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SM-9082 - Ansaldo STS
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1. 10 is allowable the worst case combined error of the PN 150SST and an ordinary wristwatch would still be well within the 10 limit at the maximum interval of 3120 seconds an error of 6 minutes per hour Specialized time measuring devices are needed only where 0 1 second timing increment is significant or for the user s convenience in making long interval measurements SM 9082 Original February 2004 4 3 Troubleshooting Display Error Codes Local Input 4 4 UNION SWITCH amp SIGNAL What if individual LED or row column of Ignore unless digit s cannot be easily LEDs in display is not as bright as distinguished usual What if display is intermittent dim or Check the list of status and error codes unrecognizable or otherwise incorrect Momentarily remove the unit from base to force re initialization of system Replace unit if problem persists Return to US amp S for evaluation and repair What if display appears frozen Unit might be waiting for completion of a programming session due to accidental actuation of the ESCAPE switch Momentarily remove the unit from base to force re initialization of system Replace if problem persists and return malfunctioning unit to US amp S for evaluation and repair What if unit functions normally but Unit should be replaced at the earliest frequently displays an error code opportunity Return to US amp S for evaluation and repair What if unit display error code
2. s electronic module is the same as the one used in the PN 150EVT unit and includes a digital display Because it s designed to drive an external vital relay the PN 150SST contains no relay contacts 1 3 Application CAUTION The PN 50SST provides a positive 10B and negative 11C output to drive a repeater relay coil after the preset time has expired This power must not be connected to any other energy source The PN 150SST Solid State Timer is available in three versions e The PN 150SST SP offers programmable slow pick up capability e The PN 150SST DPSD is a programmable slow drop away timer with a five second pick up delay This unit is intended to serve as a loss of shunt timer in conjunction with a delayed code change or a delayed initiation of grade crossing signals e The PN 150SST SD features a programmable slow drop away capability The pick up is also nominally delayed by approximately 0 3 seconds to guard against unwanted pick up from a momentary input A US amp S PN 150 relay 240 to 400 ohms is typically driven by the PN 150SST timer The output energy of the PN 150SST is approximately 68 of the input energy Table 1 1 provides ordering references SM 9082 Original February 2004 1 1 UNION SWITCH amp SIGNAL Introduction Table 1 1 PN 150SST Assemblies and Mounting Base US amp S Part Number Description N40107203 PN 150SST SD slow drop timer N40107202 PN 150SST DPSD delayed pick slow drop time
3. 2 Timer Indexing This relay is equipped with indexing pins to prevent insertion of incorrect equipment into a mounting base Each timer has an indexing plate which is applied to the mounting base at the time of initial installation The following data defines the indexing that has been established for timers covered by this manual a The index code always consists of four figures such as 0001 0002 or 0101 and is used for both the timer and the indexing plate on the mounting base The index code for each mounting base is determined by the placement of the holes in the numbered vertical rows of the large white nylon indexing plate which is affixed to the front of the mounting base Table 3 1 Never remove the indexing plate from the mounting base unless it is damaged or the indexing is to be purposely changed to accommodate a different part number Discard the indexing plate unless it is needed for replacement of a damaged indexing plate or for application to a new mounting base Never drill new holes in a base indexing plate which will permit application of relays with different part number or change indexing pins on the back of a relay unless it is being converted to a new part number Drilling new holes in the base indexing plate will compromise the safe functioning of the circuit SM 9082 Original February 2004 3 1 installation UNION SWITCH amp SIGNAL Table 3 1 Indexing Pin Locations mooo o r e CO or dat
