Moore SSX Manual de usuario
206-792-00G
May 2016
User’s Manual
Demand Moore Reliability
SSX/SST
www.miinet.com
SSX/SST
Safety Series Isolator and Splitter
Safety Series Isolator and Splitter
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User’s Manual
206-792-00G
May 2016
Customer Support
Moore Industries is recognized as the industry leader in delivering top quality to its customers in products
and services. We perform a sequence of stringent quality assurance checks on every unit we ship. If any
Moore Industries product fails to perform up to rated specications, call us for help. Our highly skilled staff of
trained technicians and engineers pride themselves on their ability to provide timely, accurate, and practical
answers to your process instrumentation questions. Our headquarters and other facilities phone numbers
are listed below.
There are several pieces of information that can be gathered before you call the factory that will help our
staff get the answers you need in the shortest time possible. For fastest service, gather the complete model
and serial number(s) of the problem unit(s) and the job number of the original sale.
World Headquarters
16650 Schoenborn Street
North Hills, California
91343-6196, U.S.A.
Tel: (818) 894-7111
Fax: (818) 891-2816
E-mail: [email protected]
TOLL FREE: 1-800-999-2900
www.miinet.com
China
Room 806, Block 2,
Lotus International Plaza
No. 7866 Hu Min Road,
Min Hang District,
Shanghai, 201102, P. R. China
Tel: 86-21 62491499
Fax: 86-21 62490635
E-mail: [email protected]
www.miinet.com/cn
Europe
1 Lloyds Court, Manor Royal,
Crawley
W. Sussex RH10-9QU
United Kingdom
Tel: 01293 514488
Fax: 01293 536852
FREE PHONE: 0800 525107
www.miinet.com/uk
Drie Eikenstraat 362
B-2650 Edegem
Belgium
Tel: 03/448.10.18
Fax: 03/440.17.97
Dutch: www.miinet.com/dbe
French: www.miinet.com/fbe
Burg Meslaan 98
4003 CD Tiel
The Netherlands
Tel: (0)344-617971
Fax: (0)344-615920
www.miinet.com/nl
Australia
Sydney, NSW
3/1 Resolution Drive
Caringbah, New South Wales
2229
Australia
Tel: (02) 8536-7200
Fax: (02) 9525-7296
www.miinet.com/au
Perth, WA
6/46 Angove Street
North Perth, Western Australia
6006
Australia
Tel: (08) 9228-4435
Fax: (08) 9228-4436
www.miinet.com/au
www.miinet.com
Demand Moore Reliability
Safety Series Isolator and Splitter
SSX/SST
Customer Support
Locations
www.miinet.comMoore Industries-International, Inc. - 3 -
User’s Manual
206-792-00G
May 2016
Safety Messages
Please read this manual in its entirety. It should answer most of your questions. For personal and system safety, and for
optimum product performance, make sure you thoroughly understand the contents before installing, using, or maintaining
this product. Should you still have questions please visit our web site at www.miinet.com or contact any of our sales/
support ofces nearest you.
Your safety and the safety of others is very important. We have provided many important safety messages in this
manual. Please read these messages carefully. These safety messages alert you to potential hazards that could hurt
you or others or render damage to units.
All Moore Industries instrumentation should only be used for the purpose and in the manner described in this manual.
If you use this product in a manner other than that for which it was intended, unpredictable behavior could ensue with
possible hazardous consequences.
Each safety message is associated with a safety alert symbol. These symbols are found in the throughout the manual.
The denition of these symbols is described below:
Pay particular attention wherever you see the following symbols:
Note – Information that is helpful for a procedure,
condition or operation of the unit.
Caution – Hazardous procedure or condition that
could damage or destroy the unit.
Warning – Hazardous procedure or condition that
could injure the operator.
Qualied Personnel
The Moore Industries’ product/systems described in this manual may be operated only by personnel qualied for the
specic task in accordance with the relevant documentation, in particular its warning notices and safety instructions.
Qualied personnel are those who, based on their training and experience, are capable of identifying risks and avoiding
potential hazards when working with these Moore Industries’ products/systems.
Proper use of Moore Industries products
Moore Industries’ products may only be used for the applications described in the catalog and in the relevant technical
documentation. If products and components from other manufacturers are used, these must be recommended or
approved by Moore Industries’ . Proper transport, storage, installation, assembly, commissioning, operation and
maintenance are required to ensure that the products operate safely and without any problems. The permissible ambient
conditions must be complied with. The information in the relevant documentation must be observed.
We have reviewed the contents of this publication to ensure consistency with the hardware and/or software described.
Since variance cannot be precluded entirely, we cannot guarantee full consistency. However, the information in this
publication is reviewed regularly and any necessary corrections are included in subsequent editions. Specications and
information are subject to change without notice.
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them
does not imply any afliation with or endorsement by them unless otherwise specied.
