Moore Industries SRM Manuale utente
SRM
Safety Relay Module
No. 225-765-00G
April 2018
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User’s Manual
225-765-00G
April 2018
Safety Relay Module
SRM
Customer Support
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 sta 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
sta 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.
www.miinet.com
Demand Moore Reliability
Locations
World Headquarters Europe Australia
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
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
Sydney, NSW
3/1 Resolution Drive
Caringbah, New South Wales 2229
Australia
Tel: (02) 8536-7200
Fax: (02) 9525-7296
www.miinet.com/au
China Guido Gezellestraat 106
BE-2630 Aartselaar
Belgium
Tel: 03/448.10.18
Fax: 03/440.17.97
Dutch: www.miinet.com/dbe
French: www.miinet.com/fbe
Perth, WA
6/46 Angove Street
North Perth, Western Australia 6006
Australia
Tel: (08) 9228-4435
Fax: (08) 9228-4436
www.miinet.com/au
Room 102, No. 101,
Lane 1058, Xinzhen Street,
Xinqiao Town, Songjiang District,
Shanghai, 201612, P. R. China
Tel: 86-21 62491499
Fax: 86-21 62490635
E-mail: [email protected]
www.miinet.com/cn
Burg Meslaan 98
4003 CD Tiel
The Netherlands
Tel: (0)344-617971
Fax: (0)344-615920
www.miinet.com/nl
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User’s Manual
225-765-00G
April 2018
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 oces 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 aliation with or endorsement by them unless otherwise specied.
Safety Relay Module
SRM
About this Manual
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User’s Manual
225-765-00G
April 2018
Table of Contents
Safety Relay Module
SRM
Section 1 - Introduction 6
Description................................................................................................................6
Model Numbers and Options...................................................................................6
SRM Safety Relay Module .......................................................................................................... 7
Section 2 - Calibration Bench Check 8
Calibration.................................................................................................................8
Bench Check Procedure..........................................................................................8
Section 3 - Installation and Wiring 10
Terminal Designations ...........................................................................................10
Dimensions ............................................................................................................. 11
Mounting ....................................................................................................................................11
Electrical Connections ............................................................................................................... 12
Installation Category.................................................................................................................. 12
Contact/Load Protection ............................................................................................................ 13
Contact/Load Suppression ........................................................................................................ 13
Section 4 - Operation and Maintenance 14
Operation.................................................................................................................14
Visual Diagnostics .................................................................................................................... 14
Maintenance............................................................................................................15
Fuse Replacement .................................................................................................................... 15
CONTENTS
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Table of Contents
Safety Relay Module
SRM
Section 5 - Applications 16
Typical SIL 1 or SIL 2 Application .........................................................................16
SIL 1 or SIL 2 Application using Monitor Output.................................................17
SIL 1 or SIL 2 Application when used with “wet” Relay/Contact Outputs ........ 18
Section 6 - SRM in Safety Instrumented Systems 19
Functional Safety Description...............................................................................19
Failure Rate Data ....................................................................................................19
Product life..............................................................................................................19
Contact life..............................................................................................................19
Installation...............................................................................................................20
Conguration..........................................................................................................20
Visual Diagnostics .................................................................................................20
Process Safety Time ..............................................................................................20
Proof Test Procedure .............................................................................................21
Repair and Replacement........................................................................................21
Recording and Reporting of SRM Performance.................................................. 21
Section 7 - Specications 23
Section 8- Ordering Information 24
Warranty Disclaimer 25
CONTENTS
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User’s Manual
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April 2018
Safety Relay Module
SRM
SECTION 1
Section 1 - Introduction
The Moore Industries’ Safety Relay Module (SRM) is part of Moore Industries’ FS FUNCTIONAL
SAFETY SERIES products. The SIL 2 certied SRM is 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
SRM is used in a SIL rated safety application, please refer to the Safety Instrumented Systems
section of this manual. Safety and failure rate data for the SRM is contained in the SRM FMEDA
report (Moore Industries’ Document No: 700-702-35), and is available upon request.
Description
The SRM is a relay repeater model that accepts a single contact closure input from a logic solver
trip output such as the Moore Industries STA Safety Trip Alarm or the SPA2 Programmable Limit
Alarm Trip. The SRM provides three normally open (NO) and one normally closed (NC) contacts
per alarm input, allowing you to add alarm contacts for your safety processes without special
installation or conguration.
Relay Terminology
Normal is the term used to describe the “shelf-state” of relay contacts. The contacts of a
Normally Open relay are open (infinite resistance) when the relay is not energized. The contacts
of a Normally Closed relay are open when the relay is energized (closed when not energized).
Note: Sometimes a non-alarm input level is referred to as being in a “normal” condition. This
practice is intentionally avoided in this manual. Do not confuse the term “normal”, as in Normally
Open or Normally Closed, with a non-alarm input condition. In this manual, “normal” is an
exclusive reference to the shelf state or quiescent state of an alarm’s relay contacts, whether
open or closed.
SRM Applications
Please refer to Section 5: Applications for examples of typical SRM applications
Model Numbers and Options
The following section provides details of the Moore Industries model number and the available
options for the SRM.
