Wait at least 60 minutes after disconnecting from the mains voltage before opening
the enclosure (refer to the warning information).
5. Observe manufacturer's Operating Instructions especially with regard to the resistance of the relevant seal materials and gas lines against the sample gases.
Important Information
1.5.2Approval conditions for the Enclosure GMS815P-PS-3G
Extract from the approval document:
1. – Sample gases must not be combustible,
or
– sample gas concentrations must always be maximal 25% of the lower explosion
limit (LEL).
2. Sample gas lines connected must be checked for leak tightness and strength using
1 Gas analyzer enclosure, top sectionContains the power supply unit, operating
unit, I/O module
2 Safety information→ p. 28, §4.2
3 Gas analyzer enclosure, bottom sectionContains the Analyzer module, Gas module
4 Bonding load connection→ p. 19, §3.5.2
5 Pressurized enclosure system
6 Protective gas outlet→ p. 16, §3.3.2
7 Operating unit of the pressurized enclosure systemOnly for Enclosure GMS815P-PS-2G
[1]
8 Protective gas inlet→ p. 16, §3.3.1
9Type plate→ p. 10, §2.1
10 Power relayFor mains voltage
11 Main switch→ p. 19, §3.5.3
12 Bonding load connection→ p. 19, §3.5.2
13 Interface box→ p. 20, §3.7.1
– Sample gas connections
[2]
→ Operating Instructions for GMS800 series
gas analyzers
– Option:
[1] → Operating Instructions of the pressurized enclosure system
[2] On the underside of the gas analyzer enclosure (not shown)
Subject to change w ithout notice
[2]
Span gas connection
or connection for second sample gas path
or purge gas connection for an Analyzer module
● Usable in potentially explosive atmospheres in the particular zone, explosion group and
temperature class specified on the type plate (→ p. 10, §2.1).
● Limitations on product variants to be maintained vary when measuring combustible
gases (→ p. 8, §1.5).
● The interface box (→ p. 11, Fig. 1) is always fitted on the Enclosure GMS815P-PS-2G and
is an option for the Enclosure GMS815P-PS-3G.
▸
If the Enclosure GMS815P-PS-3G does not have an interface box fitted:
Maintain the requirements in accordance with EN 60079-2 “Explosive
atmospheres – Part 2: Equipment protection by pressurized enclosure “p””
/Section 7.
● Function of the interface box → p. 20, §3.7.1
● It may be necessary to use the interface box due to the planned operating
conditions.
2.2.3Options
● Intrinsically safe signal connections
● Interface box (only for GMS815P-PS-3G)
● Version for temperature class “T6” (in preparation)
Product Description
2.3Function of the pressurized enclosure system
Purpose
The pressurized enclosure prevents an explosive atmosphere being created inside the
enclosure. To this purpose, the gas analyzer enclosure is filled with a protective gas. Apart
from that, it also ensures the gas pressure inside the gas analyzer enclosure is higher than
the ambient air pressure.
Safety functions
● The enclosure is pre-purged automatically before start-up. The mains supply for the gas
analyzer is first switched on afterwards.
● The mains supply of the gas analyzer is switched off automatically should the pressurized enclosure not be in the correct operating state (malfunction).
Functionality during operation
The pressurized enclosure system functions in “leakage compensation” operating mode: A
certain protective gas pressure is created in the gas analyzer enclosure after pre-purging
has completed. If the protective gas pressure drops below the minimum pressure set, protective gas feed is activated until the rated pressure is reached again.
On the Enclosure GMS815P-PS-2G, a certain amount of protective gas leaks out of the gas
analyzer enclosure through the protective gas outlet. This means the protective gas feed is
activated often to restore the pressure. This creates a more or less permanent protective
gas flow with the required flowrate.
The pressurized enclosure system requires a permanent supply of a protective gas.
▸
Feed the protective gas via the protective gas connection (→ p. 11, Fig. 1).
▸
Type and feed parameters of the protective gas → p. 35, §6.8.1
3.3.2Discharging protective gas
▸
Make sure the protective gas can flow out of the protective gas outlet without opposing
pressure → p. 11, Fig. 1.
