Ventev 600756 User manual
Class 1 Divison 2 Enclosure System
Installation and Operation Manual
SKU 600756
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Contents
1 Introduction ....................................................................................................... 5
2 Safety Information and Notes......................................................................... 6
Storage of this Manual.......................................................................................................... 6
Special Conditions for Safe Use / Conditions.................................................................... 6
ATEX/IECEx .......................................................................................................................................................... 6
MET................................................................................................................................................................ 6
List of Notes ........................................................................................................................... 7
3 Installation........................................................................................................ 10
Installation Overview for MET Certified Enclosure ....................................................... 10
Mounting............................................................................................................................... 10
Opening and Closing the Enclosure .................................................................................. 12
Opening the Front Cover Plate................................................................................................................... 12
Closing the Enclosure ................................................................................................................................. 12
Cable Entries......................................................................................................................... 13
Typical Cable Entries and Connections ...................................................................................................... 13
Earthing................................................................................................................................. 14
Protective Earth Connection ...................................................................................................................... 14
Location of Enclosure Earth Bond Points................................................................................................... 14
Electrical Installation .......................................................................................................... 16
Power Supply / Input Connector....................................................................................... 17
Fuse Rating............................................................................................................................ 17
External Overcurrent Protection ...................................................................................... 18
Data Connections ................................................................................................................ 18
Copper Ethernet ......................................................................................................................................... 18
Power-Over-Ethernet (POE)........................................................................................................................ 18
Optical Fiber................................................................................................................................................ 18
Console Port ............................................................................................................................................... 19
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Intrinsically Safe RF Outputs .............................................................................................20
Example of RF Threshold Power Calculation............................................................................................. 20
Antenna Requirements .......................................................................................................22
Antenna Installation............................................................................................................22
Ex Main Enclosure Test .......................................................................................................22
4 Intended Purpose Usage................................................................................. 23
Transportation and Storage ...............................................................................................23
Authorized Persons .............................................................................................................23
Cleaning and Maintenance.................................................................................................23
Cleaning and Maintenance Intervals................................................................................23
Aggressive Substances and Environments ......................................................................23
Exposure to External Stresses ...........................................................................................23
5 Pole Mounting.................................................................................................. 24
6 Technical Data.................................................................................................. 25
7 Marking Information ....................................................................................... 26
ATEX/IECEx.................................................................................................................................................. 26
MET ..............................................................................................................................................................27
8 Type Codes ....................................................................................................... 28
ATEX/IECEx.................................................................................................................................................. 28
MET ............................................................................................................................................................. 28
9 EU Declaration of Conformity ....................................................................... 29
List of Figures ....................................................................................................................... 31
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1: Introduction
Ventev’s Class 1 Div. II Enclosure has been designed to enable the deployment of
popular wireless access points, radio, and communications equipment, or Industrial
Internet of Things (IIoT)/ Industry 4.0 devices in Zone 2 / Division 2 hazardous areas
(gas or dust).
The RF outputs of the enclosure are galvanically isolated to make them intrinsically
safe, allowing users to choose non-certified antennas for use with their wireless
hardware.
A range of wireless devices from multiple manufacturers, including Cisco, Meraki,
and Aruba, have been assessed by our engineers, following the guidelines of our
Notified Body, as suitable for use in the Ventev Class 1 Div. II Enclosure System and
complying with all regulations.
With IP66 / Type 4 (NEMA standards) ingress protection and a Marine grade copper-
free aluminium alloy, e-coat with epoxy powder coated enclosure, the Ventev Class
1 Div. II Enclosure System is suitable for a wide variety of industrial and off-shore
locations including chemical and pharmaceutical plants, oil refineries, FPSOs, and
oil and gas platforms.
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2: Safety Information and Notes
Storageof thisManual
Keep this user manual safe and in the vicinity of the device. All persons required
to work on or with the device should be advised on where the manual is stored.