4. control input and processes the time delay as set in the unit The output is removed when the control input is removed SM 9082 Original February 2004 2 1 Equipment Description Parameter Value 2 2 Slow Drop Timer Delayed Pick Slow Drop timer UNION SWITCH amp SIGNAL The Slow Drop timer removes the output voltage to the external relay only after the microprocessor detects the absence of the control input and completes the time delay as set in the unit The output is reapplied to the external relay when the control input is reapplied The Delayed Pick Slow Drop timer provides both a delayed pick up with the output applied 5 seconds after the microprocessor detects the presence of the control input It also features slow drop away with the output removed only after the microprocessor detects the absence of the control input and completes the time delay as set in the unit SM 9082 Original February 2004 UNION SWITCH amp SIGNAL Installation Section 3 Installation 3 1 PN 150SST Preparation Perform the following steps to prepare the PN 150SST for use 1 2 3 4 Attach the mounting base to the rack using the hardware provided with the optional base Wire the timer to specific application circuits Refer to Figure 3 1 for index pin locations and Section 3 4 for wiring and crimping information Insert the timer into the mounting base The relay is now ready to apply power and program 3
5. 12B and START FINISH simultaneously start 0 0 0 A stopwatch Observe countdown indication on COUNTDOWN display SM 9082 Original February 2004 3 7 E E E Halt stopwatch when display indicates timer is energized Use a voltmeter to check the output voltage on contacts 10B and 11C on the rear of the relay The measured output voltage should be 68 of the input voltage Remove energy from control input 9B 12B SLO t 0621 The voltage on 10B and 11C should be 0 volts ALTERNATING DISPLAY 3 7 Programming the Slow Drop Away Time 3 7 1 Programming Sequence Short Range Table 3 6 Programming Sequence Short Range Setup Acton Result LED Display 1 Apply 9 2 to 30VDC to local If energy is not present on the terminals 7B 8B control input display will SLO A gt Remove energy from control neag ALTERNATING DISPLAY input 9B 12B if present DRP D 2 Press ESCAPE to enter programming mode Increase Decrease Escape To accept gt 60 sec press enter SW2 down Otherwise toggle SW1 up or down The display will then indicate lt indicating less than 60 seconds Increase Decrease Press ENTER to accept setting 3 8 SM 9082 Original February 2004 UNION SWITCH amp SIGNAL Installation Press INCREASE or Underlined digit represent a flashing DECREASE to change value digit of flashing digit range of tens digit is 0 5 Press EN
6. 4 3 List of Figures List of Tables PN 150SST Assemblies and Mounting Base PN 150SST Operating Characteristics eee Timing Information Indexing Pin Locations i Crimping Tools for Wire Installation Short Range Programming Sequence Long Range Programming Sequence Testing the PN 150SST Time Delay Setting Programming Sequence Short Range eener Programming Sequence Long Range Troubleshooting Table SIE Frequently Asked Questions UNION SWITCH amp SIGNAL SM 9082 Original February 2004 UNION SWITCH amp SIGNAL Introduction Section 1 Introduction 1 1 Background Union Switch amp Signal originally developed the PN 150EVT electronic vital timer relay to serve as a solid state replacement for thermal and mechanical timer relays The PN 150EVT s electronic module and contacts which are in a three front one back arrangement are fitted into a standard US amp S PN 150 style relay frame To offer a solid state timer that can drive an external relay with more contacts which is suitable for a wider variety of applications US amp S developed the PN 150SST Solid State Timer 1 2 General Description The US amp S PN 150SST Solid State Timer consists of an electronic module mounted in a standard US amp S PN 150 relay frame The timer
