LN1000 User Manual - Maxima Automation Solutions Pvt. Ltd
Contents
1. YB LJ ove 1 1 1 vop 2 2 2 3 3 3 5 L3 OVOP 4 4 4 e SIGNAL INPUTS SIGNAL SUPPLY FAILURE m Fe 9 12 5 8 1 4 CONTACT OUTPUT YD CHANNEL NO COMMON ALARM OUTPUT GP CONTACT OUTPUT Sc xc ALARM HORN A OUTPUT CONTACT OUTPUT E3 amp EXPANSION ALARM HORN OUTPUT CONTACT OUTPUT Oo R1 R1 R1 27 OVOP SUPPLY 1 INPUT ai 51 1 amp R2 O 1 53 YC YC z SURREY 2 INPUT O N ST R3 i R3 R3 ST TEST A 5 SUPPLY 1 FAILURE ALARM s s CONTACT OUTPUT M R4 R4 R4 M 0 0 MUTE cil R O2. CHANNEL NO 9 12 cH 5 8 CHL 1 4 cc Bic cle ove Cy 1 Oo 1 CJ 1 oe V_OP o 2 1 2 O 2 ee 0 O 3 Ol oe 0V 4 O 4 O 4 oe 1 COMMON ALARM OUTPUT GP TYPICAL SIGNAL INPUTS ALARM HORN A OUTPUT H 951 HNA 1 e e o o EXPANSION BUS ALARM HORN B OUTPUT HNB So A0 WAY RIBBON E o o CONNECTOR SUPPLY 1 INPUT Ola N E TYPICAL REPEAT RELAY OUTPUTS O N SUPPLY 1 FAILURE ALARM R1 i E 2521 nm nm 2 L3 LJ mua 0 SUPPLY 2 FAILURE ALARM R2 Ir EMI 1 1 Dra H 25 y e J ST TEST 1 1 21 R3 R3 R3 REMOTE PUSHBUTTONS FOR POWER FAILURE ALARMS gt O M mute 4 O RESET R4 R4 p P4 ri 4 PG4 EARTH REAR VIEW Units Supplied from Jan 1 2008 VC o ove 1 1 VOP 2 2 OVOP 113 3 0VOP 4 4
3. LK5 SW5 SW6 RL5 ON NO CONTACT STATE HNB NON CRITICAL F 2 HORN RELAY 12345678 1234 NC y LK3 MENS SNO RTK 7 AS RP EE Ris Y 12345678 1234 CONTACT STATE SUPPLY 1 EN ZA GPA COMMON FAILURE LED 3 Ria NC 7 ALARM RELAY ALARM X SUPPLY 2 FAILURE LED4 NO NORMALLY NO 27 RL4 ALARM 2 CONTACT STATE _ CRITICAL NORMALLY CLOSED NC HORN RELAY 1 hia C LED2 NC NO CONTACT STATE Aa SUPPLY 2 TEST swi 212 FAILURE MN swz NO RL1 CONTACT STATE MUTE EN SW4 C SUPPLY 1 FAILURE ALARM CARD SPR Supply P B s and Relays Card showing DIL switches Figure 13 5 0 gt lt RTK Series UC625 Annunciator SPR Card Horn Relay And Pushbutton Settings CHANNEL NO 1 AND 2 ON 112345678 ja OFF 1 L UNUSED OFF REMOTE
4. PLU CB5303POP1 fl ol a ALARM CARD 12345678 swa 24VDC SET FOR 24VDC N SUPPLY VOLTAGE ee RTK 12345678 CONTACT SET x gt LK Jae J NC y jr BEBA ASIC 2 a V 12345678 AS5317 9 NO NORMALLY CLOSED 2 9 9 ne P INI e 2 4 E 2 83710 je NY 322221 NA 12 NORMALLY OPEN sw2 ON NC BA Ae RL4 12345678 O NO 220 NC a SW5 ul ono Z 12345678 NC RL2 uo I m SW6 E NO lalala NC 12345678 Ao Alarm Card DIL Switch Location Figure 10 DIL Switch Functions On Alarm Cards Channels can be configured to suit individual requirements for the particular application Three DIL switches are provided for each pair of channels as follows CARD Alarm Alarm Alarm Alarm Table 26 1 2 3 and 4 1and2 3 and 4 CHANNELS SWITCH SW1 Refer To Table 27 SW Refer To Table 27 SW3 and SWA Refer To Fig 10 SW5 and SW6 Refer To Fig 11 37 Alarm Card Input Response Settings Set Per Channel STANDARD VERSIONS CHANNEL 5mS 25mS 50mS sw1 st sw1 s1 OFF sw1 s1 OFF 5001 51 OFF 1 sw1 S2 OFF Sw1 S2
5. 44 Opi OO 2 dr 47 Option 00 Horn Disable On System 0 2 47 Option 01 Lamp Test Instead of Functional 47 Option 02 Ringback Horn 47 Option 03 ISA R12 47 Option 04 Response Times sssssssssseseseeeeene entente AAAA aana aeaa nnns snnt en 47 Option 05 Lamp Audible enne 47 Multiple Option odes sesso eue O 47 Trouble Shooting Guide lode ien bo be 48 Other RTK Produts une rien ee reca E repete E eI aii dei 52 Card Switch Settings Required Set Alarm Sequences 53 Figures m _Page No_ 1 Example Of A 12 And 20 Way UC625 Alarm Annunciator 8 2 Panel Fixing Arrangement 29 Channel Numbering 30 Typical Connection Details 31 Optional Remote Pushbutton Connections 33 EN Standard Signal Input Connections 33 7 24VDC Powered Signal Input Connections 34 48 110 250VAC DC Powered Signal Input Connections 34 Sleep Mode 35 10 Alarm Card Showing DIL Switches 36 41 Alarm Card DIL Switch details SW3 and SW5 37 42 Alarm Card DIL Switch details SW4 and SW6 38 43 SPR Card Showing DIL Switches Supply 5 and Relays
6. 2 z SIGNAL INPUTS SIGNAL SUPPLY FAILURE Cll 9 12 1 4 CONTACT OUTPUT YD CHANNEL NO COMMON ALARM OUTPUT GP CONTACT OUTPUT XA XB xc ALARM HORN A OUTPUT CONTACT OUTPUT oO EXPANSION ALARM HORN OUTPUT CONTACT OUTPUT a R1 R1 R1 O eL SUPPLY 1 INPUT x C3 ga R2 R2 um YC YC ds a a 218 SUPPLY 2 INPUT 27 sr R3 R3 R3 TEST A ACK SUPPLY 1 FAILURE ALARM sin CONTACT OUTPUT i M R4 R4 R4 MUTE R RESET SUPPLY 2 FAILURE ALARM ES 2 CONTACT OUTPUT z x 22 PB INPUTS RELAY OUTPUTS PB INPUTS 45 Figure 17 UC625 Master Units with Ribbon Expansion Socket CHANNEL NO 9 12 5 8 1
7. RESET SUPPLY 2 FAILURE ALARM E CONTACT OUTPUT S Z 5 v 5 PB INPUTS RELAY OUTPUTS PB INPUTS Power Connections RTK series UC625 annunciators are supplied as standard with two integrally mounted universal Input power supplies supply 1 and 2 capable of accepting either SUPPLY VOLTAGE TERMINAL BLOCK TERMINALS 85 264VAC or 88 360VDC PG2 Supply 1 L N 85 264VAC or 88 360VDC PG2 Supply 2 L and N Table 23 These two supplies are fully isolated from each other so no additional transformers or external components are required Aux Supply Option The second power supply input Supply 2 can be suitable for connection to a nominal 24VDC 19 31VDC supply as an option SUPPLY VOLTAGE TERMINAL BLOCK 1 85 264VAC or 88 360VDC PG2 Supply 1 I P 24VDC or 19 31 VDC PG2 Supply 2 Table 24 32 RTK Series UC625 Annunciator gt o o Signal Supply The standard UC625 generates an internal redundant 24VDC for use as the signal supply voltage The signal supply voltage is protected by fuse F1 located in the top left hand corner on the rear of the enclosure and internally linked to all of the C terminals on the rear of the UC625 for distribution to the associated signal input contact Signal Supply Monitor Relay On systems supplied after January 1 2008 a field contact supply monitor relay has been added to provide remote indication of loss of the field conta
8. 51 52 OFF SW1 S2 OFF OFF 54153 2 Table 27 Alarm Card Input Response Settings Set Per Channel M3 OPTION VERSIONS SWIS swiss OFF SW1 S5 2 Sw1 S6 OFF SW1 S6 ON SW1 S6 OFF Sw1 S6 OFF sw1 S7 OFF SW1 S7 OFF Sw1 S7 ON 501 57 OFF SW2 S1 SW2 S1 SW2 S1 OFF SW2 S1 OFF SW2 S2 E sw2 s2 27 Sw2 S2 OFF Sw2 S2 OFF 5 2 53 OFF SW2 S3 OFF SW2 S3 SW2 S3 OFF SW2 S5 ON SW2 S5 OFF SW2 S5 OFF SW2 S5 OFF SW2 S6 OFF SW2 S6 ON SW2 S6 OFF SW2 S6 OFF 80257 38 RTK Series UC625 Annunciator __ Alarm Card Input And Sequence Settings Set In Pairs CHANNEL NO CHANNEL NO 1 AND 2 3 AND 4 ON 1234567 Sw3 12345678 SW5 OFF ala la g E deal FUNCTIONS ARE IDENTICAL SW3 NORMALLY CLOSED INPUTS 1 OFF NORMALLY OPEN INPUTS L ON ENABLE FIRST UP L e ON AUTOMATIC RESET a ON TWO PUSHBUTTON OPERATION BOTH ON NON LOCK IN MODE ON RINGBACK SEQUENCE ON INPUT REFLASH ENABLED REFER SECTION FIRST UP F
9. requirement and is connected in the polarity indicated The green LED associated with supply 2 is not lit and the power failure alarm is active Measure the voltage on the power input terminals marked supply 2 located on the rear of the unit and verify that the level matches the requirement and is connected in the polarity indicated When the signal input contact closes or opens no alarm occurs on the annunciator Check that the signal supply fuse F1 rated 125mA located in the top right hand corner when viewed from the rear of the unit is in working order and check that the corresponding signal supply voltage is present on the customer terminals on the rear of the unit which can be measured between terminals OVC and any of the terminals marked C Common located at the top of each row of signal input terminals Caution Although 24VDC is the standard signal supply voltage options exist for 48VAC DC 120VAC DC 250VAC DC Although the field contacts are known to be in the non alarm condition the alarms remain in the on state and cannot be reset If alarms are set to operate from normally closed contacts and the signal supply fuse blows all alarms will operate as though an alarm has occurred and after the ack and reset pushbuttons have been pressed the alarms will remain in steady on state and cannot be reset until the supply is re instated Check that the signal supply fuse F1 rated at 125mA has not blown Fuse