▸
Only allow the protective gas to escape into the surrounding area when it is ensured
that the escaping protective gas does not cause
– a suffocation risk for persons
– a poisoning risk when the internal sample gas path has a leak.
CAUTION: Risk of suffocation
Inert gas escapes permanently out of the protective gas outlet (gas free of oxygen). Considerably more inert gas escapes during pre-purging. There is a risk
of suffocation for people in the area when inert gas enriches the surrounding
air.
▸
If the protective gas can cause a risk of suffocation: Discharge the escaping protective gas at a safe location.
Installation
WARNING: Hazard through an internal gas leak
If the internal sample gas path has a leak, the protective gas being discharged
contains an unknown concentration of sample gas.
▸
If the sample gas can be dangerous (e.g. dangerous to health or combustible): Discharge the escaping protective gas at a safe location.
● Connection for Enclosure GMS815P-PS-2G: Thread G 1"
● Connection for Enclosure GMS815P-PS-3G: Thread G
Observe the basic information and safety information concerning feeding sample gas:
InformationDescribed in document
Function of sample gas connections “GMS800 Series” Operating Instructions
Specifications for sample gas feedSupplementary Operating Instructions for the
Analyzer modules fitted
▸
The approval requirements have priority (→ p. 34, § 6.5).
● Gas connection positions → p. 32, §6.1
● Technical details for gas connections → p. 34, §6.5
3.3.4Feeding purge gas to an Analyzer module (option)
Only valid for versions with purge gas connections for an Analyzer module
▸
Feed the required purge gas via the “purge in” gas connection and discharge the purge
gas via the “purge out” gas connection as described in the Supplementary Operating
Instructions of the Analyzer module.
▸
Feed and discharge purge gas so that the purge gas pressure in the enclosure is not
above 15 mbar (approval condition).
The mains cable must comply with standard IEC 60227 or IEC 60245.
▸
Only use cables approved for use in the potentially explosive atmosphere involved.
▸
Only use cables with suitable outer diameters (→ Ta ble 1 ).
▸
Fit connected cables fixed, i.e. fasten cables along the whole length.
Table 1Cable diameters
Device componentCable inlets
Mains switch/mains connectionAll7 … 12 mm
Interface box
[1] Further technical requirements on the mains cable → p. 34, §6.6.
3.4.2Closing off cable inlets correctly
The cable inlets are sealed when delivered.
Small version5 … 10 mm
Large version6 … 12 mm
Installation
Suitable for cables with
outer diameter
[1]
▸
Seal all cable inlets “vapor-proof” (almost gas-tight) before start-up.
▸
Only open those cable inlets to be used for installing cables. Keep the plugs. Refit the
original plug when a cable inlet must be closed again afterwards.
The cable inlets are part of the approval.
▸
Do not replace cable inlets with a different type of cable inlet.
3.6Alarm signal of the pressurized enclosure system
The pressurized enclosure system activates an alarm signal when it is interrupted. The
alarm signal can be reported via a relay switching contact.
● Enclosure GMS815P-PS-2G: The alarm switching contact connections are in the con-
trol unit of the pressurized enclosure system (→ Pressurized Enclosure System Operating Instructions).
● Enclosure GMS815P-PS-3G: Switching contact relay “Operating current circuit 2” is
available in the control unit of the pressurized enclosure system.
▸
Configure the pressurized enclosure system so that the alarm signal activates this
switching contact (→ Pressurized Enclosure System Operating Instructions).
▸
Connect the alarm signal lines to this switching contact.
3.7Signal connections (I/O) in the interface box
– Only valid for versions with interface box –
● Signal connections for versions without interface box → p. 22, §3.8
● Function of signal connections → “I/O module” Supplementary Operating
Instructions.
Installation
3.7.1Function of the interface box
Signal connections of the gas analyzers are not directly available on the I/O modules in the
enclosure but in the interface box (→ p. 21, Fig. 2). Not all signal connections can be used
with the interface box but just 16 signal lines (standard terminal assignment→ p. 21, Fig. 2).