7. EASE or Underlined digit represents a flashing DECREASE to change value digit of flashing digit range of minutes tens digits is 0 5 Press ENTER to accept setting 3 6 SM 9082 Original February 2004 UNION SWITCH amp SIGNAL Installation Setup JL Acten Result LED SS Same as above for next digit Sege EES SCH Wait 2 seconds E EE 8 Unit is ready for operation ALTERNATING DISPLAY 9 Field test of timing interval must be performed before placing unit in service See Section 3 6 3 6 Field Testing the Delay Time The delay time must be must be field tested whenever a PN 150SST is installed or replaced with a new PN 150SST The purpose of the check is 1 To ensure the user has correctly programmed the specified time interval 2 That identical PN 150SSTs with different time delays have not been accidentally exchanged or misidentified and 3 To verify that the wiring between the PN 150SST and the repeater is correct The example in Table 3 5 shows how to reliably field test the PN 150SST s time delay setting Table 3 5 Testing the PN 150SST Time Delay Setting Seu Action Result LED Display 1 Apply 9 2 to 30 Vdc to local Check idle display indication terminals 7B 8B for normal alternating action Verify that time interval SLO 4 lt 0621 agrees with value shown on circuit plans or as otherwise ALTERNATING DISPLAY directed Apply 9 2 to 30 Vdc to control input 9B
8. Programming Sequence e Action Result LED Display 1 Apply 9 2 to 30 Vdc to local terminals 7B 8B SLO t gt Remove energy from control input 9B 12B if present ALTERNATING DISPLAY 2 Press ESCAPE to enter programming mode Increase Decrease Escape Press INCREASE or DECREASE to select short timing range 00 0 sec to 59 9 sec Increase Decrease Press ENTER to accept setting Escape y Press INCREASE or Underlined digit represent a flashing DECREASE to change digit value of flashing digit range of tens digit is 0 5 Press ENTER to accept timing Same as above for next digit SM 9082 Original February 2004 3 5 UNION SWITCH amp SIGNAL Installation ei E a Same as above for next digit Wait 2 seconds i er 7 Unit is ready for operation Elo 1102 8 Field test of timing interval must be performed before placing unit in service See Section 3 6 3 5 4 Programming Sequence Long Range Table 3 4 lists the steps necessary to program the PN150SST in its long range Table 3 4 Long Range Programming Sequence Setup Acton Result LED Display 1 Apply 9 2 to 30 Vdc to local terminals 7B 8B Remove energy from control SLO t gt 0 6 21 li asi i o ALTERNATING DISPLAY 2 Press ESCAPE to enter Press ENTER to accept long programming mode timing range 0000 3599 Increase Increase Decrease Decrease Escape Escape Press INCR
9. TER to accept timing Same as above for next digit Same as above for next digit When ENTER is last activated the time delay is set Wait two seconds 7 Unit is ready for operation a 8 Field test unit before placing in See Section 3 8 service 3 7 2 Programming Sequence Long Range Table 3 7 Programming Sequence Long Range 1 Apply 9 2 to 30VDC to local If energy is not present on the terminals 7B 8B control input display will SLO A gt 0 6 21 Remove energy from control read ALTERNATING DISPLAY input 9B 12B if present DRPD 2 Press ESCAPE to enter Press ENTER to accept high programming mode timing range 0000 3120 Increase Increase Decrease Decrease Escape Escape gt 60 Press INCREASE or Underlined digit represent a flashing DECREASE to change value digit of flashing digit range of SM 9082 Original February 2004 3 9 UNION SWITCH amp SIGNAL minutes tens digits is 0 5 Press ENTER to accept 6 M setting Installation Same as above for next digit When ENTER is last activated the time delay is set Wait two seconds 8 Unit is ready for operation Doon 9 Field test unit before placing in See Section 3 8 service 3 8 Field Testing the Drop Away Delay Time The delay time must be field tested whenever a PN 150SST slow drop away version relay is installed or replaced with a new relay The purposes of the check are To ensure the user has corre
10. UNION SWITCH amp SIGNAL Union Switch amp Signal Inc an Ansaldo Signal company 1000 Technology Drive Pittsburgh PA 15219 e 645 Russell Street Batesburg SC 29006 SM 9082 PN 150SST Solid State Timer Part Numbers N40107201 N40107202 and N40107203 Installation Operation Copyright 2004 SM 9082 Original February 2004 Union Switch amp Signal Inc UNION SWITCH amp SIGNAL Proprietary Notice This document and its contents are the property of Union Switch amp Signal Inc hereinafter US amp S This document has been furnished to you on the following conditions no right or license under any patents or any other proprietary right in respect of this document or its content is given or waived in supplying this document This document or its content are not to be used or treated in any manner inconsistent with the rights of US amp S or to its detriment and are not to be copied reproduced disclosed to others or disposed of except with the prior written consent of US amp S Important Notice US amp S constantly strives to improve our products and keep our customers apprised of changes in technology Following the recommendations contained in the attached service manual will provide our customers with optimum operational reliability The data contained herein purports solely to describe the product and does not create any warranties Within the scope of the attached manual it is impossible to take into acco