10. 12 O RTK Series UC625 Annunciator gt o o Inputs amp Outputs Customer Connections All connections to the alarm board inputs and outputs are made via quick disconnect rising clamp two part plug able connectors Annunciator Inputs The standard Series UC625 Annunciator operates from either a normally open or normally closed contact Standard systems use an internally generated 24VDC as the signal supply voltage however options exist if specified at the time of order to allow the user to use direct powered inputs 24VAC DC 100 48VAC DC 120 110VAC DC 220 250VAC DC 400 Please note The above min amp max voltages are typical values in reality the inputs are designed to withstand substantially higher voltages for prolonged periods under fault conditions As field contacts are often great distances from the annunciator it is advisable to run the contact cables separately from circuits carrying heavy currents and or high voltages so as to minimise the effects of induced voltages A transient filter is built into the input circuitry so that low voltage interference will be ignored Contacts may be continuous or fleeting the annunciator can be selected to lock in fleeting alarms if required Optically Coupled Inputs All inputs from alarm contacts and external pushbuttons are optically coupled This method of operation improves the system s tolerance to noise interference and allows operation from voltage Sourc
11. 4 Ei gie cle Ec A ove J 1 1 3 1 oe NA V_OP 1 2 O 2 2 ee 125 mA T E a 0 rs 3 E3ls oe 1 0 OP LJ 4 O 4 O 4 oe TYPICAL SIGNAL INPUTS o o EXPANSION BUS o o 10 WAY RIBBON T o o CONNECTOR SUPPLY 1 INPUT CJ 8 N IL aa DIS TYPICAL REPEAT RELAY OUTPUTS N C m O 21 EJ SUPPLY 1 FAILURE ALARM R1 R1 R1 SUPPLY 2 FAILURE ALARM R2 EA CJ R2 1 1 Re 2D R2 Lj Lj e LI eE R3 R3 R3 22 O ee ET pj R4 R4 pj R4 4 PG4 EARTH Figure 18 UC625 Expansion Units with Ribbon Expansion Socket L O RTK Series UC625 Annunciator nmn OO Options Additional options have been developed since the launch of the UC625 Alarm Annunciator but please note these options must be specified at the time of ordering Option 00 Horn Disable On System Test When the system test pushbutton is pressed on standard UC625 units it simulates a full alarm state and verifies that the visual and audible circuits are operating correctly When option 00 is specified the audible alarms are prevented from operating as a result of the system test pushbutton being pressed Please note The audible alarms will operate in the normal manner as a result of an alarm input being abnormal Option 01 Lamp Test Instead of Functional Test Pressing the test pushbuttons on standard UC625 units will simulate a full alarm condition
12. PUSHBUTTONS CONTROL SPR CARD ALARMS ON zINTEGRAL PUSHBUTTONS CONTROL ALL ALARMS ON AUDIBLE OUTPUTS SIGNAL TO amp AUDIBLE 2 ON AUDIBLE OUTPUT SIGNAL TO amp AUDIBLE 1 ON PRESSING SYSTEM TEST WILL NOT OPERATE REPEAT RELAYS ON ENABLE GROUP REFLASH SIGNAL TO GROUP RELAY ON ENABLE GROUP RELAY OUTPUT SIGNAL e OFF NORMALLY ENERGISED POWER MONITOR RELAYS ON NORMALLY DE ENERGISED POWER MONTOR RELAYS Figure 14 SPR Card DIL Switch details SW5 Automatic Acknowledge Timer Located On SPR Card APPROX TIME SPR CARD SW6 S1 SW6 S2 15 Seconds ON OFF 50 Seconds OFF ON 170 Seconds ON ON Disabled OFF OFF Table 28 Internal Horns Disable Located On SPR Card FUNCTION Critical Horn Non Critical Horn Table 29 O_o y 41 Maintenance No Special Tools Required All maintenance is achieved from the front of the annunciator without the use of special tools For Alarm Card or Supply Pushbutton Relay Card replacement or to change the mode of operation only the front legend plate needs to be removed Legend Plate Removal The legend plate is easily removed by undoing the associated fixing screws to reveal the plug in Alarm Cards and Supply Pushbutton Relay Card Film Legend Engraving Film legends are accessed from the side of the legend plate and simply slide in place between the two layers used within the plate Alarm Card or SPR Card Removal In the event of
13. alarm card or SPR card failure or to change feature settings the associated cards are easily removed for repair or configuration by simply pulling on the card edge to remove it from the associated edge connector Replacement is the reverse of removal note that care must be exercised when replacing the board to ensure that the card is properly located into the card guide runners before firmly pressing the module into the associated edge connector Alarm Cards are designed to allow insertion and removal with power applied however due to the high voltages present on the primary supply of the SPR module it is recommended that the power is isolated before the SPR is removed or inserted Super Bright LED s To obtain a virtually maintenance free alarm system the UC625 annunciator is fitted with super bright LED s These LED s can be supplied in different colours to suit alarm priorities if notified at time of order Colours available are red amber yellow white and green Fuse replacement Each UC625 annunciator can contain a maximum of two fuses One is used to protect the signal supply voltage feed to the external alarm contacts and is situated on the rear of the enclosure in the top right hand corner as detailed below The second fuse is located in a surface mount socket on the Supply Pushbutton Relay SPR Card and is used to protect the power input on Supply 2 when 24VDC is used as an aux supply Replace fuse with a 1A F surface mount fuse Ty
14. do not flash The audible device does not operate when subsequent alarms occur unless still operating from the first alarm The acknowledge pushbutton will reset the first up indication F2 In this mode all subsequent alarms do not flash they will however operate the audible device The acknowledge pushbutton will reset the first up indication Automatic Reset In this mode any signal contact which returns to normal after the acknowledge pushbutton has been pressed will automatically reset If the alarm contact returns to normal prior to acknowledge the alarm will reset immediately after the acknowledge pushbutton has been operated Non latch Sequence No lock in In this mode alarms will automatically reset as soon as the signal input returns to the normal state It is therefore possible that a fleeting alarm will occur and return to the off state without operator intervention Whilst the alarm is in the abnormal state the operator can silence or acknowledge the alarm in the normal way Reflash Feature In the standard mode when an alarm has occurred and the acknowledged pushbutton activated any further changes of state to the alarm contact will not affect the alarm window display With reflash enabled any alarm that returns to normal and re occurs will re initialise the window 16 O RTK Series UC625 Annunciator nmn OO Ringback Sequence This mode uses visual and audible signals to indicate that the alarm has returned
15. feature Channel 1 amp 2 SW4 Position 5 ON Enable Reflash SW4 Position 5 OFF Disable Reflash Channel 3 amp 4 SW6 Position 5 ON Enable Reflash SW6 Position 5 OFF Disable Reflash OC FF TTF Other RTK Products RTK Instruments Ltd produces a range of complementary products for many applications in the Industrial Control and Instrumentation field for both safe and hazardous areas as listed below All standard products come complete with a 5 year warranty from this S09001 2000 approved company Alarm Annunciators Remote Logic Alarm Systems Alarm Management software and Touch screen Annunciators Lamp boxes and Display Facias Sequence of Event Recorders Trip Amplifiers Trip Monitoring Systems Signal Converters and Isolators Frequency Converters Signal Converters Frequency Converters Universal Panel Meters and Large Displays Power Supplies Loop Powered Isolators and Displays Complete range of Hazardous Area products including Intrinsically Safe Alarm Annunciators Explosion Proof Alarm Annunciators Intrinsically Safe LED Beacons Intrinsically Safe Light Towers Intrinsically Safe LED Indicators Intrinsically Safe Illuminated Switches and Pushbuttons Intrinsically Safe Sounders Intrinsically Safe Relays IS Interface Units including Zener Barriers IS Isolators and Multiplexers Please ring our sales office or visit our web site at to obtain our latest product information