Each signal line in the interface box runs via a relay switching contact. If the pressurized
enclosure system is not ready for operation or is interrupted, the relay switching contacts in
the interface box are open, i.e. the signal lines are interrupted.
3.7.2Connecting signal cables in the interface box
▸
Connect all signal lines in the interface box.
– Terminal assignment→ p. 21, Fig. 2
– Connection terminals → p. 21, Fig. 3
▸
Function of signal connections → “I/O module” Supplementary Operating Instructions.
▸
For versions with intrinsically safe signal connections (option): Observe the information on intrinsically safe signal connections (→ p. 24, §3.9).
Only valid for the GMS815P-PS-3G with intrinsically safe signal connections.
3.9.1Technical layout of the intrinsically safe signal connections
When desired, some of the analog outputs, digital inputs and digital outputs can be realized as intrinsically safe signal connections. Additional modules are fitted for this purpose
(Zener barriers). All intrinsically safe connections can be configured according to customer
requirements.
● Terminal assignment → Individual information delivered with the device
● Technical information on intrinsically safe signal connections → Operating Instructions
of the Zener barriers
Fig. 5Zener barriers for intrinsically safe signal connections
Installation
3.9.2
Special technical data for intrinsically safe signal connections
Signal connectionParameterSpecification
Analog outputs
[1]
Maximum voltage on connection terminals:13 V
Allowable load:0 … 200 Ω
Digital inputs
Digital outputs
[1] Observe information on zero potential (→ p. 25, § 3.9.4)
Maximum voltage on connection terminals:26.5 V
Internal resistance:300 Ω
Subject to change w ithout notice
Page 25
Installation
3.9.3Installation information for intrinsically safe signal connections
Cable installation
▸
Connect each signal cable for intrinsically safe signal connections to one built-in additional module (→ p. 24, Fig. 5).
▸
Install the signal cables in compliance with EN 60079-11 (“Explosive Atmospheres Part 11: Equipment protection by intrinsic safety “i””).
▸
Maintain electronic limit values (→ p. 25, §3.9.4).
▸
Install all components of a signal circuit intrinsically safe.
WARNING: Risk of explosions
Intrinsically safe installations must maintain a certain clearance from other
electrical equipment (specifications see EN 60079-11).
▸
Lay intrinsically safe signal cables so that the required safety distance to
equipment not intrinsically safe is ensured everywhere.
3.9.4Electronic alarm settings for intrinsically safe signal connections
Intrinsic safety of the connected intrinsically safe signal circuit is only ensured when the
power circuit, including cables, maintains the limit values specified below.
CAUTION: Lower limit values could possibly be applicable
Lower limit values could be applicable for the individual application case. The
composition of the explosive atmosphere is decisive here.
▸
Determine the highest allowable limit values for the individual application
case using the European standard EN 60079-0 “Explosive atmospheres.
Equipment. General requirements”.
▸
If this results in limitations: Note these limitations (e.g. in this document)
and consider during installation.
The Zener barriers used for analog outputs each have 2 channels. One channel is normally used for each analog output. In this case, the analog outputs of
a single Zener barrier have a common negative pole (integrated in the Zener
barrier) which means they are not separated potential-free from each other.