SpecialConditionsforSafe Use
ATEX/IECEx
1. The equipment is not to be mounted in a high airflow dust-laden atmosphere and should only be cleaned with a
damp cloth.
2. The equipment is to be mounted in a vertical orientation with the Ec connection box at the base.
3. The connection between the antenna and the factory-installed N-type connector shall maintain at least IP54.
4.
The ‘ec’ portion of the enclosure may contain a USB console connection. When fitted, this connection is for service
purposes only and shall not be used in normal operation.
MET
1.
The equipment is not to be mounted in an area with a high airflow dust laden atmosphere, in addition, cleaning
of the enclosure shall only be done with a damp cloth.
2. The enclosure shall only be mounted in a vertical orientation with the top plate face up.
3. The connection between the antenna and the factory installed N-type connector shall maintain at least IP54.
4.
The ‘ec’ portion of the enclosure may contain a USB console connection. When fitted, this connection is for service
purposes only and shall not be used in normal operation.
5.
Temperatures may exceed 70°C at the junction box gland entry point and 80°C at the cable branching point, use
suitably rated cable and cable entry devices.
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ListofNotes
The notes supplied in this chapter provide information on the following:
• Warning!
◦Possible hazard to life or health.
• Caution:
◦Possible property damage.
• Important
◦Possible damage to enclosure, device, or associated equipment.
• Information
◦Notes on the optimum use of the device.
Warning!
Installation of the Ventev Class 1 Div. II Enclosure System is only to be performed by
skilled electricians and instructed personnel in accordance with national legislation.
This contains INTRINSICALLY SAFE circuits.
The Ventev Class 1 Div. II Enclosure System Intrinsically Safe RF output ports are located
in the positions shown in Section 3.4. Only antennas in accordance with Section 3.12 may
be connected to these ports. Refer to Section 3.13 for antenna installation requirements
The Ventev Class 1 Div. II Enclosure System MUST be earthed. It must be connected
to the plant earth system using at least one of the external bonding points, using a
minimum 4mm2 conductor. The earth cable must be installed in accordance with the
requirements of IEC 60079-14. Refer to Section 3.4 for details. The cover plate earth
bond must not be removed.
The Ventev Class 1 Div. II Enclosure System front cover plate earth bond must not be
removed.
The Ventev Class 1 Div. II Enclosure System internal power input connector has an
earth connection, which must be terminated to the protective earth conductor of the
incoming power supply..
The Ventev Class 1 Div. II Enclosure System must NOT be installed in hazardous areas
requiring Category 1, 2, M1, or M2 equipment.
The Ventev Class 1 Div. II Enclosure System enclosure must be secured only with the
bolts supplied, and these must be tightened to the correct torque value. See Section
3.3.2 for details.
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Warning!
The Ventev Class 1 Div. II Enclosure System enclosure must NOT be opened when an
explosive gas or dust atmosphere is present, or when the equipment is energized.
Do not exceed the RF Threshold Power for the equipment group in which the Ventev
Class 1 Div. II Enclosure System and its antennas are to be installed; it must be controlled
in accordance with IEC 60079- 0, and must not exceed the following levels:
IIC – 2W (+33dBm) IIB – 3.5W (+35.4dBm) IIA – 6W (+37.7dBm) III – 6W (+37.7dBm)
See Section 3.11.1 for an example of how to calculate the RF Threshold Power
The Ventev Class 1 Div. II Enclosure System must not be modified in any way.
Hazardous voltages are present within the Ventev Class 1 Div. II Enclosure System.
Hot surfaces may be present on the Ventev Class 1 Div. II Enclosure System enclosure –
observe any warning labels fitted.
Optical radiation hazards may be present within the Ventev Class 1 Div. II Enclosure
System enclosure – observe any warning labels fitted.
The Ventev Class 1 Div. II Enclosure System may weigh up to 55 lbs./25 kg. Exercise care
when handling and mounting.
DO NOT lift the Ventev Class 1 Div. II Enclosure System using threaded entries or N-type
RF connectors. Good manual handling practices should be followed.