16. field contacts Powered input versions rely on the customer generated signal supply being available at all times The Power Failure alarm channels are fixed at alarm sequence ISA M and are therefore controlled by System Test Acknowledge and Reset Pushbutton inputs to allow full control over the alarms In sub station applications it is common for a number of annunciators to share a common set of controlling pushbuttons the pushbutton inputs can therefore be connected between units as required In addition to the full alarm capability each power failure alarm channel is also equipped with a Signal Duplicating Relay to allow notification of power failure to 3 party devices A volt free contact is provided per supply input which will change to abnormal on alarm and remain in the abnormal state until power is restored The output can be changed to normally open or normally closed as required Please note the Signal duplicating contacts are not affected by the System Test pushbutton and act as faithful slaves of the Signal Input Serviceability All servicing is carried out from the front of the unit having first removed the legend plate The alarm boards are universal and thus fully interchangeable as required No Special Service Tools Required A screwdriver is the only tool required to remove the legend plate to access the alarm and power board in order to replace or remove the circuit board to make adjustments to the DIL switches
17. occurred The reflash function ensures that when monitoring the alarms from a remote location users are fully aware of alarm activity on the unit Dual Audible Alarm Feature UC625 systems are supplied as standard with two integral audible alarms designated critical audible and non critical audible Each pair of alarms can be set to operate the associated audible Dual Horn Relays HNA HNB All units are supplied with dual integral horn relays one for critical alarms HNA and one for non critical alarms HNB Each pair of alarms within the unit can be set to operate either or both of the relays as required When an alarm occurs the horn relay contact will change state and the contact will remain in the alarm state until the ack or mute pushbutton has been pressed or the automatic ack timer has activated The Customer can disable the automatic timer circuit if required as described later in the manual Dual Power Monitoring Relays Two integral power monitor relays are provided as standard one monitors the primary supply and one monitors the secondary supply input The power monitor relays are factory set to be normally energised and will de energise if the primary or secondary supply fails Each coil of the relay can be set to be normally energised if required and the relay contact can be set using LK1 Supply 1 and LK2 Supply 2 on the SPR card to normally open or normally closed RTK Series UC625 Annunciator Mech
18. 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 and individual channel signal duplicating relays only the drive signals to the LED s and audibles are disabled An externally mounted two pole switch is required for sleep mode connected as shown below Sleep mode is active when the switch is in the closed position aa j vc ove Nd VOP Lj Lj A O O SLEEP MODE D NU PB INPUTS Connection for Sleep Mode Figure 9 36 O RTK Series UC625 Annunciator System DIL Switch Location and Functions Remove the front legend plate assembly by removing the associated screws to access the plug in alarm cards Each card is equipped with a number of DIL switches which are used to select the various options on a per pair of channels as shown below For further details on the operation of the alarm sequences refer to the section headed sequences
19. rear of the unit The common return for both poles is 26 OHH O RTK Series UC625 Annunciator Specification Optically Coupled Inputs Input Types Volt Free Contacts Normally Open Normally Closed 48VAC DC Field Contact Voltage Standard 24VAC DC 110VAC DC 250VAC DC Contact Resistance N C Series Resistance of contact cables 5k ohm maximum Parallel Resistance of contact cables 150k ohm minimum Common Mode 1kV Contact Resistance N O Response Time Std Version Response Time M3 Version Surge Withstand Transient To IEC 255 4 1 2 50mS Series Mode 2kV Inputs protected against accidental connection to 240VAC 50Hz or 1000V Megger testers PSU Reverse Polarity Input Protection Protection First up Discrimination 10ms 5ms Outputs Visual 8mm Super Bright Led Audible Dual Integral Audibles Dual Integral Horn Relays Contact Rating resistive Horn Relays e 240VAC 220VDC max e 24VDC 2A e 125VDC O 0 5A Contact Rating resistive e 240VAC 220VDC max e 24VDC 2A e 125VDC O 0 5A Contact rating resistive Individual Channel 240VAC 125VDC Relay outputs may be normally Repeat Relays e 24VDC 2A e 125VDC 100mA Common Alarm Relay energised or de energised on fault as required Oo 27 Signal Supply On systems supplied after 1 January 2008 a signal supply monitor Monitor Relays relay is pr
20. the user requires additional delay with regards to the response time and option 04 provides a minimum setting of 5ms and a maximum setting of 5 seconds Option 05 Lamp Audible Test In some applications Customers require the Lamp Test pushbutton to simulate the operation of the audible alarms whilst the pushbutton is being pressed Option 05 adds horn test to the lamp test function Multiple Option Codes To simply the ordering code on the UC625 units that require more than one of the above options use a suffix letter M and number to indicate which options are fitted M1 Option 00 Fitted M2 Options 01 and 02 Fitted M3 Options 01 02 03 and 04 Fitted M4 Options 01 02 03 04 and 05 Fitted Oo 47 Trouble Shooting Guide The following section is issued as a guide to aid fault finding on the UC625 alarm annunciator Units are shipped from the factory with the default settings highlighted in each section within this manual unless otherwise advised at the time of order As a number of features can be enabled or disabled by the user using the DIL switches located on the alarm and SPR modules it is recommended that a note is made of any switch settings prior to fault finding Symptom Probable Cause The green LED associated with supply 1 is not lit and the power failure alarm is active Measure the voltage on the power input terminals marked supply 1 located on the rear of the unit and verify that the level matches the
21. to normal and the operator can reset the alarm When an alarm contact returns to normal the ringback circuit will pulse the audible alarm and the associated LED will flash at approx half the speed of the normal alarm flash rate Ringback operation may be used with all but non latched and auto reset sequences and operates in the same way for all first up sequences FO to F2 Two Pushbutton Operation In certain circumstances using remote pushbuttons it may be desirable to use only two pushbuttons Reset and Lamp Test The Reset pushbutton is used to Acknowledge an alarm if the contacts are in the alarm condition and to Reset it if the contacts are clear Status Only Operation In applications where the user wishes to indicate the current status of plant machinery the channel can be set to status only In this Mode the associated LED will be either on or off as the Input changes state Example alarm normal PUMP ON alarm abnormal PUMP OFF Please note This feature is only selectable in pairs Channel 1 amp 2 or Channel 3 or 4 Please refer to the last page of the manual for details of the switch settings required for each of the following sequences Option M4 When option M4 is specified in the Model No a combined Lamp Audible Test is provided in place of Lamp Test Sequence Configuration and Tables Each pair of alarm channels can be configured to suit the operating sequence required as listed in the ISA publication Alarm Se
22. 2 141 x 276 36 154 x 320 141 x 304 40 154 x 348 141 x 332 Table 1 Please note Cut Out Dimensions have a tolerance of plus or minus 0 5 mm Unit Depth All UC625 Units are 130 mm Deep Sequences Summary From the sequence tables shown later in the manual it will be evident that an alarm occurring causes a flashing visual indication with audible Mute is used to silence the audible only Acknowledge stops the flashing and audible Please note If a new alarm occurs on an already acknowledged system the horn will re sound and the new alarm will flash in accordance with the selected sequence Reset will return the alarm to the normal off state only when the unit has been acknowledged and the associated alarm contact has returned to normal First up Sequences When a group of alarms is initiated it is often important to know which of them was the first to occur This is achieved by having the first up alarm flashing in a different manner compared to the subsequent alarms Three different first up sequences are available FO F1 F2 as detailed below and in the following sequence tables First up operation should be used with care with the auto reset sequence and non latch sequence as momentary alarms can cause ambiguity FO The standard mode adopted by RTK Instruments which indicates the first up alarm by flashing at twice the rate of subsequent alarms F1 In this mode subsequent alarms appear in the acknowledged state hence they