11. and Note the error code Momentarily appears to be locked up timing cycle remove the unit from base to force re will not run initialization of system Replace unit if problem persists Return to US amp S for evaluation and repair What if local energy is switched on off Pick up delay will be consistently simultaneously with control energy extended exactly two seconds longer than the set time interval due to system initialization delay when local is first powered up What if local energy is turned off while Timing cycle will be cutoff after control energy remains on approximately one second A new timing cycle will commence immediately upon restoration of local energy and completion of the two second initialization delay What if there is an interruption of local Previous time setting will be retained energy during programming session What if local energy is coded at 75 or The PN 150SST is intended to operate 240 ppm normally with the local input coded or steady If coded the code rate must be no less than 75 ppm with a 35 on time What if local energy drops below 9 2 Although the control voltage must be volts 9 2 volts or higher the local voltage can be reduced below this value before operation is interrupted A new timing cycle or return to idle state will begin once local energy is restored to at least 5 6 volts SM 9082 Original February 2004 UNION SWITCH amp SIGNAL Control Input What if control e
12. are within this timer is such that any failure or combination of failures will cause the relay to open or remain open Fail safe design principles assure that under no circumstances will there be a voltage output less than the time delay following application of energy to the control input 1 4 SM 9082 Original February 2004 UNION SWITCH amp SIGNAL Equipment Description Section 2 Equipment Description 2 1 PN 150SST Solid State Timer The PN 150SST SP slow pick up the PN 150SST DPSD delayed pick up slow drop away and the PN 150SST SD slow drop away are vital timer units Figure 2 1 These units are similar to the N401017xx and N401033xx series Timer Relays except the electromechanical relay has been removed from the package to provide flexibility to drive an external relay with more contacts The microprocessor based printed circuit board mounted within the enclosure provides the identical timing function either slow pick up delay pick up slow drop away or slow drop away to the external relay The package design is based on the standard PN 150 relay package Timing information is provided in Table 2 1 d ia Figure 2 1 PN 150SST Solid State Timer Table 2 1 Timing Information Parameter Value Time Delay 0 1 sec to 52 minutes or 1 sec to 52 minutes Slow Pick Timer The Slow Pick timer provides an output to pick up the external relay after the microprocessor detects the presence of the
13. ctly programmed the specified time interval To ensure that identical relays with different time delays have not been accidentally exchanged or misidentified 3 10 SM 9082 Original February 2004 UNION SWITCH amp SIGNAL Troubleshooting Section 4 Troubleshooting In the case of a malfunctioning PN 150SST use Table 4 1 to help identify possible causes of the problem Table 4 1 Troubleshooting Table 1 Absence of the LED display This may indicate a loss of local energy or failure of the internal electronics Return unit to US amp S for evaluation and repair 2 Repetitive error codes followed by This may indicate problems with the timer s logic or shutdown of timer See Section 4 1 for a hardware faults Return unit to US amp S for evaluation description of error codes and repair 3 Timing cycle does not initiate when control This may indicate one of the following energy is applied 1 The desired time delay has not been correctly programmed 2 Possible failure of internal electronics 3 Control voltage intermittent or below 9 Vdc 4 Time delay not in accordance with desired Problem most likely due to errors in programming of value the time delay 5 Failure of the timer to pick up upon Check the output voltages on 10B and 11C completion of the timing cycle Check the calibration values on the repeater and replace if out of specification It the checks were acceptable return the unit to US am