User access: Normal user access to the enclosure is through the cover plate and junction box.
Special access: If the main enclosure is opened, the integrity of the main enclosure sealing
must be confirmed by a competent person.
Console port connections can only be used during setup or maintenance activities. They
should not be left connected in a hazardous area.
Internal cells or batteries if applicable must only be replaced with cells or batteries of
the same type.
Ventev Class 1 Div. II Enclosure System’s protective plastic transport caps fitted to all
threaded cable entries MUST be replaced with suitably certified cable glands or stopping
plugs before installation in a hazardous area.
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Warning!
Maintenance and inspection of the Ventev Class 1 Div. II Enclosure System must be
performed in accordance with IEC 60079-17.
Although antennas connected to the Intrinsically Safe RF outputs of the Ventev Class
1 Div. II Enclosure System may be installed in a hazardous area requiring Category 1
equipment, the Ventev Class 1 Div. II Enclosure System enclosure must NOT be installed
in these environments.
Important!
There should be no need to enter the unit and change the fuse as it is resettable.
The Ventev Class 1 Div. II Enclosure System may be powered from several different
power sources, depending on its configuration. Refer to the rating plate of the unit
supplied for details.
Before setting the units to work, read the technical documentation carefully.
The latest version of the technical documentation or the corresponding technical
supplements is valid in each case.
Do not exceed the power supply parameters specified on the Ventev Class 1 Div. II
Enclosure System external rating plate.
Ensure that only the correct fiber transceiver format/power is connected to the Ventev
Class 1 Div. II Enclosure System. Damage to the Ventev Class 1 Div. II Enclosure System
fiber interface or customer equipment may occur if the wrong format/excessive optical
power is used.
Ensure that NO TOOLS come in contact with the gasket of the enclosure, as this may
cause irreparable damage and render the unit unsafe.
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3: Installation
InstallationOverview for METCertified Enclosure
Mount the Ventev Class 1 Div. II Enclosure System to a suitable structure using mounting points shown in Figure 1.
The recommended fixings are:
• M10 Flat Washer Form A DIN125A A4.
•
Socket Cap Head Screw M10 x 30 DIN912 A4-80 (minimum thread length of 30mm). The Thread can be longer to
suit the application.
Connect suitably assessed antennas to RF outputs, Figure 3 marked A-D as appropriate.
• Connection type: N-type.
Apply suitably assessed glands to cable entries, Figure 3 marked E and F as appropriate.
• Thread maximum size is M25x1.5 or 3/4” NPT depending on customer specification.
• Connect cables to glands as required.
Make off connections inside the junction box
• Remove the cover plate and keep the bolts for reassembly
•
When refitting the cover plate, only use supplied bolts and tighten to a torque of 3.5Nm. Check seal position
and condition
Mounting
Mount the Ventev Class 1 Div. II Enclosure System to a suitable structure, using the mounting points shown in Figure 1.
The recommended fixings are:
• M10 Flat Washer Form A DIN125A A4.
•
Socket Cap Head Screw M10 x 30 DIN912 A4-80 (minimum thread length of 30mm). The Thread can be longer to
suit the application.
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OpeningandClosingthe Enclosure
Opening the front cover plate
The front cover plate is shown in Figure 2.
• Remove all bolts using a metric hex key. Store the bolts carefully to avoid damage or loss.
•
Ensure care is taken when removing the cover. Do not use a screwdriver or any other sharp implement to prise
the cover apart as it may damage the sealing gasket.
Closing the Enclosure
• Inspect the gasket to ensure its sealing integrity. If the front cover gasket is damaged, it must be replaced.
• Check all bolts are the correct type and free from damage.
• Re-insert the bolts and hand-tighten them only.
•
Using a torque wrench fitted with a 3mm hex head, tighten the bolts in opposite corners of the enclosure, then
work clockwise around the front cover. Tighten to a torque of 3.5Nm.