23. 39 44 SPR Card DIL Switch details SW5 40 45 Signal Supply Fuse Location 42 16 Fuse Location For Systems Using Aux 24VDC Supply 42 117 UC625 Master amp Expansion Rear Terminal Views 44 18 UC625 Expansion Units with Ribbon Expansion Sockets 44 RTK Series UC625 Annunciator Tables 15 ISA M Sequence 18 s semasmuexe a s SeaesSSmumeSmusOmy gt s mucmuam gt 2 2 2 a a a a a 23 Power Connections 31 2 25 Pushbutton Options 32 26 Alarm Card DIL Switch Functions 36 27 Alarm Card Input Response Settings 37 Auto Ack Timer Located on SPR Card Internal Horns Disable on SPR Card Switch Settings PER Alarm Sequence MAIN DC SUPPLY FAIL AUX DC SUPPLY 1 SUPPLY 2 SUPPLY FAIL INSTRUMENTS SUPPLY 1 SUPPLY 2 7 TEST ACK MUTE 2 RESET Examples of a 20 and 12 way UC625 Alarm Annunciator Figure 1 RTK Series UC625 Annunciator nmn OO Introduction The RTK UC625 Series Alarm Annunciator system is designed to give LED indication of an alarm condition where a high degree of reliability and flexibility is required Each system comprises a compact cabinet removable legend plate universal Alarm Cards and a Supply Pushbutton Re
24. Alarm Card is fitted with DIL switches which are used to select the required features for each pair of alarms Reliable Annunciation The fact that all the cards are identical means that in the RTK Series UC625 alarm system there is no master or controlling card failure of which could jeopardise the whole system System control is arbitrarily allocated to any one of the alarm modules Should this card be removed damaged or fail for any reason another card will take over system control This method of operation results in a system with no single source of failure and multiple redundancies giving the most reliable form of annunciation possible Supply Pushbutton Relay Card SPR This card is fitted in the right hand side of the annunciator and has 4 pushbuttons to cover all system functions and two power on LED s The four pushbuttons are System Test Acknowledge Mute and Reset The two green LED s are used to indicate Power On for Supply 1 main and Supply 2 aux Power Failure Monitoring The SPR Card is fitted with two power failure alarms which are used to monitor Supply 1 and Supply 2 and provide full alarm capability when either supply is not present on the unit The two supply inputs provide FULL redundancy of operation so that failure of a single supply input will have no affect on the overall operation of the unit The standard version which uses an internally generated 24VDC Signal Supply to provide a feed to the
25. Alarm Relay Contact can be set to N O or N C as follows Please note LK4 and LK5 refers to the 3 pin headers and 2 way shorting links located on the SPR card used to select the contact state FUNCTION SET CRITICAL HORN RELAY NON CRITICAL HORN RELAY Normally Open RL4 LK4 RL5 LK5 Normally Closed Table 15 Integral Horn Disable The two integral horns designated critical and non critical fitted to the SPR card can be enabled or disabled using the following configurations CRITICAL HORN NON CRITICAL HORN SW6 S4 SW6 S3 Enable Disable Enable Disable ON OFF ON OFF Table 16 Auto Acknowledge Feature The critical and non critical horns horn relays can be automatically acknowledged after a pre set time period using the following configurations Table 17 24 RTK Series UC625 Annunciator Common Alarm Relay Each unit is equipped with a common alarm relay RL3 to allow a summary alarm contact to be wired to 3 party devices FUNCTION ALARM CARD CHANNEL SPR CARD SW4 S3 ON SW6 S3 ON SW5 S2 ON SW4 83 OFF SW6 S3 OFF 5 5 52 OFF Table 18 The Common Alarm Relay Contact can be set to N O or N C as follows CONTACT STATE RELAY LINK SETTING Normally Open N O Normally Closed Table 19 Please Note LK3 refers to the 3 pin header and 2 way shorting link located on the SPR card used to select the contact state Reflash Option If a standing alarm is present on the uni
26. Duplicating 13 Selectable Response 13 Common Alarm Group Relay GP eene nene nnne nnne nennen 14 Reflash FUNCION 14 Dual Audible Alarm 521111 14 Dual Horn Relays 14 Dual Power Monitoring Relays 14 Mechanical Deltalls citet ne ee eee 15 A oe a Gila 15 SPR Card Supply nnne nennen 15 System Assembly iea siini enh dee Glare elle du rds lee dd 15 UC625 DIMENSIONS day AA A ea eet Ge el iv deed ees 15 Unit RA 15 SEQUEN CCS nee a 16 A 16 5 E 16 Automall RESE etm 16 Non latch Sequence 1 16 2 5 16 5 17 Two Pushbutton Operation 4 01 0 0 1 17 Stat
27. F1 is located in the top right hand corner of the unit when viewed from the rear Check that the Inputs have been correctly set to operate from either a normally open N O or normally closed N C and they have not been accidentally inverted The following switch settings are used to set the input type Channel 1 amp 2 SW3 Position 8 OFF SW3 Position 8 ON N C Channel 3 amp 4 SW5 Position 8 OFF SW5 Position 8 ON N C 48 o RTK Series UC625 Annunciator ________ gt ____ Symptom Probable Cause When an alarm occurs Each channel can be selected to operate either of the two integral horns the LED s operate horn relays as required correctly but the audible alarms do not sound Internal horns and horn relays are enabled by placing the following switches to the ON position on the SPR Card HNA SW5 Position 5 HNB SW5 Position 6 Each pair of channels can be set to activate either of the audibles using the following switches located on each alarm module Channel 1 amp 2 SW4 Position 7 set to ON SW4 Position 8 set to ON Channel 3 amp 4 SW6 Position 7 set to ON SW6 Position 8 set to ON Module inter Alarm cards are designed to be able to be removed and installed with changeability power applied All Alarm Cards are universal in application and designed to be able to plug into any vacant card slot however it is recommend t
28. Ot 1 oe X out E 8 V OP 2 5 2 3 2 o 125 mA T O 8 ol Els ris oe PGI E 0 O 4 O 4 LI 4 ee O oe COMMON ALARM OUTPUT E GP TYPICAL SIGNAL INPUTS ALARM HORN A OUTPUT HNA ma e e ALARM HORN B OUTPUT HNB IL SUPPLY 1 INPUT H Ola N e IL SURREY DINPUT 7 TYPICAL REPEAT RELAY OUTPUTS 7 e e SUPPLY 1 FAILURE ALARM R1 R1 R1 R1 LT L L SUPPLY 2 FAILURE ALARM R2 1 Re LJ LJ R2 y Lj Ea EST TEST ma 21 R3 R3 R3 CONNECTION FOR OPTIONAL A ACK 3 AS E M MUTE O REMOTE PUSHBUTTONS a Ol C a I RESET oO Lj Lj oe 4 PG4 EARTH Typical Connection Details Figure 4 OH 3 Please Note Systems supplied after January 1 2008 are fitted with quick disconnect terminals complete with locking screws suitable for a max of 2 5mm sq cables per the revised layout shown below
29. RTK Instruments Ltd St James Business Park Knaresborough N Yorkshire HG5 8JP UK Tele 0044 0 1423 580 500 Fax 0044 0 1423 580 501 www rtkinstruments com Due to our policy of continuous product development we reserve the right to amend these specifications without notice BI 12777 02 Card Switch Settings Required To Set Alarm Sequences Sequence ISA M ISA A ISA A 4 ISA R ISA A 5 6 Status Only Flash Rate Fast Flash Slow Flash Fast Flash Slow Flash ISA F1A ISA F2M 1 OFF Card Channels Alarm 1 2 Alarm 3 4 SPR 1 2 Alarm 1 2 Alarm 3 4 Alarm 1 2 Alarm 3 4 Alarm 1 2 Alarm 3 4 Alarm 1 2 Alarm 3 4 Card Alarm Alarm Alarm Alarm Switch SW3 SW5 SW3 SW5 SW3 SW5 SW3 SW5 SW3 SW5 SW3 SW5 SW3 SW5 Switch Suffix Number S2 S3 S4 S5 OFF OFF OFF OETA MGE UR SPR Card is supplied in Sequence ISA M ONLY OFF OFF OFF OFF OFF OFF ON OFF ON OFF OFF ON OFF ON oF OFF OFF OFF Table 30 Switch Settings Per Alarm Sequence OFF OFF OFF OFF Page 18 19 20 53
30. UC625 Compact Alarm Annunciator Important Note The UC625 system described herein operates on a logic voltage of 24VDC and as standard 24VDC is used for the field contact supply voltage External power supplies using higher voltage AC DC primary sources and optional high voltage field contact voltages may be present if this is the case please ensure the necessary precautions are taken DATED DESCRIPTION AUTHOR APPROVED Added powered l P details 16 06 03 Sorrected remote PB details P Cartmell T McLeman 22 12 03 Cut Out dimensions clarified P Cartmell 12 03 04 Sleep mode added P Cartmell Trouble shooting guide added option M1 25 03 04 and M2 added P Cartmell T McLeman Status sequence added expansion unit 06 08 04 added Name change to RTK Instruments P Cartmell T McLeman Ltd OV OP correction 01 05 07 Option 4 added to provide Lamp P Cartmell T McLeman Audible Test 22 05 07 Option M3 Response Time Spec P Cartmell 29 10 07 Repeat Relay Ratings clarified P Cartmell 02 11 07 Signal Supply Monitoring amp Terminals with P Cartmell T McLeman locking screws added RTK Instruments LTD 2004 The copyright in this work is vested in RTK Instruments Ltd 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
