RTK 725 Series User manual

INM725 RTK Series 725 Annunciator
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725 Series Alarm Annunciator
Instruction Manual

INM725 RTK Series 725 Annunciator
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The following methods are used in this manual to alert the user to important
information:-
WARNING!
Warnings are provided for safety and MUST be followed
CAUTION
Cautions are provided to prevent damage to the instrument.
NOTE
These are used to give general information to ensure correct operation.
REV DATED DESCRIPTION AUTHOR APPROVED
25 11-08-09 AD* Option clarified P.Cartmell D.Fishkin
26 11-12-12 AD3 New Card Layout Detailed P.Cartmell D.Fishkin
27 21-06-13 Revised for 725B Bezel & Lens Assy P.Cartmell D.Fishkin
28 16-09-13 Lifting and external PSU type A Ibbetson P.Cartmell
29 21-10-14 Update to safe operating instructions D Fishkin J Cooke
The copyright in this work is vested in Measurement Technology Limited and this document is issued
for the purpose only for which it is supplied. No licence is implied for the use of any patented feature.
It must not be reproduced in whole or in part, or used for tendering or manufacturing purposes except
under an agreement or with the consent in writing of Measurement Technology Limited and then only
on the condition that this notice is included in any such reproduction. Information furnished is
believed to be accurate but no liability in respect of any use of it is accepted by Measurement
Technology Limited.
725 Series Alarm Annunciator

INM725 RTK Series 725 Annunciator
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CONTENTS
1. Introduction........................................................................................................ 7
1.1Installation..................................................................................................... 8
Unpacking.................................................................................................................................... 8
Basic principles of handling ......................................................................................................... 8
2. Front View Examples......................................................................................... 9
System Front View..................................................................................................................... 10
3. System Description & Features ..................................................................... 11
3.1 General................................................................................................................................ 11
3.2 Window Colours................................................................................................................... 12
3.3 Laser Printed Legends......................................................................................................... 14
3.4 Adding Or Changing Film Legends...................................................................................... 14
3.5 Lamp Or LED Illumination.................................................................................................... 15
3.7 Alarm Card Types................................................................................................................ 16
3.8 Pushbutton / Programming Module...................................................................................... 16
3.9 Pushbutton / Programming Module Options ........................................................................ 17
3.10 Fully Field Programmable.................................................................................................. 17
3.11 Expandability Using SI/O Cards......................................................................................... 17
3.12 Sleep Mode ....................................................................................................................... 17
3.13 Automatic Mute Or Automatic Acknowledge...................................................................... 18
3.14 Integral Audible Alarm........................................................................................................ 19
3.14a Horn adjustment on Remote Pushbutton / Programming Modules................................... 20
3.15 Remote Pushbutton Inputs ................................................................................................ 22
3.16 Terminations...................................................................................................................... 22
3.17 Failsafe Mode.................................................................................................................... 22
4. Inputs ................................................................................................................ 23
4.1 Optically Coupled Inputs...................................................................................................... 23
4.2 Standard Input Configuration............................................................................................... 23
4.3 Signal Supply Voltage.......................................................................................................... 23
4.4 Input Voltage Options .......................................................................................................... 24
4.5 Input Time Delay – Option AD*............................................................................................ 24
4.6 Input Wiring Segregation ..................................................................................................... 24
4.7 No Master Module ............................................................................................................... 24
5. Outputs............................................................................................................. 25
5.1 Common Outputs................................................................................................................. 25
5.2 Critical Horn Relay - HNA.................................................................................................... 26
5.3 Non-Critical Horn Relay - HNB ............................................................................................ 26
5.4 Critical Group Relay - GPA.................................................................................................. 27
5.5 Critical Group Relay - GPB.................................................................................................. 27
5.6 Reflash Critical Group Relay - GPA..................................................................................... 27
5.7 Reflash Non-Critical Group Relay - GPB ............................................................................. 27
5.8 Common Relay Function Codes.......................................................................................... 27
5.9 Multi-Function Relay Operating Modes................................................................................ 27
6. Technical Specifications................................................................................. 28
6.1 General................................................................................................................................ 29
6.2 Fuse Details - SPR Module.................................................................................................. 29
6.3 Fuse Details - S/O Module................................................................................................... 29