Moore Industries model numbers for SRM are structured as follows:
SRM / CC / 3RO / 24DC / [DIN]
Unit / Input / Output / Power / - Options [Housing]
Refer to Section 8 Ordering Information for a quick reference table of ordering information.
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User’s Manual
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April 2018 Safety Relay Module
SRM
SECTION 1
SRM Safety Relay Module
INPUTS
CC (Contact Closure)
When the input to the SRM is open there will be 24Vdc present at the input terminals.
When the input to the SRM is closed there will be a maximum of 55mA flowing through the
closed circuit.
Note: The SRM’s CC (Contact Closure) input circuit includes an internal snubbing diode
across it’s relay coil which means there is no need for any external suppression across the input
terminals.
OUTPUTS
3RO (3 Relay Outputs)
There are 3 sets of fuse-protected, normally open relay contacts. These are rated
250Vac/30Vdc, 5A (non-inductive).
Note: There is one set of fuse-protected, normally closed relay contacts (Monitor Contacts)
used for diagnostics but can also be used as part of the safety function. These are rated
250Vac/30Vdc, 1A (non-inductive).
POWER
24DC
The required power is 24Vdc, -5% to +10%. Power consumption is 1.5W typical, 2.3W
maximum.
OPTIONS
There are no options available at this time.
HOUSING
[DIN]
DIN-style housing mounts on 35mm Top Hat rail (EN50022).
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User’s Manual
225-765-00G
April 2018
Moore industries-International, Inc.
Safety Relay Module
SRM
SECTION 2
Section 2 - Calibration Bench Check
We highly recommend that you perform a bench check of the SRM prior to installing it in the eld.
Doing this will ensure that it is operating within your expectations or requirements.
Calibration
The SRM does not require calibration.
Bench Check Procedure
Setup unit using Figures 2.1 and 2.2 and equipment in table 2.1.
1. Apply 24Vdc power to the SRM (with no other Inputs or Outputs connected) and verify the
status of the LEDs.
Power = Green
Input = Red
Output = Red
Also, using the ohmmeter, verify the status of the SRM outputs:
Output Terminals
• Normally Open 1 to Common 1
NO1-to-CM1 = Open
• Normally Open 2 to Common 2
NO2-to-CM2 = Open
• Normally Open 3 to Common 3
NO3-to-CM3 = Open
Monitor Terminals
• Normally Closed 4 to Common 4
NC4-to-CM4 = Less than 1 ohm
2. Connect the 20 ohm resistor across the two Input terminals. Note: The reason for using the
20 ohm resistor is to simulate worn or dirty contacts at the Input.
Verify the status of the LEDs.
Power = Green
Input = Green
Output = Green
Also, using the ohmmeter, verify the status of the SRM outputs:
Output Terminals
• Normally Open 1 to Common 1
NO1-to-CM1 = Less than 1 ohm
• Normally Open 2 to Common 2
NO2-to-CM2 = Less than 1 ohm
• Normally Open 3 to Common 3
NO3-to-CM3 = Less than 1 ohm
Monitor Terminals
• Normally Closed 4 to Common 4
NC4-to-CM4 = Open
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User’s Manual
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Figure 2.1. SRM Front Panel LEDs
Figure 2.2. Bench Check Set-up
POWER
INPUT
OUTPUT
SAFETY
RELAY
MODULE
Power LED
Input LED
Output LED
POWER
INPUT
OUTPUT
SAFETY
RELAY
MODULE
+
–
24Vdc
Power
Ground
20 Ω
Safety Relay Module
SRM
SECTION 2
Calibrated, regulated 24Vdc, -5% to +10%
20 ohm 1/4W resistor
Calibrated to an accuracy of ±0.5%
Device Specifications
Power Supply
Load Resistor
Ohmmeter
All referenced product names are the sole property of their respective manufacturers
.
Table 2.1. Bench Check Equipment for the SRM.
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User’s Manual
225-765-00G
April 2018
Moore industries-International, Inc.
Section 3 - Installation and Wiring
Instructions in this section and others may require special precautions to ensure the safety of the
personnel performing the operations. Notes, Cautions and Warnings that may cause potential
safety issues are indicated throughout this manual by symbols, please refer to Page 3 of this
manual to view and familiarize yourself with these safety message symbols.
Note: Make sure to bench check the instruments prior to installation. Also, install all instruments
in their intended application and on their rail before making any electrical connections. Allow
enough room for pivoting instruments vertically on the rail for removal in applications involving
multiple banks of SRM.
Figure 3.1. Terminal Designations
Terminal Designations
CC NO1
CM1
NO2
CM2
NO3
CM3
CC
NC4
CM4
DC(
+
)
DCC(
-
)
NOT
USED
NOT
USED
NOT
USED
NOT
USED
GND
CC
CC
NC4
CM4
INPUT MONITOR
NO1
CM1
NO2
CM2
NO3
CM3
DC(+)
DCC(-)
GND
24VDC
POWER
CASE
VIEWED FROM TOP VIEWED FROM BOTTOM
NOTES:
1. Terminal blocks can accommodate 14-22 AWG solid wiring.
KEY:
DC = Power Input (+)
DCC = Power Input (-)
CM = Relay Common
GND = Ground
NO = Normally Open
NC = Normally Closed
Safety Relay Module
SRM
SECTION 2
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