31. UC625 annunciators are equipped with an automatic acknowledge timer facility typically used during commissioning or in un manned applications The common SPR card is equipped with switches that allow the user to set a defined time period of 15 Sec 50 Sec or 170 Sec This timer circuit can be disabled if required Please refer to Section 10 Para 10 7 for full details When an alarm occurs the common alarm relay does not operate All UC625 units are equipped with a common alarm relay which changes state when any alarm occurs on the unit Each pair of channels can be set to operate the common alarm relay if required using switches mounted on the Alarm Card Channel 1 amp 2 SW4 Position 1 ON Enable common alarm signal SW4 Position 1 OFF Disable Common alarm signal Channel 3 amp 4 SW6 Position 1 ON Enable common alarm signal SW6 Position 1 OFF Disable Common alarm signal The Common alarm relay can also be set to follow the signal input or follow the alarm logic Please refer to Section 10 Para 10 4 for full details The common alarm relay activates when get one alarm but if another alarm occurs the relay remains in the alarm state All UC625 units are equipped with switches that allow the user to select if the common alarm relay should reflash every time a new alarm occurs causing the contacts to drop out and re activate typically within 500mS Switches are provided on the Alarm Card to control this
32. UNCTIONS Figure 11 Alarm Card DIL Switch details SW3 and SW5 Alarm Card Relay And Horn Settings Set In Pairs CHANNEL NO CHANNEL NO 1 AND 2 3 AND 4 12345678 yy OFF FUNCTIONS ARE IDENTICAL TO SW4 12345678 SW6 ON AUDIBLE OUTPUT SIGNAL TO HNB amp AUDIBLE 2 ON AUDIBLE OUTPUT SIGNAL amp AUDIBLE 1 ON PRESSING SYSTEM TEST WILL NOT OPERATE REPEAT RELAYS ON ENABLE REFLASH SIGNAL TO GROUP RELAY e OFF GROUP RELAY SIGNAL FOLLOWS ALARM LOGIC GROUP RELAY SIGNAL FOLLOWS INPUT ON ENABLE GROUP RELAY OUTPUT SIGNAL OFF NORMALLY ENERGISED REPEAT RELAYS 0 7 J NORMALLY DE ENERGISED REPEAT RELAYS e OFF REPEAT RELAYS FOLLOW ALARM LOGIC ON REPEAT RELAYS FOLLOWS SIGNAL INPUT Figure 12 Alarm Card DIL Switch details SW4 and SW6 OMS adam _ 89 DIL Switch Settings SPR Card Remove the front legend plate assembly by removing the associated screws to access the plug in SPR card This card is equipped with a number of DIL switches which are used to select the various options as shown below
33. able The following connections are made via the 10 way ribbon cable RTK Series UC625 Annunciator UC625 Master amp Expansion Rear Terminal Views REAR VIEW Units shipped August 2004 to Dec 2007
34. act FUNCTION ALARM CARD CHANNEL Normally Open Normally Closed Table 9 Signal Duplicating Relays The alarm and SPR cards are supplied with an integral repeat relay per channel which can be configured to operate as 1 Normally de energised or normally energised 2 Normally open or normally closed contact 3 Input follower or logic follower De Energised Energise On Alarm or Energised De Energised on Alarm FUNCTION ALARM CARD CHANNEL SPR CARD EA E 1 2 ms SWS Energsed Relays Energised Relays Table 10 Relay Contact Normally Open or Normally Closed De Energised Relay State Please Note LK1 to LK4 refer to the 3 pin headers and 2 way shorting links which are used to select contact state FUNCTION ALARM CARD SPR CARD Table 11 22 RTK Series UC625 Annunciator nmn OO Repeat Relay Mode Of Operation The repeat relays can be configured to operate as Input Follower The relay will activate when an alarm occurs and automatically return to normal when the alarm returns to the normal state Logic Follower The individual relay will activate when an alarm occurs and only return to normal when the alarm has returned to the normal state and the logic has been reset FUNCTION ALARM CARD CHANNEL SPR CARD 1 2 3 4 142 Input Follower SW4 S1 SW6 S1 ON Automatic Logic Follower SW4 S1 OFF SW6 S1 OFF Table 12 Operation of Repeat Relays D
35. anical Details Alarm Card Each alarm card provides all common alarm sequences as listed in the ISA specification Alarm Sequences and Specifications 18 1 1979 R1985 The universal alarm card plugs into the edge connectors mounted on the inside of the motherboard the size of motherboard being determined by the total number of alarms required SPR Card Supply Pushbutton Relay This module is the same size shape and fixing as an alarm card and is equipped with System Test Acknowledge Mute amp Reset pushbuttons necessary for all of the available operating sequences This module is fitted in the extreme right hand edge connector within the annunciator and is polarised to ensure it cannot be placed into the wrong card slot System Assembly Systems are supplied pre assembled with motherboards used to match each system configuration i e number of ways high is always 4 x number of cards wide plus a Supply Pushbutton Relay SPR Card with 2 ways always used for power failure monitoring The cards required alarm ways divided by 4 plus Alarm Sequences and Specifications S18 1 1979 R1985 Are plugged into the motherboard and the appropriate legend plate is then fixed to the front of the unit UC625 Dimensions NUMBER OF OVERALLSIZE CUT OUT SIZE ALARM WAYS H X W MMS H X W MMS 12 154 x 152 141 x136 16 154 180 141 164 20 154 208 141 192 24 154 x 236 141 x 220 28 154 x 264 141 x 248 32 154 x 29
36. bles And Dual Horn 24 Integral Horn Disable eit tte eter 24 Auto Acknowledge Feature 2 4 044 44 0 nnns nnne 24 Common Alarm 2 4 000 conca cancer 25 Retlash OpftlOri s den caede e tt E ates 25 Input Follow t 5 5 ndo eate t ets 26 LOGIC 52225 E M iaa 26 SI eio m Tn 26 sl eee ca ed eae 27 Optically Coupled 27 iU cc M 27 PUSNDUTIONS e EET 28 General n du oe cbe Mo s oL 28 e 29 Gut out iDImensiofis eo tei iaa 29 Cabinet Fixing eine em A ette an Denon dd 29 Channel Nu mbering z uice tee rented ho e tede b eet t nete debe ted 30 Connection Details c perte ate tere ae pa eevee id 31 A x Supply Option deed cepi ad a Ene eret eue 32 Signal SUPplY EI 33 Signal Supply Monitor Relay 33 Signal S pply ODptiOrs cin di illa preci 33 gsm 33 Remote Pushbutton Connections sse ener nennt nennen nnns nnns senes 33 Standard Inputs Connections sssssssssssssssseees enne 34 Powe
37. connections are available on the rear of the Motherboard mounted on the back of the annunciator as shown on the figure below Each system will consist of a single SPR Card supply pushbuttons and relays and multiple four channel alarm cards The SPR card is always situated on the far left when viewed from the rear and provides all the common connections for both inputs and outputs The number of four channel alarm cards fitted will depend on the system size but these all have exactly the same connections for the four alarm contact inputs and four volt free relay outputs At the top of each alarm card there is a label referring to the channel numbers for that card these channels refer to the numbering scheme for all the inputs as shown above All terminals are of the rising clamp type and are suitable for cable of up to 2 5mm CHANNEL NO 9 12 CH 5 8 CH 1 4 FAS clc cc Ec 5 ovc Ey 1
38. ct voltage which is protected by a fuse mounted on the rear of the UC625 The monitor relay output contact is available on the rear of the unit in terminal row YA terminals FC Signal Supply Options As an option which must be specified at the time of order the UC625 can be supplied suitable for use with direct powered inputs using 24VAC DC 48VAC DC 125VAC DC or 250VAC DC Please note 48VAC DC 125VAC DC and 250VAC DC signal supply versions use external voltages derived by others from outside the annunciator Full redundancy of operation is therefore dependent on the signal supply voltage being available if either primary or secondary supply inputs are present Earthing All series UC625 alarm annunciators are fitted with a separate earth stud which is located on the left hand side of the enclosure when viewed from the rear Warning To ensure the final installation meets all relevant safety standards and EMC directives this earth must be connected Remote Pushbutton Connections Standard units are supplied with customer terminals which allow connection of remote pushbuttons which can be set via on board DIL switches to operate in one of two ways as described below Option 1 In sub station applications it is common for a number of annunciators to be wired to one common set of Test Acknowledge and Reset pushbuttons which only control the power failure alarms fitted within individual annunciators Option 2 In other applications both ala