INM725 RTK Series 725 Annunciator
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6.4 Suitable Power Supplies...................................................................................................... 29
6.5 P725 Annunciator Standard Versions.................................................................................. 29
6.6 P725 Annunciator Fitted With The Repeat Relays Per Channel Option............................... 30
7. Mechanical Details........................................................................................... 31
7.1 P725 Overall And Cut Out Dimensions (Pre June 2013) ..................................................... 31
7.1.1 P725 Overall And Cut Out Dimensions (After June 2013)................................................. 32
7.2 System Capacity.................................................................................................................. 33
7.3 Panel Mounting Clamps....................................................................................................... 33
8. Alarm Sequences............................................................................................. 34
8.1 Summary............................................................................................................................. 34
8.2 Audible Alarm Grouping....................................................................................................... 34
8.3 Ringback Audible................................................................................................................. 34
9. Additional Features......................................................................................... 35
9.1 Automatic Reset .................................................................................................................. 35
9.2 Non-Latch Sequence (No Lock-In)....................................................................................... 35
9.3 Reflash Feature................................................................................................................... 35
9.4 Ringback Sequence............................................................................................................. 35
9.5 Two Pushbutton Operation.................................................................................................. 35
9.6 First-Up Sequences............................................................................................................. 35
10. Sequence Configuration and Tables........................................................... 36
10.1 ISA-Sequence M................................................................................................................ 36
10.2 ISA-Sequence A................................................................................................................ 37
10.3 ISA-A-4 Sequence............................................................................................................. 38
10.4 ISA-R Sequence -.............................................................................................................. 39
10.6 ISA-F2M-1 Sequence ........................................................................................................ 42
10.7 ISA-F3A Sequence -.......................................................................................................... 44
11. Options ........................................................................................................... 46
11.1 General.............................................................................................................................. 46
11.2 LED Assemblies (Option LED)........................................................................................... 46
11.3 Tropicalisation (Option TRO)............................................................................................. 46
11.4 Individual Channel Repeat Relays (Option RLY) ............................................................... 46
11.5 Individual Channel Dual Repeat Relays (Option RL2) ....................................................... 47
11.6 Customer Specified Response Time (Option CRT**)......................................................... 47
11.7 Adjustable Response Time (Option AD*)........................................................................... 47
11.8 Disable Integral Horn (Option DHN)................................................................................... 48
11.9 Higher Field Contact Voltages (Option FCxx).................................................................... 48
11.10 Supply Input / Output Module (Option SI/O)..................................................................... 48
11.11 RS485 Serial Communications (Option COM) Part No. CB4468POP1............................ 48
11.12 Individual Channel Repeat Relays Powered By The Field Contact Voltage (Option RAV)48
11.13 Three Horn Relay Outputs (Option 3HN)......................................................................... 48
11.14 Three Group Relay Outputs (Option 3GP)...................................................................... 48
11.15 Repeat Pushbutton Output (Option RPB) ........................................................................ 49
11.16 Group Relays Follow Inputs (Option GFI)........................................................................ 49
11.17 Additional Group Relay Contact (Options 2GA or 2GB).................................................. 49
11.18 Total Group Relay (Option RTG) ..................................................................................... 49
11.19 SPR Module (Supply-Pushbuttons-Relay Module)........................................................... 49
11.20 Logic Power Connections................................................................................................ 49
11.21 Signal Supply Voltage Connections................................................................................. 49
11.22 Common Horn/Group/Multi-Function Relay & Remote P.B. Connections........................ 50
12. Large Window Alarm Module Wiring........................................................... 51
12.1 Standard Unit Without Repeat Relay Facility..................................................................... 51