Safety Series Isolator and Splitter
SSX/SST
About this Manual
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User’s Manual
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May 2016
Table of Contents
Safety Series Isolator and Splitter
SSX/SST
Section 1 - Introduction 6
Overview....................................................................................................................6
Description................................................................................................................6
2-Wire, Loop Powered SSX......................................................................................................... 6
4-Wire Line/Mains Powered SST and SST Splitter ..................................................................... 6
Model Numbers and Options...................................................................................8
SSX 2-Wire Loop Powered Safety Isolator / Signal Convertor.................................................... 9
SST 4-Wire Line/Mains Powered Safety Isolator/Signal Convertor
(Single Output Channel)................................................................................................................ 10
SST 4-Wire Line/Mains Powered Safety Isolator Splitter
(Two Output Channels) ..................................................................................................................11
Section 2 - Calibration and Bench Check 13
Calibration...............................................................................................................13
Calibration Procedure - SSX and SST Single Output Channel ................................................. 14
SPAN and ZERO Adjustments - SSX and SST Single Output Channel .................................... 14
Calibration Procedure - SST Splitter (Two Output channels) .................................................... 16
SPAN and ZERO Adjustments - SST Splitter ............................................................................ 16
Bench Check...........................................................................................................18
Bench Check Procedure............................................................................................................ 19
Section 3 - Installation and Wiring 24
Terminal Designations ...........................................................................................24
Dimensions .............................................................................................................25
Electrical Connections ............................................................................................................... 27
Installation Category.................................................................................................................. 27
Installation in Hazardous Locations.....................................................................29
Special Conditions of Use ........................................................................................................ 29
CONTENTS
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User’s Manual
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May 2016
Table of Contents
Safety Series Isolator and Splitter
SSX/SST
Section 4 - Operation and Maintenance 30
Operation.................................................................................................................30
Maintenance............................................................................................................30
Section 5 - Applications 31
Isolate and Pass Critical HART Data ....................................................................31
Isolate and Power a 2-Wire Transmitter ...............................................................32
Isolation of Safety Systems...................................................................................33
“Sharing” or “Splitting” Process Signals ............................................................34
Solve “Bucking” Power Supplies and Filter HART ............................................. 35
Solving 4-Wire Transmitter Problems...................................................................36
Duplicate Signal to Two Legacy Systems ............................................................37
Section 6 - SSX/SST in SIS 38
Functional Safety Description...............................................................................38
Failure Rate Data ....................................................................................................38
Product life..............................................................................................................38
Conguration..........................................................................................................38
Process Safety Time ..............................................................................................39
Input Types..............................................................................................................39
Broken Wire Detection...........................................................................................39
Proof Test Procedure .............................................................................................39
Repair and Replacement........................................................................................39
Section 7 - Specications 41
Section 8- Ordering Information 42
Warranty Disclaimer 43
CONTENTS
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User’s Manual
206-792-00G
May 2016
Safety Series Isolator and Splitter
SSX/SST
SECTION 1
Section 1 - Introduction
The Moore Industries’ Safety Series Isolators (SSX and SST) are designed and manufactured to
provide a high level of availability for safety critical applications and for use as a component part
of a safety instrumented system.
This manual contains information needed to install, operate and maintain this product. When
the SSX or SST are used in a SIL rated safety application, please refer to Section 6 SSX/SST
in Safety Instrumented Systems. Safety and failure rate data for the SSX and SST are in the
SSX/SST FMEDA report (Moore Industries’ Document No: 700-702-36), which is available upon
request.
Overview
As part of the Moore Industries’ FS Functional Safety Series, the exida® approved, SIL 3
capable 2-wire (loop powered) SSX and 4-wire (line/mains powered) SST Safety Isolators and
Splitters provide galvanic isolation and signal conversion for your SIS (Safety Instrumented
System) needs. These units protect and enhance loops and also pass valuable HART® data
from the eld transmitter to host systems and vice-versa.
Description
2-Wire, Loop Powered SSX
The SSX is a 2-wire isolator /signal convertor, drawing power from the output side of the loop.
Typically, this is from a secondary receiving device such as a DCS or PLC. The SSX will also
pass through a HART signal on its input or optionally can block the signal on its output.
4-Wire Line/Mains Powered SST and SST Splitter
The SST is a 4-wire unit powered by 24DC, 117AC or 230AC. It is designed for applications
where line/mains power is readily available, such as the back of a panel or inside of a control
room. It passes through a HART signal on its input or optionally can block the signal on its
output. The SST can also provide 24V power to a 2-wire, output-loop powered instrument which
eliminates the need for an additional power supply.
The SST Splitter takes one input and creates two identical, completely isolated outputs.
Additionally, the SST can function as a HART splitter that passes valuable HART data to one or
both of the SST’s independent outputs. This is especially important when asset management
systems need to maintain a digital HART connection with critical valves or instruments for
diagnostic monitoring or calibration record keeping.