39. es as standard Signal Duplicating Relays Integrally mounted signal duplicating relays are provided per channel The standard mode of operation for the duplicating repeat relays is to activate when an alarm condition occurs and return to normal when the plant fault has returned to normal Contact Follower Each pair of signal duplicating relays can be set to operate as either normally de energised or normally energised relays and the associated contact can be selected as normally open or normally closed Selectable Response Time Each channel within the annunciator can have a pre defined min response time set to one of the following times 5ms 25ms 50ms and 100ms using DIL switches mounted on each alarm card Unless otherwise requested at the time of order units are shipped with a factory setting of 25ms but can be easily changed as described later in the manual Common Alarm Group Relay GP Alarm channels can be connected to an internal common alarm group relay GP which is normally used to indicate to remote equipment that an alarm has occurred in a local panel The Relay output contact state is set using LK3 on the SPR card to be either normally open or normally closed The contact will change state when an alarm occurs and remain in the alarm state until all faults have returned to normal Reflash Function After acknowledge if a new alarm occurs the relay will momentarily drop out and re activate to indicate that another alarm has
40. et Table 5 Sequence features 1 System test simulates an abnormal plant state on all alarms 2 Alarms should be set to lock in VISUAL Flashing Slow Flash 3 Only available in first up modes F1 F2 AUDIBLE OFF ON OFF OFF OFF AUDIBLE OFF ON OFF PULSING OFF Automatic Reset First up ISA F1A Sequence PROCESS PUSHBUTTON VISUAL AUDIBLE Normal OFF 1 Alarm Abnormal Flashing Subsequent Abnormal ON Acknowledge 1 Alarm Abnormal ON Subsequent Abnormal ON Normal OFF Table 6 Sequence features 1 System test simulates an abnormal plant state on all alarms 2 Subsequent alarms do not lock in 3 Once acknowledged the first up alarm is reset Manual Reset First up ISA F2M 1 Sequence PROCESS PUSHBUTTON VISUAL Normal OFF 1st Alarm Abnormal Flashing Subsequent Abnormal ON Acknowledge 1st Alarm Abnormal ON Subsequent Abnormal ON Normal Reset OFF Table 7 Sequence features 1 System test simulates an abnormal plant state on all alarms 2 Subsequent alarms do not lock in alarms must be reset after inputs return to normal 20 O RTK Series UC625 Annunciator Status Only ISA A 4 5 6 Sequence Process Pushbutton Visual Audible Abnormal Return To Normal a 2 SS Table 8 O_O 21 Features Input Configuration Each pair of alarm inputs can be configured to operate from either a normally open or normally closed Input Cont
41. hat switch positions are noted prior to changing the location of any of the modules within the cabinet Individual channel repeat All UC625 alarm annunciators are equipped with Individual channel relays operate during repeat relays which are used to initiate 3 party devices Test The user can select whether each pair of repeat relays activate when the test pushbutton is pressed or if they should be inhibited The following switch positions are used on the Alarm Cards to control this function Channel 1 amp 2 Repeat Relays Operate On Test SW4 Position 8 set to OFF Inhibit Repeat Relays Operating Test SWA Position 8 set to ON Channel 3 amp 4 Repeat Relays Operate On Test SW6 Position 8 set to OFF Inhibit Repeat Relays Operating On Test SW6 Position 8 set to ON 9 Symptom Probable Cause Signal Inputs that alarm and quickly return to normal are not being picked up by the annunciator All UC625 Annunciators are equipped with switches that allow the user to select the response time of each channel to suit specific applications The response time of each channel can be set to 5mS 25mS 50mS or 100mS as required Check that the response time has been set to suit the application Please refer to section 10 Para 10 2 for full details The Individual channel Repeat Relay contact is Normally Closed in the non alarm state but should be Normally Open Each pair of repeat relays can be set to no
42. her 85 264VAC OR 88 360VDC which allows the user to connect the unit directly to a main and aux supply to provide redundant operation As an option if specified at time of order the second supply voltage can be manufactured to allow direct operation from an Aux 24VDC Supply Voltage in the range 19 to 31VDC As standard an internally generated 24VDC is used as a signal supply voltage which is used for distribution to the associated field contacts The 24VDC signal supply is designed to be present if either the primary or secondary supply is available to ensure 100 redundancy Note When using the direct powered input options the signal supply voltage is derived from outside the unit by others and redundancy is therefore dependent on the signal supply voltage being available at all times 15 On systems supplied after January 1 2008 the signal supply voltage is provided with a monitor relay Two alarm channels are dedicated to monitor the dual supply Inputs and alert the operator if there is a loss or failure of either Accessibility for servicing is excellent being accomplished from the front of the panel with only a screwdriver required to access the alarm or Supply Pushbutton Relay card Model Number Description UC625 Model no prefix 2 Number of available alarm channels Not including the 2 power failure alarms 2 LED colour RD Red Standard 024D 24VDC signal supply voltage OR Options for 48 110 250VAC DC s
43. ignal supply inputs H Input supply 1 universal 88 360VDC or 88 265VAC Input supply 2 specify option H or L R Individual channel signal duplicating relays fitted RD Red YL Yellow H Universal AM Amber GN Green 88 to oon WH White IN Intermixed 88 to 360VDC Typical Model No UC625 40 RD H Option code see below SUPPLY 2 LED COLOUR SUPPLY 1 Optional L 24VDC OR H Universal 88 to 265 VAC or 88 to 360 VDC SIGNAL SUPPLY Standard 024D 24VDC Optional Externally Powered Inputs 048 48VAC DC 110 110VAC DC 250 250VAC DC 024D REPEAT RELAYS R Repeat Relay Option Fitted Please note If more than 40 ways are required as a single system expansion UC625 units can be connected via the expansion ribbon bus connector as detailed later in the manual on all units shipped after August 2004 Option Codes These Codes are added as a suffix to the Model No and MUST be specified at the time of ordering M1 Horn disabled on System Test M2 Modified Ringback sequence disabled ring back audible and lamp test in place of system test M3 ISA R12 Ringback sequence disabled Ringback horn lamp test in place of system test and response time changed to 5mS trip 5S pre alarm M4 ISA R12 Ringback sequence disabled ring back audible lamp test in place of system test response time changed to 5mS trip and 5S pre alarm and combined Lamp Audible Test
44. lay SPR Card which gives maximum annunciator density whilst maintaining a practical legend area and neat front panel appearance DIL switches situated on each of the Alarm Cards permit easy selection of annunciator sequences as listed in the ISA Publication Alarm Sequences and Specifications 518 1 1979 R1985 As the system is fully field programmable on a per pair of alarm basis the operating specification of both alarm sequence and function can be changed during commissioning or at a later date after the equipment is installed This means that stocking requirements may be minimised since all annunciator cards are interchangeable Reliability of operation is increased over conventional annunciators by the use of application specific integrated circuits ASIC s which are capable of complete system control When the annunciator is initially switched on control is arbitrarily allocated to any one of the ASIC s on any of the Alarm Cards hence the annunciator requires no control or master module failure of which could jeopardise the whole system If the Alarm Card is removed or an ASIC goes faulty then control is randomly allocated to another ASIC on another Alarm Card hence the worst fault that could normally occur is the loss of one card The use of ASIC s also results in a very low component count again improving system reliability The UC625 features an integral dual power supply capable of accepting a supply voltage from eit