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12.2 Optional Unit With Repeat Relay Facility ........................................................................... 51
12.3 Large Window Versions Fitted With An Odd Number Of Alarms........................................ 52
12.4 Standard Unit Without Repeat Relay Facility..................................................................... 52
12.5 Optional Unit With Repeat Relay Facility ........................................................................... 52
13. Medium Window Alarm Module Wiring....................................................... 53
13.1 Standard Version Without Repeat Relay Facility................................................................ 53
13.2 Optional Version With Repeat Relay Facility...................................................................... 53
14. Small Window Alarm Module Wiring........................................................... 54
14.1 Standard Version Without Repeat Relay Facility................................................................ 54
14.2 Optional Version With Repeat Relay Facility...................................................................... 54
15. Dual Repeat Relay Option............................................................................. 55
15.1 Optional Version With Dual Repeat Relay Facility (Option RL2)........................................ 55
16. Signal Supply Voltage Options.................................................................... 56
16.1 Standard Systems With Combined Logic And Signal Supply............................................. 56
16.2 Standard Systems Using Externally Powered Inputs......................................................... 57
16.3 Higher Voltage Direct Powered Inputs............................................................................... 57
17. Common Pushbutton Module ...................................................................... 58
17.1 P725 Systems Sharing A Common Pushbutton / Programme Module............................... 58
17.2 SI/O Module Details........................................................................................................... 59
17.3 P725 Systems With Remote Pushbutton/Programming Module ........................................ 60
17.4 Options For Mounting The Remote Version Of The Pushbutton Module ........................... 60
17.5 Panel Mounting Version..................................................................................................... 60
17.6 DIN-Rail Mounting Version ................................................................................................ 60
17.7 Wall Mounting Version....................................................................................................... 60
17.8 Remote Pushbutton Module Connections.......................................................................... 61
17.9 Repeat Pushbutton Outputs (Option RPB)......................................................................... 62
18. Power Distribution......................................................................................... 63
Power Distribution On Large Annunciator Units......................................................................... 63
19. Systems Fitted With Serial Communications............................................. 64
19.1 Connections....................................................................................................................... 64
20. System Configurations and Programming ................................................. 65
20.1 Programming Mode........................................................................................................... 65
20.2 Changing A Function Setting............................................................................................. 65
20.3 Programming Example ...................................................................................................... 67
20.4 Checking Programmed Settings ........................................................................................ 67
20.5 Systems With Unarmed Ways ........................................................................................... 67
20.6 Points To Note When Programming .................................................................................. 67
21. Function No Key And Descriptions............................................................. 68
22. Function Descriptions................................................................................... 69
23. Alarm Card Address Settings....................................................................... 75
23.1 Set Output Drive To Operate With Lamps or LED.............................................................. 75
23.2 Alarm Card DIL Switch SW1 Address Settings.................................................................. 76
24. Customer Adjustable Response Times....................................................... 80
25. Systems with Serial Communication .......................................................... 85
26. Serial Communication Card ......................................................................... 87

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28. Systems Linked To 3rd Party Devices.......................................................... 94
29. P725 To P725 Serial Links............................................................................ 95
30. Commissioning.............................................................................................. 97
31. Maintenance................................................................................................... 98
31.1 No Special Tools................................................................................................................ 98
31.2 Removing Filter Assemblies .............................................................................................. 98
31.3 Changing Film Legend....................................................................................................... 98
31.4 Changing Bulbs/LED Assemblies ...................................................................................... 98
31.5 Fuse Replacement............................................................................................................. 98
31.6 Position Of Fuses On The Supply Card............................................................................. 99
32. Spare Parts Description................................................................................ 99
33. Other RTK Products.................................................................................... 102
35. Function Setting per Alarm Sequence ...................................................... 103

INM725 RTK Series 725 Annunciator
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1. Introduction
The RTK 725 Series alarm annunciator is used to provide visual and audible warning that a process
has gone beyond set limits or to provide status only indication. The annunciator is manufactured from
universal cells, each 60 x 60mm, which can be assembled in an array to provide the number of rows
and columns required to suit individual panel designs.
Each cell within the annunciator is able to contain either:- one large, two medium or four small alarm
windows, which can be illuminated by conventional 28V filament lamps or by “fit and forget” LED
assemblies.
The assembled unit is fully field programmable which allows the user to enable a number of pre-
defined features to control the operation of the annunciator with regards to alarm sequence, horn
groups, common alarm groups or optional Modbus communications.
Selection of features is on a per channel basis with no special tools or programming knowledge
required. All programming is carried out from the front of the unit using the integral pushbutton /
programming module, which allows changes to be easily made during commissioning or at a later
date after the equipment has been installed.
Large and medium window version alarm cards are fully interchangeable within the annunciator, on
small window versions an additional card type is used for the 2nd pair of alarm channels but cards of
the same type remain fully interchangeable.
Reliability of operation is increased over conventional annunciators as each alarm card is fitted with
its own application specific integrated circuit (ASIC), which is capable of complete system control.
During initial power up one of the alarm cards will automatically act as a master controller with
regards to flash rates etc and in the event that this card fails or is removed another card will
automatically take over the role of master controller.
The standard unit is supplied with five integrally mounted common output relays, which are used to
provide 2 horn relay outputs, 2 group relay outputs and a multifunction relay output with
programmable function.
Additional options exist for more complex requirements including integrally mounted signal
duplicating relays on a per channel basis, bi-directional RS485 serial communications link and user
selectable time delays on each channel.
Accessibility for normal maintenance, lamp/LED changes, legend/filter changes and programming is
accomplished from the front of the panel without the use of special tools.