14. cuitry and frame 1 2 SM 9082 Original February 2004 UNION SWITCH amp SIGNAL Introduction 1 5 Controls Indications and Identification 1 5 1 Toggle Switches Two toggle switches located on the face of the timer allow the user to program the timing interval in the shop or field without disassembling the relay breaking the mechanism seal or disturbing internal adjustments An independent sealable cover encloses the toggle switches This cover may be sealed using a relay seal to prevent tampering with the time settings Refer to Section 3 5 for instructions on programming the time delay 1 5 2 LED Display The PN 150SST is provided with a large easy to read four character alphanumeric LED display located on the face of the timer In operation the display serves to indicate the status of the timer deenergized running or energized While programming the timing interval the display prompts the user s actions and indicates the preset timing interval The LED display will also indicate error codes when hardware or logic faults are detected 1 5 3 Identification Each US amp S plug in relay is provided with a nameplate indicating the type of device part number and serial number The serial and part numbers are engraved on this nameplate An inspection sticker secured to the inside of the cover shows the specific operating values and serial number of the device 1 6 Input Power The nominal range of DC input power for th
15. e PN 150SST is 9 2 30 Vdc corresponding to a battery composed of 5 to14 lead acid cells or 8 to 22 nickel alkaline cells The PN 150SST has two inputs control 9B 12B and local 7B 8B Local energy is used for various support purposes including operation of the microprocessor the LED display and associated circuitry Control energy initiates the timing cycle and provides power to a conditional power supply and relay driver which directly drives the relay coil thus the control input current will be somewhat higher and varied compared to the local input Both inputs require dc energy within the range of 9 2 to 30 Vdc 9 2 to 24 Vdc unfiltered full wave The combined local and control load is less than one watt while the relay coil is energized at 9 to 12 Vdc Voltages less than 9 2 Vdc at the control input will temporarily halt operation Circuitry is protected against damage from sustained voltage exceeding 33 volts by means of Polyswitches A Polyswitch acts much like a fuse but unlike a fuse it will reset to a low resistance state when the input voltage is restored to the normal operating range Local and control inputs are protected against polarity reversal 1 7 Output Power The PN 150SST output can operate a 200 to 400 ohm coil The voltage output is approximately 68 of the input voltage SM 9082 Original February 2004 1 3 UNION SWITCH amp SIGNAL Introduction 1 8 Safety The design of the hardware and softw
16. elia i i di 3 1 3 3 Receptacle Contact Springs eee ceeeeee eee eaaeaeceeeeeeeseeeaeeeeeeeeeeseesecineeeeeneeeee 3 3 3 4 Crimping Wires into Receptacle Contact Springs 3 3 3 5 Programming the Delay Time 3 4 3 5 1 Adjustment Ranges erte ENEE ENEE aa ei 3 4 3 5 2 Toggle Switch Functions Figure 3 2 ii 3 4 3 5 3 Programming Sequence Short Range eeeeeeeeeeeeneeeeeeeceeeeeeeeeeeenaeeeeeeneeeenenaas 3 5 3 5 4 Programming Sequence Long Range ssssssesrisserrrssstrresttrrstttnntsttrrstttnussttnnnnsttnnnnten nnt 3 6 3 6 Field Testing the Delay Time iii iaia 3 7 3 7 Programming the Slow Drop Away TIiMe i 3 8 3 7 1 Programming Sequence Short Range 3 8 3 7 2 Programming Sequence Long Range nnt 3 9 3 8 Field Testing the Drop Away Delay TIME 3 10 Section 4 Troubleshooting E 4 1 4 1 SUE eege eege e led etn hates ee ato faina iaia 4 1 4 2 Frequently Asked Questions Dy TOPiC 4 3 Section 5 Maintenance E 5 1 Section 6 Technical Support asandan aaa aTa aai ia Aaaa aa aa eegererd 6 1 SM 9082 Original February 2004 Table of Contents Table of Contents Figure 2 1 PN 150SST Solid State Timer Figure 3 1 PN 150SST Rear View Figure 3 2 Toggle Switch Functions Table 1 1 Table 1 2 Table 2 1 Table 3 1 Table 3 2 Table 3 3 Table 3 4 Table 3 5 Table 3 6 Table 3 7 Table 4 1 Table 4 2 Table