45. nnecting an external 24vdc to terminals OVC and VC as shown below It is essential that the supply for the alarm contacts is properly fused and must have a common OV with the 24VDC annunciator supply VC _ TO EXTERNAL SIGNAL SUPPLY OVC BY OTHERS C 1 e e 2 e e 3 e e 4 e e 24VDC Powered Signal Input Connections Figure 7 Important note When using powered inputs full redundant operation can only be achieved if the signal supply provided by others is available when either the primary or secondary supply input is present Higher Voltage Powered Inputs If specified at the time of ordering the signal input circuit can be manufactured to accept higher voltage direct voltage Inputs there are 3 versions available 48VAC DC or 125VAC DC or 250VAC DC These higher AC DC voltages are connected as shown below VC TO EXTERNAL SIGNAL SUPPLY OVC _ ___ eece 48 110 250 VAC DC Powered Signal Input Connections Figure 8 Important note When using powered inputs full redundant operation can only be achieved if the signal supply provided by others is available when either the primary or secondary supply input is present O _ SF fF FOC 39 85 Sleep Mode Sleep mode is typically used in sub station applications where the visual and audible
46. ovided to indicate loss of the supply Pushbuttons Pushbuttons Acknowledge General Supply 1 85 264VAC or 88 360VDC Supply Voltage Opti 1 ption Supply 2 24VDC Supply 2 85 264VAC or 88 360VDC 19 31 VAC DC Alarm Card 2mA Each Quiescent Supply Current Alarm Card 140mA Each Full Load Pushbutton Module Each 100mA Signal Supply Fuse 125mA Mounted on Cabinet Rear Fuses 24VDC Aux Supply Fuse 1A Mounted on SPR Card Terminals Rising clamp type terminals Maximum cable size 2 5 Immunity to BS EN50082 2 1995 EMC Compliance Emissions to BS EN50081 2 1994 LVD Compliance BS EN 61010 1 1993 Operating Temp 10 C to 60 C Storage Temp 200 to 80 C Humidity 0 95 RH non condensing Protection IP51 Typical Burden on 125VDC Power Input No of Ways Current in mA 8 60 12 72 16 85 20 96 24 108 28 120 32 140 36 146 40 160 28 a O RTK Series UC625 Annunciator Ao Installation Cut out Dimensions Only one cut out is required to mount the alarm annunciator The size of this cut out is dependent on the number of alarms fitted as shown in the table below ALARM WAYS OVERALL SIZE H X W MMS CUT OUT SIZE H X W MMS 154 x 152 141 x136 154 x 180 141 164 154 x 208 141 x192 24 154 x 236 141 x 220 28 154 x 264 141 x 248 32 154 x 292 141 x 276 36 154 x 320 141 x 304 40 154 x 348 141 x 332 Please note Cut Out dimensions have a
47. pe 451001 42 gt RTK Series UC625 Annunciator Rear Fuse F1 125 mA T Anti surge RTK F1 SIGNAL SUPPLY FUSE 125 mA Soe 125mA T EARTH VC ove VOP OVOP OVOP Signal Supply Fuse Location Figure 15 8 t 5 2 2 2 FUSE F1 1A 09 00 00 REAR VIEW CB5304POP SPR CARD UU TEST ACK MUTE RESET Fuse Location For Systems Using AUX 24VDC Supply Figure 16 7 73 Expansion Units Master and Expansion UC625 Units All UC625 units shipped after August 2004 are equipped with a 10 way ribbon connector that allows the user to connect either a single or multiple expansion UC625 units Examples If a user requires a 56 way alarm unit it is possible to Install 1 x 28 way UC625 master Unit and 1 x 28 way UC625 expansion unit If a user requires a 84 way alarm unit it is possible to install 1 x 28 way UC625 aster Unit and 2 x 28 UC625 expansion units Note Integral pushbuttons audible and common alarm relays are only fitted to the master unit and the control signals required between the master and expansion units are passed via the factory supplied 10 way ribbon c
48. pushbutton function 10 O RTK Series UC625 Annunciator nmn OO System Description and Features General The units can be manufactured in a range of sizes to suit individual applications All units are designed to be 4 alarm ways high but the number of windows wide is variable This allows RTK to provide systems suitable for 12 16 20 24 28 32 36 or 40 channels and all units are provided with two additional channels used for monitoring the two integral supplies Supply 1 and Supply 2 The annunciators are built up using variable size top bottom plates universal side plates to give a basic panel mounting framework a rear mounting motherboard and removable Legend Plate The universal Alarm Cards are of the plug in type and are easily accessed once the front legend plate has been removed The Alarm Cards simply plug into the motherboard which also houses the terminals for external connection by the customer A removable legend plate is fitted over the front of the alarm boards containing film legends which identify the individual alarm channels Alarm Card Each active Alarm Card controls four alarm points The Alarm Card has an Application Specific Integrated Circuit ASIC which controls the alarm ways System control is arbitrarily allocated to one of the ASIC s on any one of the Alarm Cards obviating the need for a master control module Each
49. quences and Specifications S18 1 1979 R1985 Systems can be configured with different features on each pair of alarms and there is no need to switch the power off Different operating modes can be selected using the on board DIL switches The following tables show the most commonly used examples Manual Reset ISA Sequence M PUSHBUTTON VISUAL AUDIBLE Abnormal Flashing ON Acknowledge ON OFF Reset OFF OFF Table 2 Sequence features 1 System test simulates an abnormal plant state on all alarms 2 Alarms must be set to lock in of momentary 3 Manual reset of acknowledged alarms is only possible after process conditions return to normal Automatic Reset ISA Sequence A PROCESS PUSHBUTTON VISUAL AUDIBLE Normal OFF OFF Abnormal Flashing ON Acknowledge ON OFF Table 3 Sequence features 1 System test simulates an abnormal plant state on all alarms 2 Alarms must be set to lock in of momentary 18 O RTK Series UC625 Annunciator Non Lock in Function ISA A 4 Sequence PROCESS PUSHBUTTON Table 4 Sequence features 1 System test simulates an abnormal plant state on all alarms VISUAL OFF Flashing OFF ON OFF 2 Alarms should be set to non lock in 3 Alarms will automatically return to the off state as soon as the input returns to the normal Ringback ISA R Sequence PROCESS PUSHBUTTON Normal Abnormal Abnormal Acknowledge Normal Res
50. red Inputs terrier terrre 35 Higher Voltage Powered eene nenne enne nennen nnns 35 SI mu Ime 36 System DIL Switch Location and Functions coerente 37 DIL Switch Functions On Alarm Cards enne nennen nnns enne 37 Alarm Card Input Response Settings Set Per Channel STANDARD VERSIONS 38 Alarm Card Input Response Settings Set Per Channel OPTION VERSIONS 38 Alarm Card Input And Sequence Settings Set In Pairs sse 39 Alarm Card Relay And Horn Settings Set In 39 DIL Switch Settings SPR Gard ecc di 40 SPR Card Horn Relay And Pushbutton Settings sssssssssssseeee enne 41 Automatic Acknowledge Timer Located On SPR 41 Internal Horns Disable Located On SPR eene 41 42 RTK Series UC625 Annunciator nmn OO No Special Tools Required imni anaa a a a a aa a a 42 Legend Piate Removal s ernes 42 Fili Legend Engraving reet E AN T dea TETO 42 Alarm Card SPR Card 42 Super Bright LED s aie E AI e udi 42 Fuse replacement eae ec et eie Duce eed up epee 42 Expansion UNS E 44 Master and Expansion UC625 Units