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May 2016 Safety Series Isolator and Splitter
SSX/SST
SECTION 1
Single- and Multiple-Unit Instrument Enclosures
Designed to meet NEMA 4X and IP66 ratings, the R-BOX is the perfect solution for protecting the
SST/SSX in field and control room applications. Rugged and versatile, it delivers a high impact
structure and resistance to ultraviolet rays and chemicals. The R-BOX mounts on a pipe, panel
or surface, and comes in a variety of widths to economically accommodate several SSTs or
SSXs. It features a pre-installed mounting rail; customizable conduit entry options; a clear cover
and a secure locking mechanism (See Figure 1.1). For more information, see the R-BOX Field-
Mount Enclosure datasheet.
Figure 1.1. Available in a variety of widths, our R-BOX field-mount instrument enclosure is designed to protect DIN-rail
instruments in even the most rugged environments
SSX and SST Applications
Please refer to Section 5: Applications for examples of typical SSX and SST applications
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User’s Manual
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Safety Series Isolator and Splitter
SSX/SST
SECTION 1
Model Numbers and Options
The following section provides details of the Moore Industries model number and the available
options for the SSX and SST.
Moore Industries model numbers or SSX/SST are structured as follows:
SSX / 4-20MA / 4-20MA / 12-42DC / -IZ250 [DIN]
Unit / Input / Output / Power / -Options [Housing]
Refer to Section 8 Ordering Information for a quick reference table of ordering information.
Further details are provided for each model starting on next page.
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User’s Manual
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May 2016 Safety Series Isolator and Splitter
SSX/SST
SECTION 1
SSX 2-Wire Loop Powered Safety Isolator / Signal Convertor
INPUT
4-20MA
The standard input of the SSX is 4-20mA into 100 ohms.
There are two options available that will change the input resistance. The – IZ250 option
will increase the input resistance to 250 ohms and the -0HART option (no HART pass-
through) will change the input resistance to 65 ohms.
1-5V
The SSX can also be ordered for use with a 1-5Vdc input (non-HART). The input
impedance for this application is 1 Megohm.
Note: Input resistance specifies the resistance seen by the DC signal. Since the HART signal
is AC, it will see the input resistance plus the internal HART transformer (70 ohms) plus any
termination resistance in the loop.
OUTPUT
4-20MA
Isolated 4-20mA into 0-600 ohms (with 24Vdc series loop voltage), with HART digital data
pass-through.
Note: There is no HART digital data pass-through at the output when the -0HART option is
chosen or when the 1-5V Input is chosen.
POWER
12-42DC
The SSX is a 2-wire, loop powered instrument. It is powered either by an external 12-
42Vdc power supply, or by a DCS (or PLC) input channel that provides power (12-42Vdc)
to the loop.
OPTIONS
-IZ250
This option increases the input resistance to 250 ohms. (4-20mA input units only)
-0HART
With this option the instrument is configured for no HART pass-through. (4-20mA input
units only)
HOUSING
[DIN]
Universal DIN-style housing mounts on a 32mm G-type rail (EN 50035) or on 35mm Top
Hat rail (EN50022).
[FLB]
Flange mount bracket for wall mounting.
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User’s Manual
206-792-00G
May 2016
Safety Series Isolator and Splitter
SSX/SST
SECTION 1
SST 4-Wire Line/Mains Powered Safety Isolator/Signal Convertor
(Single Output Channel)
INPUT
4-20MA
The standard input of the SST is 4-20mA into 100 ohms.
There are two options available that will change the input resistance. The –IZ250 option
will increase the input resistance to 250 ohms and the -0HART option (no HART pass-
through) will change the input resistance to 65 ohms.
Note: Input resistance specifies the resistance seen by the DC signal. Since the HART signal
is AC, it will see the input resistance plus the internal HART transformer (70ohms) plus any
termination resistance in the loop.
1-5V
The SST can also be ordered for use with a 1-5Vdc input (non-HART). The input
impedance for this application is 1 Megohm.
OUTPUT
4-20MA
Isolated 4-20mA into 0-1000 ohms, with HART digital data pass-through.
Note: There is no HART digital data pass-through at the output when the -0HART option is
chosen or
when the 1-5V Input is chosen.
POWER
24DC
117AC
230AC
The SST is a 4-wire, line/mains powered instrument. The voltage choice should be
specified at the time that the instrument is ordered. It can be powered by either 24Vdc (+/-
10%), 117Vac, 50/60Hz (+/- 10%) or 230Vac, 50/60Hz (+/- 10%). The SST with one output
channel consumes 3 watts maximum.
OPTIONS
-IZ250
This option increases the input resistance to 250 ohms. (4-20mA input units only)
-0HART
With this option the instrument is configured for no HART pass-through.
(4-20mA input units only)
HOUSING
[DIN]
Universal DIN-style housing mounts on a 32mm G-type rail (EN 50035) or on 35mm Top
Hat rail (EN50022).
[FLB]
Flange mount bracket for wall mounting
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