Eaton Crouse-hinds series User manual

9387-FB-Px-R
5-spur, Open Frame,
Redundant Fieldbus Barrier
November 2016
INM 9380-RD Rev 2
Instruction manual
MTL fieldbus networks

ii
INM9380-RD Rev 2
DECLARATION OF CONFORMITY
A printed version of the Declaration of Conformity has been provided separately within the original shipment of
goods. However, you can find a copy of the latest version at http://www.mtl-inst.com/certificates

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INM9380-RD Rev 2
CONTENTS
DECLARATION OF CONFORMITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . II
GENERAL SAFETY INFORMATION . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IV
1 OVERVIEW ........................................................................1
2 DESCRIPTION ......................................................................2
2.1 General ................................................................................2
2.2 Configuration options ....................................................................2
2.3 Trunk Terminal Assembly ..................................................................3
3 MECHANICAL INSTALLATION.........................................................3
3.1 Mounting overview ......................................................................3
3.2 Preparation .............................................................................4
3.3 Mounting the assembly in a suitable enclosure ...............................................4
4 INITIAL ELECTRICAL INSTALLATION ...................................................5
4.1 Overview ...............................................................................5
4.2 Grounding ..............................................................................5
4.3 Trunk connections .......................................................................8
4.4 Trunk Terminator module 9378-FT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
4.5 Trunk Surge module 9376-SP .............................................................10
4.6 Spur connections .......................................................................10
4.7 Final checks............................................................................11
5 MAINTENANCE ...................................................................12
5.1 General ...............................................................................12
5.2 Fieldbus Barrier maintenance procedures ...................................................12
5.3 Spur connections .......................................................................15
5.4 Trunk connections ......................................................................16
5.5 Regular Maintenance checks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
6 TROUBLESHOOTING ...............................................................17
7 ALARM MODULE - OPERATION & CONFIGURATION .....................................18
7.1 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
7.2 Device details ..........................................................................18
7.3 Alarm module fitting or replacement.......................................................19
8 ATEX INFORMATION ...............................................................21
8.1 General ...............................................................................21
8.2 Installation ............................................................................21
8.3 Inspection and maintenance .............................................................22
8.4 Repair ................................................................................22
8.5 Marking ...............................................................................22
9 APPENDIX 1 - ENCLOSURE WIRING DIAGRAM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

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INM9380-RD Rev 2
GENERAL SAFETY INFORMATION
Safety instructions for installation and operating personnel
The operating instructions provided here contain essential safety instructions for installation personnel and those
engaged in the operation, maintenance and servicing of the equipment.
WARNING!
Failure to comply with these instructions can endanger the lives or health of
personnel and risk damage to the plant and the environment.
WARNING!
The responsibility for planning, installation, commissioning, operation and
maintenance, particularly with respect to applications in explosion-hazard areas,
lies with the plant operator.
Before commencing installation or commissioning:
• Read and understand the contents of this manual
• Ensure installation and operating personnel have received adequate training for this task
• Ensure that any operating instructions are fully understood by the personnel responsible.
• Observe national and local installation and mounting regulations (e.g. IEC 60079-14).
WARNING!
These assemblies may not be used in explosion-hazard area applications if they
have been used previously in general electrical installations.
During operation:
• Make the relevant instructions available at all times to the operating personnel.
• Observe safety instructions.
• Observe national safety and accident prevention regulations.
• Operate the equipment within its published specification.
• Servicing, maintenance work or repairs not described in this manual must not be performed without prior
agreement with the manufacturer.
• Any damage to this equipment may render its explosion protection null and void.
• No changes to any of the components that might impair their explosion protection are permitted.
If any information provided here is not clear:
• Contact Eaton’s MTL product line or one of its representatives.
Note: Improper installation and operation of the enclosure can result in the invalidation of the guarantee.

1
INM9380-RD Rev 2
1 OVERVIEW
This manual explains the installation and maintenance procedures for the
9387-FB-Px-R Open-Frame Redundant Fieldbus Barrier and must be read in association
with the product datasheet that contains the electrical data.
The 9387-FB-Px-R assembly is a wiring hub that creates five* intrinsically safe spur
connections from a high-energy trunk, for connection to suitably certified Foundation™
fieldbus H1 instruments. The assembly is bus-powered and requires no additional
power supply in the field.
When installed and certified inside a suitable Ex enclosure (see Section 3.1 on page 3),
an assembly may be installed in a Zone 1 or a Zone 2 hazardous area.
Each assembly uses a pair of Fieldbus Barrier modules in a “redundant spur“
configuration in order to achieve significantly higher system availability than
equivalent ‘simplex’ units. The 9387-FB-Px-R may therefore be selected for critical
process applications where failure of the Fieldbus Barrier would otherwise result in
unacceptable downtime or lost production. It is also ideal for use in fieldbus Safety
Instrumented Function (SIF) networks in which nuisance trips cannot be tolerated.
Failure annunciation to the host control system is provided by means of an integrated
Foundation™ fieldbus device with Digital Input Function Block capability.
The baseplate on which the carrier and trunk terminal assembly is mounted is 316
stainless steel for protection against corrosion.
The following types are available by ordering the appropriate model number.
9387-FB-Px-R Redundant Fieldbus Barrier assembly, 5-spur
Where Px = PS (pluggable screw terminal connectors) or
PC (pluggable spring clamp connectors)
* See section 2.2
9387-FB-Px-R 5-Spur Open-Frame
Redundant Fieldbus Barrier
Figure 1.1 - Example of model 9387-FB-Px-R