INM725 RTK Series 725 Annunciator
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1.1 Installation
Unpacking
Once the item has been unpacked please visually examine the unit for any signs of transit damage
before installing the unit into the control system. If any damage has occurred please report the
damage to the freight forwarder and copy RTK. The alarm annunciator is supplied with panel
mounting clamps locked in place, however please check all packages to ensure that no additional
pieces are left in the box as any auxillary items like power supplies, horns, pushbuttons or spares kits
will be packed separately.
Please double check that all items listed on the packing list have been unpacked before disposing of
any packing material.
Basic principles of handling
There are some basic principles that everyone should observe prior to carrying / lifting a large
annunciator:
Ensure that the object is light enough to lift, is stable and unlikely to shift or move.
If the object is two heavy or awkward for one person to safely lift ask for help or use a
handling aid.
Make sure the route is clear of obstructions.
Make sure there is somewhere to put the load down wherever it is to be moved to.
Stand as close to the load as possible, and spread your feet to shoulder width.
Bend your knees and try and keep the back's natural, upright posture.
Grasp the load firmly as close to the body as you can.
Use the legs to lift the load in a smooth motion as this offers more leverage reducing the
strain on your back.
Carry the load close to the body with the elbows tucked into the body.
Avoid twisting the body as much as possible by turning your feet to position yourself with the
load.
WARNING!
Installation, configuration and maintenance of this annunciator must only be
performed by competent service personnel

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2. Front View Examples
Systems supplied prior to June 2013
1 X CELL
SMALL
WINDOW
VERSION
30 X 30 MM
LEVEL
TRANS
FAILURE
BATTERY
LOW
VOLTS
1 X CELL
SIX
WINDOW
COLOURS
AVAILABLE
NO 1
AIR COOLER
FAILURE
NO 2
AIR COOLER
FAILURE
FULLY
FIELD
PROGR
PROTECTION
TRIP
SIX
LED
COLOURS
AVAILABLE
LAMP
OR
LED
VERSIONS
GAS
PRESSURE
LOW
MOTOR 2
HIGH
TEMP
MOTOR 1
HIGH
TEMP
OPTIONAL
SERIAL
INTERFACE
CARD
LASER
PRINTED
FILM
LEGENDS
LAMP
TEST
PLC
FAILURE
Small Window Version

INM725 RTK Series 725 Annunciator
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SIX
WINDOW
COLOURS
MEDIUM
WINDOW
VERSION
30 X 60 MM
LAMP OR LED
ILLUMINATION
OPTIONAL
SERIAL
INTERFACE
CARD
LARGE
WINDOW
VERSION
60 X 60 MM
LAMP OR LED
ILLUMINATION
SIX
WINDOW
COLOURS
SIX
LED
COLOURS
LASER
PRINTED
FILM
LEGENDS
1 X CELL 1 X CELL
1 X CELL
Medium Window Version Large Window Version
System Front View
Systems supplied after June 2013
On systems supplied after June 2103 RTK revised the framing of the annunciator as
typically shown below
LAMP
TEST
PLC
FAILURE
OPTIONAL
SERIAL
INTERFACE
CARD
GAS
PRESSURE
LOW
FULLY
FIELD
PROGR
PROTECTION
TRIP
NO 1
AIR COOLER
FAILURE
NO 2
AIR COOLER
FAILURE
MOTOR 2
HIGH
TEMP
MOTOR 1
HIGH
TEMP
SMALL
WINDOW
VERSION
30 X 30 MM
LEVEL
TRANS
FAILURE
SIX
LED
COLOURS
AVAILABLE
BATTERY
LOW
VOLTS
SIX
WINDOW
COLOURS
AVAILABLE
LAMP
OR
LED
VERSIONS
LASER
PRINTED
FILM
LEGENDS
Typical Small Window Version