17. i Part POWER IN POWER IN CONTROL EN Ae CONTROL Figure 3 1 PN 150SST Rear View SM 9082 Original February 2004 UNION SWITCH amp SIGNAL Installation 3 3 Receptacle Contact Springs The one piece mounting base with hardware N4513760302 and N4513760601 includes a full complement of receptacle contact springs M451142 2702 to accommodate one or two 14 16 wires mounting fasteners and tags It can also be equipped with receptacle contact springs for one or two 10 12 wires M451142 2703 or for one or two 18 20 wires M451142 2701 Make certain which type of solderless receptacle contact springs accompany the mounting base before proceeding with their installation Inspect each solderless receptacle contact spring before proceeding with installation The following is recommended when installing solderless receptacle contact springs a Receptacle contact springs must be inserted into the base with the lanced tab up b Make certain that the lanced tab is slightly compressed as the receptacle contact spring is inserted along the top of the cavity The lanced tab could have been bent during handling and therefore might not provide the required contact pressure after the relay is inserted If the lanced tab does not touch slightly compress using fingers or suitable tool c After insertion pull firmly on the wire to make certain the receptacle contact spring is locked in
18. mer s delay time is adjusted by using the two toggle switches located under the transparent cover on the face of the timer Remove the two screws holding the transparent cover in place to access the switches Note The screw heads are drilled so that they can be wired together and sealed to secure the settings after the adjustment is made 3 5 1 Adjustment Ranges There are two adjustment ranges Short Range 00 0 seconds 59 9 seconds adjustable in 0 1 second increments and Long Range 0 seconds 52 minutes 0 3120 sec adjustable in 1 second increments 3 5 2 Toggle Switch Functions Figure 3 2 The upper toggle switch SW1 is normally used to increase or decrease values on the LED display When SWI is pushed upwards it will increase the current value When SW1 is pushed down it will decrease the current value The lower toggle switch SW2 serves the ENTER and ESCAPE functions When SW2 is pushed upwards it activates the ESCAPE function When SW2 is pushed down it activates the ENTER function Sections 3 5 3 and 3 5 4 explain the time delay programming sequence for the short and long time delay ranges Increase Decrease Escape Enter Figure 3 2 Toggle Switch Functions 3 4 SM 9082 Original February 2004 UNION SWITCH amp SIGNAL Installation 3 5 3 Programming Sequence Short Range Table 3 3 lists the steps necessary to program the PNI50SST in its short range Table 3 3 Short Range
19. mp S repair facility at 645 Russell Street Batesburg SC 29006 SM 9082 Original February 2004 5 1 UNION SWITCH amp SIGNAL Maintenance 5 2 SM 9082 Original February 2004 Technical Support Section 6 Technical Support The Rapid Action Information Link Team RAIL Team is a group of experienced product and application engineers ready to assist you to resolve any technical issues concerning this product Contact the RAIL Team at 1 800 652 7276 or by e mail at railteam switch com SM 9082 Original February 2004 6 1 Technical Support UNION SWITCH amp SIGNAL 6 2 SM 9082 Original February 2004
20. nergy is momentarily interrupted What if the unit is removed from base during timing cycle What if control and local energy are interrupted during timing cycle What if unit is subjected to repeated incomplete timing cycles due to circuit design What if unit is subjected to frequent brief interruptions of control energy during timing cycle caused by poor shunting of track circuits Troubleshooting Interruptions less than 250 milliseconds will not disrupt operation Longer interruptions will cause a new timing cycle to begin once energy is restored A new timing cycle will commence once unit is reinstalled and or energy is applied to the local and control inputs By design the PN 150SST cannot short time and there can be no residual effect caused by previous incomplete timing cycles Unlike electro mechanical timers no mechanical wear results from aborted timing cycles Timer control circuits may often be simplified to take advantage of this characteristic What if control energy drops below 9 2 Same as effect of interruption of control volts energy SM 9082 Original February 2004 4 5 UNION SWITCH amp SIGNAL Troubleshooting 4 6 SM 9082 Original February 2004 UNION SWITCH amp SIGNAL Maintenance Section 5 Maintenance No field or shop maintenance is required on the PN 150SST Solid State Timer If the timer fails to operate properly it is recommended that the relay be sent back to the US a