Figure 2: Opening the Front Cover Plate.
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Cable Entries
Typical Cable Entries and Connections
Ventev Class 1 Div. II enclosures are supplied with entries and connectors as shown in Figure 3.
•
Connections A-D are INTRINSICALLY SAFE outputs providing galvanically isolated RF signals (see Section 3.10 for
details), carried on conventional 50Ωimpedance N-type female connections. The N-type connections are the front
part of the bulkhead which transit through the enclosure and are approved as part of the ATEX/IECEx certification.
• Apply suitably assessed blanking plugs or cable entry devices to locations marked E and F as appropriate.
◦The standard thread size is M20 x 1.5.
◦Suitably certified M20 IP66 blanking plugs can be fitted.
◦Cable entry devices or adaptors can be fitted to meet IP66.
◦Threaded adaptors may be used according to customer order specifications.
◦The Enclosure may be shipped with thread protectors in cable entries E and F, which are not to be used
for Ex or IP protection.
•
The position and configuration of cable entries and connections can vary. Mark off connections inside the junction box.
◦Remove the cover plate and keep the bolts for reassembly.
◦When refitting the cover plate, only use supplied bolts and tighten to torque 3.5Nm.
◦Check seal position and condition. Refer to Section 3.2.2.
Figures 3: Entries and Connectors.
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Earthing
Protective Earth Connection
The protective earth connection is provided on the power input connector, Figure 6, item B. The protective earth
conductor must have the minimum sizes, Table 1, and must be protected.
Table 1: Protective Earth Connection
The use of non-metallic flexible conduits is not allowed.
Location of enclosure earth bond points
There are two earth bonding points, one inside the junction box and one outside the junction. Torque earth
bonding fixings 3.5Nm.
Inside the junction box, there is an M6 threaded earth bonding point, Figure 4. Removal of the front cover plate is
required to access the area. Before putting in service:
• Perform applicable electrical safety checks.
• Visually check the integrity of seals.
Figure 4: Enclosure Junction Box Earth Bonding Point.
Cover retaining
strap point
Earth bonding plate
CONDUCTOR PROTECTION NON-FLEXIBLE
METAL CONDUIT
Heavy-duty cord jacket, metallic flexible conduit 2.5mm2
Non-flexible metal conduit 1.5mm2
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MET additional information:
•
The Ventev Class 1 Div. II Enclosure System must be connected to the plant earth system using at least one of
the bonding points, using a minimum 4mm2 conductor. The earth cable must be installed in accordance with the
requirements of NFPA 70 and CSA C22.1.
• Assemble the external earth bond as shown in Figure 5.
Outside the Junction Box, an earth bonding point is also provided, Figure 5.
Figure 5: External Earth Bonding Point.
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Power Supply /Input Connector
The mains power connection is a phoenix socket on the PCB. The plug part is Phoenix contact 1795789. It requires a
minimum tightening torque of 0.5Nm. Note wire types in Table 3.
MET additional information:
The actual wire gauge size to be used should be sufficiently rated with regards to the overcurrent protection device
fitted and must be as per the applicable installation code - National Electrical Code, Canadian Electrical Code, etc.
Fuse Rating
The Enclosure is fitted with a single resettable fuse on the live circuit with a rating dependent on the application.
Maximum (and typical) values are:
• AC input: 2A (750mA)
• DC input: 7A (2.5A)
If there is a power fault, the fuse may activate in which case power should be removed from the unit and reapplied.
DESIGNATOR PURPOSE COMMENTS
BPower input Mains (L, N, E) or DC (+, -, E) input, dependent on
product configuration
C Fiber input is cabled to
separate dual LC couplers
Can be replaced by a blanking plate, depending on
product options. None fiber configurations will be
supplied with a different PCBA.
DEthernet input For or Ethernet connection. Alternative connection to F.
E1 Console port Alternative connection to E2.
E2 Console port Maintenance/setup use only. Must not be used when
Ventev Class 1 Div. II Enclosure System is in service.