INM725 RTK Series 725 Annunciator
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LAMP
TEST
MEDIUM WINDOW
VERSION
Typical Medium Window Version
3. System Description & Features
3.1 General
Annunciators are manufactured to meet individual customer's requirements using separate "cells"
which can be assembled in configurations from 1 to 16 cells high and 1 to 16 cells wide as required.
The finished array is “picture framed” using standard lengths of aluminium extrusion. Individual alarm
channels can be displayed in one of three sizes as shown below
Large, Medium & Small Window Sizes
LARGE
WINDOW
VERSION
60 X 60 mm
MEDIUM
WINDOW
VERSION
30 X 60 mm
SMALL
WINDOW
VERSION
30 X 30 mm

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3.2 Window Colours
Systems supplied before June 2013
Each channel is equipped with its own removable bezel, which contains a clear lens, white diffuser,
coloured filter and a laser printed film legend.
Part Small Window Medium Window Large Window
Bezel ID-SLC-3WF-B ID-SLC-3WH-B ID-SLC-3WG-B
Clear Lens ID-SLC-3LF ID-SLC-3LH ID-SLC-3LG
White Diffuser ID-SLC-3PF-WH ID-SLC-3PH-WH ID-SLC- 3PG-WH
Clear filter
(used with white windows) ID-SLC-3PF-C ID-SLC-3PH-C ID-SLC- 3PG-C
Red filter ID-SLC-3PF-R ID-SLC-3PH-R ID-SLC- 3PG-R
Amber filter ID-SLC-3PF-A ID-SLC-3PH-A ID-SLC- 3PG-A
Yellow filter ID-SLC-3PF-Y ID-SLC-3PH-Y ID-SLC- 3PG-Y
Blue filter ID-SLC-3PF-B ID-SLC-3PH-B ID-SLC- 3PG-B
Green filter ID-SLC-3PF-GD ID-SLC-3PH-GD ID-SLC- 3PG-GD

INM725 RTK Series 725 Annunciator
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Systems supplied after June 2013
In June 2013 RTK simplified the Bezel assembly and removed the need for a diffuser.
Each channel is equipped with its own removable bezel, which contains a clear lens, coloured filter
and a laser printed film legend.
The following part numbers refer to systems supplied after June 2013
Part Small Window Medium Window Large Window
Bezel ML-7227-S ML-7227-M ML-7227-L
Clear Lens ML-7228-S ML-7228-M ML-7228-L
Red filter ML-7229-S-RD ML-7229-M-RD ML-7229-L-RD
Amber filter ML-7229-S-AM ML-7229-M-AM ML-7229-L-AM
Yellow filter ML-7229-S-YW ML-7229-M-YW ML-7229-L-YW
Blue filter ML-7229-S-BL ML-7229-M-BL ML-7229-L-BL
Green filter ML-7229-S-GN ML-7229-M-GN ML-7229-L-GN

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3.3 Laser Printed Legends
Laser printed film legends are easily generated, from within Microsoft Excel, in a font style and size
to suit individual applications. A software template is available, free of charge from RTK, which allows
the user to produce film legends locally if required. Completed film legends are located between the
clear front lens of the removable window assembly and the associated coloured filter and diffuser.
3.4 Adding Or Changing Film Legends
Systems supplied before June 2013
Each lens assembly has a small slot in the upper ridge of the surround bezel, which allows a flat
blade terminal screwdriver to be used to gently lever the assembly forward. Once the assembly has
been removed the diffuser, coloured filter and film legend can be accessed using a flat blade
screwdriver to gently lever the lens clear of the associated parts as indicated in the diagram below.
This MUST be levered on the side NOT the top or bottom
WARNING!
Installation, configuration and maintenance of this annunciator must only be
performed by competent service personnel
WARNING!
High voltage field contact voltages may be present.
Ensure that the annunciator is powered down
before working on the unit or any connected apparatus.
LASER
PRINTED
FILM
LEGEND
Diffuser
Coloured Filter
Film Legend
Slot to aid
lens removal
Lens
Bezel

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Systems supplied after June 2013
Each lens assembly has a small slot in the upper ridge of the surround bezel, which allows a flat
blade terminal screwdriver to be used to gently lever the assembly from the annunciator.
Once the assembly has been removed the lens, coloured filter and film legend can be accessed by
gently pushing outwards on the side of the inside face of the bezel to allow the lens to clear the
associated moulding tabs.
TAHH-32A
TEMPERATURE
ALARM
HIGH-HIGH
COLOURED FILTER
FILM LEGEND
SLOT TO LEVER
THE BEZEL OUT
BEZEL
LENS
3.5 Lamp Or LED Illumination
Lamp Versions
All units are suitable for either 28V - 10 mm wedge based lamps part no. LP-28-004
LED Assemblies
RTK use LED assemblies as standard, which plug into the standard lamp socket, as they offer lower
power consumption and offer a maintenance free solution.
RTK provide white LED’s as standard throughout the range.