Limit values for intrinsically safe analog outputs
Parameters of the intrinsically safe power circuitAllowable value
Channel 1/Channel 2Combined
Total inductivity L
Total capacity C
L
A/RA
Limit values for intrinsically safe digital inputs and digital outputs
Parameters of the intrinsically safe power circuitAllowable value
Total inductivity L
Total capacity C
L
Approval type:EU Type Examination Certificate
Certificate number:TÜV 10 ATEX 555433 X
Device identification:→ p. 10, §2.1
Special conditions:→ p. 8, §1.5.1
Approval for Enclosure GMS815P-PS-3G
Approval type:Declaration of Conformity
Certificate number:TÜV 10 ATEX 555946 X
Device identification:→ p. 10, §2.1
Special conditions:→ p. 8, §1.5.2
6.3Enclosure specifications
Design
– Gas analyzer enclosure:Closed steel sheet enclosure, split vertically, 2 front
– Other enclosure:Closed plastic enclosure
Dimensions:→ p. 32, §6.1
Weight:55 … 57 kg (depending on equipment)
Highest surface temperature: 348 K (75 °C / 167 °F)
doors, degree of protection IP 65
6.4Ambient conditions
Atmospheric influences:Only for use indoors
Allowable contamination:Degree of contamination 3
Fitting position (allowable offset):
Geographic height at installation location:
Ambient air pressure:
Allowable oscillations (amplitude):
Allowable vibrations (acceleration):
Jolts:≤ 15 g over 11 ms
Relative humidity:10 … 95%, non-condensing
Ambient temperature during operation:+5 … +40 °C (41 … 113 °F)
Transport /storage temperature:–10 … +70 °C (14 … 158 °F)
[1] Dry and wet contamination that can be electrically conductive
[2] Observe DIN 15267-3, DIN EN 60068-2-26; as well as specifications for built-in Analyzer modules
[3] Shock test in accordance with DIN EN 60068-2-27
[2]
[2]
[1]
→ Supplementary Operating Instructions for the Analyzer Modules fitted
0.035 mm in range 5 … 59 Hz
5m·s-2 in range 59 … 160 Hz
ConnectionDesignationSuitable for
Inlet:Swagelok 8 mmMetal tube with 8 mm outer Ø
Outlet for Enclosure GMS815P-PS-2G:Thread G 1"Screw fitting
Outlet for Enclosure GMS815P-PS-3G:Thread G
Sample gas connections
ConnectionDesignationSuitable for
Standard:Swagelok 6 mmMetal tube with 6 mm outer Ø
Option:Swagelok ¼“ Metal tube with ¼“ outer Ø
Approval conditions for sample gas feed
ParameterAllowable value
Sample gas pressure in enclosure:–500 … +1000 hPa (–0.5 … +1.0 bar)
Sample gas volume flow:Max. 100 dm
Approval conditions for purge gas feed for an Analyzer module
ParameterAllowable value
Maximum purge gas pressure in
enclosure:
3
/4"Screw fitting
3
/hour
15 hPa (15 mbar)
Technical Data
● Protective gas connection position → p. 32, §6.1
● Protective gas feed parameters → p. 35, §6.8
● Sample gas connection positions → p. 32, §6.1
● Sample gas connections function → “GMS800 Series” Operating Instruc-
tions
● Other specifications for sample gas → Supplementary Operating Instructions for the Analyzer module fitted
6.6Mains connection
Mains voltage
– Enclosure GMS815P-PS-2G:120 V AC ± 10% or
– Enclosure GMS815P-PS-3G:115 V AC ± 10% or
Mains frequency (AC):47 … 63 Hz
Allowable overvoltages:Transient overvoltages in supply network must not exceed Over-
Power input:50 VA / max. 300 VA
Internal mains fuses
– Primary:6.3 A (not exchangeable)
– Secondary:10 A (exchangeable fusible cutout)
Required connection cable
– Conductor cross-section:≥ 0.75 mm
– Version:IEC 60227 or IEC 60245
[1] Depending on device version; refer to type plate for appropriate value (→ p. 10, §2.1)
[2] Replace the power supply unit after triggering
[3] F1 on the “fuse board” – spare part: “ET fuse F10A0“, Part No. 2062251.
6.8.4Pressurized enclosure system setting for Enclosure GMS815P-PS-3G
Pressurized enclosure system used: Gönnheimer F840
F840S parametersSetting
Purging:Yes
Purging method:Auto no
Output function A1:Ex-protection OK
Output function A2:Ex-protection OK
[1]
A1 control direction A1:Normally open (no)
A2 control direction A1:Normally open (no)
Purge time:7.5 minutes
Volume:No value
Minimum pre-purging pressure:7 mbar
Minimum pressure in operation:0.8 mbar
Maximum pressure during operation:15 mbar