51. requiring the operator to also press the mute ack and reset pushbuttons to clear the alarms after the test has been activated In certain applications lamp test is preferred over full functional test and option 01 is used to signify that pressing the test pushbutton will turn the lamps to steady on while the pushbutton is being pressed Option 02 Ringback Horn Disabled The standard ISA ringback sequence employed by RTK provides a pulsing horn output to indicate to the operator that the alarm can be reset In certain applications the ringback audible is not required and option 02 permanently disables the audible alarm on any channel returning to normal Please note the audible will sound in the normal on alarm activation Option 03 ISA R12 Sequence The standard UC625 provides ISA R sequence but in certain applications the user requires that the pushbutton functions are interlocked to ensure that the operator steps through the sequence in the correct order i e alarm silence acknowledge and reset Option 03 provides the required pushbutton interlock which prevents the pushbuttons operating unless they are pressed in the correct sequence Option 04 Response Times The standard UC625 unit is equipped with DIL switches that allow the user to select each input to respond to an abnormal state if the contacts have remained in alarm for a minimum time period Each alarm can be set to respond in 5 25 50 or 100ms on these units In certain applications
52. rmally energised or normally de energised using switches located on the Alarm Card and the contact state can also be selected as normally open or closed per the following details Channel 1 amp 2 SW4 Position S2 ON Normally De Energised SW4 Position S2 OFF Normally Energised Channel 3 amp 4 SW6 Position S2 ON Normally De Energised SW6 Position S2 OFF Normally Energised Each relay is equipped with a 3 pin header and 2 way shorting bar that allows the user to select either a normally open or normally closed contact as required Jumpers LK1 to LK4 refer Please refer to Section 10 Para 10 5 for full details Individual repeat relays do not act as slaves of the signal input The operation of the repeat relays is selectable by the user to either follow the signal contact or to remain in the alarm state until the input has returned to normal and the operator has cleared the alarm Each pair of channels can be set using switches located on the Alarm Card Channel 1 amp 2 SWA Position 1 ON Follow Input OFF Follow Logic Channel 3 amp 4 SW6 Position 1 ON Follow Input OFF Follow Logic 50 O RTK Series UC625 Annunciator Symptom Probable Cause After a short period of time the alarms revert to the acknowledged state even though the acknowledge pushbutton has not been pressed All
53. rms and power failure alarms are to be linked to a common set of Test Acknowledge and Reset pushbuttons FUNCTION CARD CHANNELS SWITCH SETTING Enable Option 1 SPR ALL SW5 S7 OFF Enable Option 2 ALL Table 25 In either case remote pushbuttons should be momentary type with normally open contact Switches of almost any type can be used and should be wired as shown in the following diagram Optional Remote Pushbutton Connections OS 33 YB ee 125 and ovop OVOP YC J ST 2 0 TEST DA 0 0 JM 9 0 MUTE R 90 RESET PB INPUTS Figure 5 Standard Inputs Connections In standard Units a 24VDC signal common is internally distributed to all of the C terminals within the annunciator The 24VDC supply is available if either the primary or secondary power input is present this provides true 100 redundancy 0 Standard Signal Input Connections Figure 6 4 gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt RTK Series UC625 Annunciator E Powered Inputs 24VDC If required the standard unit can be configured to accept 24VDC direct voltage inputs this is achieved by co
54. t and another alarm occurs this option allows the common alarm relay to change state for 500mS and re activate hence the term reflash FUNCTION ALARM CARD CHANNEL re 34 Reflash SW4 S5 SW6 S5 Enable ON ON Disable OFF OFF Table 20 25 Common Alarm Relay Mode of Operation Input Follower The common alarm relay will active when an alarm occurs and automatically return to normal when all alarms have returned to the normal state Logic Follower The common alarm relay will active when an alarm occurs and only return to normal when all alarms have returned to the normal state and the logic has been reset FUNCTION ALARM CARD CHANNEL Input Follower SW4 S4 ON SW6 S4 Logic Follower SW4 S4 OFF SW6 S4 OFF Table 21 Sleep Mode Available on All units supplied after April 5 2004 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 and individual channel signal duplicating relays only the drive signals to the LED s and audibles are disabled An externally mounted two pole switch is required to activate sleep mode with 1 pole connected to the mute pushbutton input and the other pole connected to the reset pushbutton input on the
55. the consent in writing of RTK Instruments Ltd 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 RTK Instruments Ltd RTK Series UC625 Annunciator gt o o Table Of Contents Table Of CONTENTS causan ita 3 A O 6 Tables oia didas 7 Jui oia ii 9 Model Number Description cccccceseeeeeeeeeeeeeeeeeeeneeeeeneeeeeeeeeeeneeseeneeeeeeeeeseeseeeeneeeeeeees 10 Option od sc eise rem eee cu e 10 System Description and Features 11 General Re idu eade e die o a t E HE a t ae deve dto dazu 11 Alarm Gard x ep ntt HE Ae Up doe ene eee 11 Reliable Annunciation cities 11 Supply Pushbutton Relay Card 11 Power Failure 0 11 EET 12 No Special Service Tools Required sess enne entrent snnt nnns 12 Inputs 2258 titio deleti eta denn 13 Customer Connections 0 13 Annunciator INPUTS HER EET T is 13 Optically Coupled 13 Signal
56. tolerance of plus or minus 0 5 mm Table 22 For standard units depth 130mm Cabinet Fixing The annunciator system as received will be ready to install into the panel cut out Firstly remove the frame clamps the unit is then passed through the panel cut out as far as the picture frame trim and is secured from behind with the frame clamps and screws which are located into the frame extrusion as shown in the drawing below To ensure the screw cannot shake loose a locking nut is provided Maximum panel thickness 6mm PANEL PANEL CLAMP y WITH SCREW SIT HOOK ON CLAMP INTO GROOVE IN FRAME AS SCREW TIGHTENS CLAMP IS SECURED TO FRAME SECTION Lg y Panel Fixing Arrangement Figure 2 29 Channel Numbering For ease of wiring and configuring of the required sequences and legends the following numbering method should be used Any wiring diagram supplied or list of film legends should refer to this numbering scheme RTK INSTRUMENTS MAIN DC SUPPLY FAIL AUX DC SUPPLY FAIL SUPPLY 1 SUPPLY 2 2 TEST C ACK J MUTE Losas Channel Numbering Figure 3 30 O RTK Series UC625 Annunciator gt o o Connection Details All Customer
57. uring Test Repeat Relays configured to Logic Follower Mode can be set so that they will not operate when the System Test Pushbutton is pressed FUNCTION ALARM CARD CHANNEL SPR CARD Disable SW4 S6 ON SW6 S6 ON SW5 S4 ON Enable SW4 S6 OFF SW6 S6 OFF SW5 S4 OFF Table 13 System Test System test simulates a full alarm condition on all channels therefore the associated LED s will flash and the audible alarm will sound The appropriate pushbuttons Ack Mute amp Reset will need to be pressed depending on the selected alarm sequence to return the alarms to their normal off state Disable Horn On System Test Option DHT Model Suffix Code M1 As an option it is possible to provide the UC625 Unit so that the horn outputs are disabled during system test if required Option DHT must be specified at time of order placement if this feature is required LED Indication The Series UC625 Alarm Annunciator is supplied with 8mm super bright LED s mounted in the left hand corner of the associated window The LED is normally supplied in red but other colours are available on request 23 Dual Audibles And Dual Horn Relays Two audible alarms and two horn relays designated critical and non critical are fitted to the SPR card as standard FUNCTION CRITICAL HORN NON CRITICAL HORN Alarm Card Channel SPR Card Alarm Card Channel SPR Card E 2 Sw4s7 SW5 S5 SW6 S8 SW5 S6 OFF OFF Table 14 The Audible
58. us Only Op6ration iii IA i PAL se E Adi 17 MAS ES 17 Sequence Configuration and Tables 18 Manual Reset ISA Sequence M 18 Automatic Reset ISA Sequence 2 nnne tenens sinn entren 18 Non Lock in Function ISA A 4 5 cnn nn naar 19 Ringback ISA R 19 Automatic Reset First up ISA F1A Sequence sse nennen 20 Manual Reset First up ISA F2M 1 SequenCe ooocincccnnncccconcccnonnnonannnancc conc nono nn enne nnns 20 Status Only ISA A 4 5 6 Sequence sss rn cnn rre 21 PO QUIN GS oo oiu Leid d eic M EDI 22 Input GonfIgUration tortilla 22 Signal Duplicating Relays ort erbe il ete be Di bro e deg 22 Repeat Relay Mode Of Operation 23 Input ello E terri ita 23 LOGIC tot tt ita 23 Operation of Repeat Relays During 00 eene nennen nennen nnn enne 23 D 23 Disable Horn On System Test Option DHT Model Suffix Code 1 23 LED a A TE A ater tert rr tre 23 Dual Audi
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