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3.6 Window Numbering System
RTK have adopted the following window numbering system to aid with the location of the film legend
and the associated alarm cards. This method is used to ensure that the legend matches the functions
selected for the designated alarm.
SYSTEM
TEST FIRST
RESET
7MUTE
POWER
RESET
1
5
3
ACK
LAMP
TEST
RESET
FIRST
RESET
6
2
3
4
LAMP
TEST ACK
MUTE
SYSTEM
TEST
POWER
15
FIRST
RESET
RESET
2SYSTEM
TEST
POWER
MUTE
ACK
LAMP
TEST
13
6
8
4
2
12
10
9
11
Medium Window Version Small Window Version
Large Window Version
3.7 Alarm Card Types
There are 4 basic types of dual channel alarm cards
PART NO DESCRIPTION USED ON
CB5674POP51 2 Channel alarm card
(Without repeat relays) Large, medium and small window versions Locates in the upper slot of the associated cell
CB5674POP52 2 Channel alarm card
(With repeat relay facility) Large, medium and small window versions Locates in the upper slot of the associated cell
CB5674POP53 2 Channel alarm card
(Without repeat relays) Small window versions Locates in the lower slot of the associated cell
CB5674POP54 2 Channel alarm card
(With repeat relay facility) Small window versions Locates in the lower slot of the associated cell
Card types are supplied suitable for operation from one of the following signal supply voltages 24V,
48V or 125V. These voltages are shown on the individual alarm card and X is used to indicate which
version has been supplied. Alarm cards are plugged into the rear of the annunciator and once
inserted automatically connect to a pre-tested passive display motherboard.
3.8 Pushbutton / Programming Module
The pushbutton/programming module is located in the bottom right hand corner of the annunciator
when viewed from the front unless otherwise specified. It has a power-on LED, integral audible and
six pushbuttons to cover all of the possible sequence combinations. The six pushbutton are:- Lamp
Test, Functional Test, Mute, Acknowledge, Reset and First Reset

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3.9 Pushbutton / Programming Module Options
The pushbutton/programming module is normally integrally mounted within the annunciator however
if required it can be supplied as a standalone item suitable for panel mounting, DIN-rail mounting or
wall mounting.
3.10 Fully Field Programmable
In addition to controlling the alarm sequence the pushbutton module is also used as a configuration
tool to programme the required features on the annunciator. To access the programming functions
the pushbutton fascia must be hinged down to reveal a configuration switch (labelled CONF) located
on the inner face of the assembly. Once the unit is in the CONF mode the user is able to enable or
disable a range of pre-defined features and options. The dual function pushbutton assembly allows
the user to enable any of the 25 embedded features on a per channel basis without having to remove
the power to the annunciator or to remove light-boxes, back-planes or alarm cards.
All programmed information is stored in EEPROM, with a minimum 20-year retention, giving
repeatability and reliability without the need for battery backup.
Note:- Alarm sequences will operate in accordance with any of the standard sequences defined in
the ISA publication "Alarm Sequences and Specifications S18.2 - 1979 (R1985)"
3.11 Expandability Using SI/O Cards
System expansion cards type SI/O are used in applications where either a single pushbutton /
programming module is linked to a number of alarm annunciators or when large cabinets require
additional power distribution terminals to evenly distribute the logic power. In addition to the logic
power terminals the SI/O card is also equipped with IN and OUT ribbon cable sockets to allow ribbon
cable and connectors to be used to link common control functions between annunciators.
3.12 Sleep Mode
Sleep mode is typically used in sub station applications where the visual and audible outputs are
disabled during unmanned periods to reduce the drain on the associated station batteries.
Whilst in sleep mode the logic of the annunciator will continue to react in the normal way including
the operation of common alarm relays, watchdog relay and optional signal duplicating relays, only the
drive signals to the lamp and audible drives are disabled.
Before sleep mode can be enabled a jumper link must be pre-set on the SPR card located inside the
pushbutton / programming cell. To gain access to the SPR card first remove the back-plate on the
SPR module and then remove the associated circuit card assembly using a flat blade screw driver to
gently lever the assembly out using the white nylon pillar. Once the card has been removed locate
the 3 pin header marked FR and SP which is located on the lower of the two cards and check that
the 2 way shorting bar is in the SP position as shown below. Once the jumper has been placed into
the correct position and the card assembly placed back into the annunciator the unit can be set to
sleep mode using a remote mounting normally open maintained switch with one side of the switch
connected to +V (+24VDC) and the other side of the switch connected to terminal FR located on the
rear of the pushbutton / programming cell. Whilst the switch is maintained in the closed position the
unit will remain in sleep mode.
Note: - All normal pushbutton functions are inhibited during sleep mode to ensure that the operator
can view any alarms that occur as soon as the unit is returned to its normal operational state.