Note* On some Access Points a USB converter is
supplied to enable a connection using AP-specific
maintenance cables.
FPoE/PoE (+) input Alternative connection to D for Ethernet.
8-way push-fit connector.
GAuxiliary port Pressure test port
WIRE TYPE MINIMUM CROSS-
SECTIONAL AREA
MAXIMUM CROSS-
SECTIONAL AREA
Single Solid Core 0.2mm2 2.5mm2
Single Stranded Wire 0.2mm2 2.5mm2
Table 2: Internal Connection/Features
Table 3: Power Connector Wire Gauges
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External OvercurrentProtection
The Enclosure should be installed on a circuit with a double-pole circuit breaker of a maximum rating of 25A. This
is the maximum current rating of the smallest internal chassis earth bond in accordance with EN60950-1 2.6.3.3.
Data Connections
Copper Ethernet
If Copper Ethernet is specified, this will be terminated in a standard CAT5E RJ45 Socket on the front plate of the
Enclosure, Position D in Figure 6. Typically, the interface will be an IEEE 10/100/1000BaseT format, but this is dependent
on the access point installed.
Terminate the RJ45 plug as shown in Figure 7 (EIA 568B standard).
Figure 7: RJ45 CAT5E EIA 568B Plug Wiring
Power-Over-Ethernet (POE)
If POE is used, the format will depend on the access point installed in the Enclosure. Ensure that
the correct Power Sourcing Equipment (PSE) is used. Connect the RJ45 cable per Section 3.10.1.
Optical Fiber
The Enclosure optical fiber format may be any shown in Table 4, refer to product option code #5
for details. Other optical formats are available on request.
Important!
Check that the line speed of the switch port to which the Enclosure is connected matches
the Enclosure port configuration, otherwise communication may not be established.
PIN FUNCTION
1OE/WE
2OE
3GN/WE
4BE
5BE/WE
6GN
7BN/WE
8BN
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Table 4: Fiber Formats
MET additional information:
Where fitted, the fiber optic connection may only be supplied from a Class 1 laser source. The output from the fiber
optic connection is also a Class 1 laser source.
Console Port
Two types of console port connectors that can be specified below. Only one type is possible on the same unit.
RJ45
The console port, Table 5, is a standard Cisco RS232 configuration port on an RJ45 socket. The port for Cisco Access
Points is 9600 baud, 8 data bits, no parity, and 1 stop bit. Other vendors may use different formats.
OPTION #5 FIBER FORMAT
CONNECTIONS
TRANSMITTING
POWER
RECEIVER
SENSITIVITY
MAX RECEIVER
INPUT
WITHOUT
DAMAGE
WAVELENGTH
TYPICAL
RANGE
MF 1000 Base- SX LC Duplex
Multimode
3 to -9.5dBm
(62/125µm)
-1 to - 9dBm
(50/125µm)
-19dBm -1dBm 850nm 550m
SF 1000 Base- LX LC Duplex
Single
-3 to -9.5dBm -20dBm -3dBm 1310nm 20km
PIN FUNCTION
1RTS
2DTR
3TXD
4GND
5GND
6RXD
7DSR
8CTS
PIN FUNCTION
1Vcc
2D-
3D+
4ID
5GND
Mini USB Table 5: Cisco console port wiring
Table 4: Fiber Formats
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IntrinsicallySafeRFOutputs
Refer to Figure 8 for the location of Intrinsically Safe RF outputs.
Example of RF threshold power calculation
The following example shows how the RF threshold power may be calculated:
Maximum transmitter output power (from transmitter datasheet) = 20dBm (100mW)
Coaxial cable loss = 2dB Antenna gain = 5dBi
Threshold power = 20dBm – 2dB + 5dBi
Threshold power = 23dBm (200mW)
Standard configuration
Top mount antenna
Bottom mount antenna
Intrinsically
safe outputs.
Minimum IP54
connection
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