21. p S for evaluation and repair 6 The ESCAPE switch is actuated but unit Check to confirm absence of control energy does not display gt 60 prompt Momentarily remove the unit from the base to force re initialization of the system Replace unit if problem persists Return unit to US amp S for evaluation and repair In many instances the source of trouble may be found by close examination of the timer its base and associated wiring To prevent unnecessary delay and expense of No Trouble Found returns to the shop or US amp S a brief explanation of specific conditions and type of trouble encountered should accompany each defective timer Such information is especially important in cases of intermittent trouble or where display of error codes has been observed The sealed mechanism cover must not be opened except by qualified personnel in a shop equipped to properly calibrate and test timers All defective PCBs should be returned to US amp S for evaluation and repair Timers exposed to moisture electrical surges or mishandling must be returned to the shop or US amp S for refurbishment and retest 4 1 Error Codes Error codes appear on the LED display when logic or hardware faults are detected All faults cause immediate termination of the timing cycle If the timing cycle is complete faults will cause immediate drop away of the timer The system will reset two seconds after the fault is detected If nine SM 9082 Original Febr
22. r N40107201 PN 150SST SP slow pick timer N4513760302 Mounting base with hardware 14 16 contacts N4513760601 Alstom Safe compatible mounting base with hardware 14 16 contacts 1 4 PN 150SST Specifications Table 1 2 presents the operating characteristics of the PN 150SST Table 1 2 PN 150SST Operating Characteristics Parameter Value Operating Voltage Control 9 2 30 Vdc filtered or 9 2 24 Vdc 0 2 V unfiltered full wave rectified DC from a 25 Hz or greater AC source Local 9 2 30 Vdc source may be steady or coded at a minimum 75 ppm with at least a 35 on time Both inputs protected against reverse polarity Maximum continuous current is 125 mA with a 600 mA surge current on startup Indexing 4 0 7 2 for N40107201 4 0 7 3 for N40107202 4 0 7 4 for N40107203 40 to 158 F 40 to 70 C 0 95 relative humidity non condensing Timing Range Short Range 0 to 59 9 seconds 0 1 second increments oe Long Range 0 to 52 minutes 0 3120 seconds 1 second increments Accuracy 0 3 seconds with Vin gt 10 Vdc Below 10 Vdc time may run long by an additional 0 1 seconds Better than 0 1 under all conditions at any time setting external relay mechanism pick up delays approximately 250 300 mS Add two seconds to timing interval for initialization delay if local is energized simultaneously with commencement of timing cycle Dielectric Strength 2 kv between control and local input circuitry 2 kv between input cir
23. the mounting base 3 4 Crimping Wires into Receptacle Contact Springs Use the following procedure to ensure a good electrical and mechanical connection between the conductor wire and the receptacle contact spring Table 3 2 identifies the correct crimping tool to be used when installing wires in receptacle contact springs Table 3 2 Crimping Tools for Wire Installation eg Receptacle J397138 10 12 AWG M451142 2703 J397139 14 16 AWG M451142 2702 J397188 18 20 AWG M451142 2701 1 Strip 3 16 in 0 187 in or 0 47 cm of insulation from the end of the wire 2 Place the receptacle contact spring into the jaws of the proper crimping tool When using only one wire use the shortest barrel 3 Partially close the crimping tool jaws against the receptacle contact spring to hold it in place Do not crush the receptacle contact spring barrel at this time 4 Insert the stripped end of the wire completely into the receptacle contact spring barrel Squeeze the tool handles until crimping is completed and the jaws release When using both barrels it is more convenient to attach the first wire to the longest barrel SM 9082 Original February 2004 3 3 UNION SWITCH amp SIGNAL Installation 5 Remove the crimped receptacle contact spring from the tool and inspect the connection Make certain that the wire is flush with the crimped barrel and that there are no loose strands of wire 3 5 Programming the Delay Time The ti