INM725 RTK Series 725 Annunciator
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Sleep Mode Jumper Location
FR
SP
SUPPLY 24VDC SPR
FR
OV OVC +V +VC TA RST M
MULT
GPBGPA
HNBHNA
Side View
Assy Pt No
CB4642POP1
Sleep Mode Switch
WARNING!
Remove ALL power from the unit and fully remove the card
before changing any jumpers or switches
3.13 Automatic Mute Or Automatic Acknowledge
Each annunciator is equipped with an integral timer that can be enabled to allow the user to
automatically mute or acknowledge alarms after a pre-set time delay. To set the automatic mute or
acknowledge feature the pushbutton / programming module must be hinged down by inserting a
small flat blade screw driver into the recess on the upper face of the associated surround bezel and
gently levering the pushbutton assembly forward to reveal the information plate which is visible on
the inside face of the module. The two pozidrive screws and washers in the centre of the plate should
be removed to allow access to DIL switch SW7, which is used to set the unit to automatically silence
or acknowledge and to set the required time delay.
WARNING!
Remove ALL power from the unit and fully remove the card
before changing any jumpers or switches

INM725 RTK Series 725 Annunciator
19
Auto Mute / Ack Delay Switch Location (Information Plate Removed)
A4219-*
Posidrive
screws
CB4072POP
ON
SW7
ON OFF
1
OFF
3
2
4
SW7
Automatic Acknowledge or Silence Time Selection
FUNCTION SW7-1 SW7-2 SW7-3 SW7-4
Automatic acknowledge ON
UNUSED
Automatic mute OFF
Disable automatic timer OFF OFF
Enable 1 minute time delay ON OFF
Enable 4 minute time delay OFF ON
Enable 8 minute time delay ON ON
3.14 Integral Audible Alarm
Each annunciator is equipped with an internal 3.5kHz 95dB(A) audible located behind the integral
pushbutton module. The audible is supplied with an adjustable volume control using a single turn
potentiometer. The potentiometer can be accessed by hinging down the integral pushbutton module
using a small flat blade screwdriver in the slot of the surround bezel. The potentiometer is located in
the top right hand corner of the cell as shown below. On systems with channels configured to
activate either the urgent or non-urgent audible relays it is important to note that the internal audible
will only operate on channels set to operate the critical audible relay HNA (see Function F23).

INM725 RTK Series 725 Annunciator
20
Integral Horn Volume Adjustment Location
FUNCTION
STATUS
Internal audible
volume adjustment
Increase
CONF
3.14a Horn adjustment on Remote Pushbutton / Programming Modules
On P725 Systems supplied with Remote Pushbutton / Programme Modules the horn adjustment
potentiometer is located in an alternative position to that shown above. The potentiometer can only
be accessed from the rear of the Pushbutton cell using the following procedure.
1. Remove Power From the annunciator
2. Remove the two green terminal blocks which provide customer terminations on the rear of
the pushbutton cell.
3. Remove the plastic protection cover on the rear of the pushbutton cell
4. The potentiometer is now accessed on the inside face of the pushbutton cell and can be
adjusted as required
Once adjustment has been made the plastic cover and customer terminal blocks can be re-fitted and
the power can be applied to check the volume level.
WARNING!
Remove ALL power from the unit and fully remove the card
before changing any jumpers or switches