24. tuck programming switches will be in a position other than center ignored or unit will shutdown while display shows the gt 60 prompt What if both programming switches are This won t cause any harm to the timer simultaneously actuated but may result in undesired results What if the time delay is set to 0000 Timer will pick up with zero time delay pick up delay of the timer mechanism is roughly 200 400mS depending on factors such as control voltage temperature and calibration variables Can time setting be set to wrong setting No general purpose time element can for a specific application protect against such errors The user What prevents improper exchange of must program and test the time interval PN 150SSTs with different time whenever a PN 150SST is installed or replaced Proper timing is assured only after the unit is tested while plugged in and connected to the actual controlling circuit Note that FRA rules 49 CFR 236 109 and 234 265 require the proper time setting to be shown on the circuit plans or the relay settings Could a fifth index pin be added to No Addition of extra holes in the index provide indexing protection for timers plate could allow improper installation of having different time intervals timers having only four pins Should time delay be checked with Timing may be checked with a some type of calibrated timing device or stopwatch or wristwatch Assuming a chart recorder timing error of
25. uary 2004 4 1 consecutive faults occur without successful operation for at least one second then the system will become dormant stopping timing operation and maintaining display of the latest error code until local power is momentarily cycled off and on Table 4 2 presents a list of possible error codes Table 4 2 Error Codes ener Displey Reason o Stack out of range failure ERASED_EEPROM_WAIT WAIT EEPROM erased and awaiting power to be recycled T1_ERROR T1ER Invalid internal interrupt counter UNSTABLE_INPUT UNST Input circuit may be failed or input signal is intermittent BAD_INPUT_ERROR IBAD Input circuit failure HC11 pins 20 21 and 50 OUTPUT_ERROR OBAD Mismatch of HC11 pins 14 and 22 T2_ERROR T2ER Second time source failure HC11 pins 32 and 33 PULSE ERROR PULS Pulse accumulator error HC11 pin 27 4 2 SM 9082 Original February 2004 UNION SWITCH amp SIGNAL Troubleshooting 4 2 Frequently Asked Questions by Topic Table 4 3 presents a list of frequently asked questions by topic Programming Switches Time Setting Testing Table 4 3 Frequently Asked Questions What if the programming switches are Programming switch activity is ignored manipulated during timing cycle or while while the control input is energized The relay is energized timing cycle will not be interrupted if programming switches are manipulated while control energy is applied What if a programming switch is stuck S
26. unt every eventuality that may arise with technical equipment in service Please consult your local US amp S Account Executive in the event of any irregularities with our product We expressly disclaim liability resulting from any improper handling or use of our equipment even if these instructions contain no specific indication in this respect We strongly recommend that only approved US amp S spare parts be used as replacements SM 9082 Original February 2004 Revision History UNION SWITCH amp SIGNAL Revision History Original February 2004 Original Issue ii SM 9082 Original February 2004 UNION SWITCH amp SIGNAL Table of Contents Section 1 MEF OCUICHION EE 1 1 1 1 BACK Ground steen 1 1 1 2 General Description See rei ege TEE NENNEN eee de 1 1 1 3 Lee le te EE 1 1 1 4 PN 150SST Specifications i 1 2 1 5 Controls Indications and Identification i 1 3 1 5 1 TOGGlS SWICNES EE 1 3 1 5 2 LED DIS plays EE 1 3 1 5 3 eur Wee 1 3 1 6 InputiPower ti z EE 1 3 1 7 OUTPUL PROWGM Bere eters sabes tes see eege tai 1 3 1 8 Dalby ei eel aN le et niin ee a ela ein ae ie ea 1 4 Section 2 Equipment DeSCription csscsssseescescesseesseesneesseesneessneseeesseesnesneesseeneeenseeseeeeseeneennseeeesneseeenee 2 1 2 1 PN2150SST Solid State TET a cuor na 2 1 Section 3 JEE e E 3 1 3 1 PN 150SST Preparation eeh Seefe i beer e ea ei ad 3 1 3 2 Timer ING SXIN G4 2 force irii ai a ia d
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