SM-4568B - Ansaldo STS
Contents
1. base with the lock side down SM 4568B Rev 1 July 2006 2 1 S UNION SWITCH 8 SIGNAL Installation and Operation d Install wires in the receptacle contact springs in accordance with approved wiring diagrams Use the correct crimping tool for the wire to be installed see Table 2 1 UM AA Ae Stee tet 00 O 4 78944 OF DITEPIILOS Cs Be oOePL aE Figure 2 1 PN 250CG Basic Package Size SM 4568B Rev 1 July 2006 2 2 UNION SWITCH amp SIGNAL Installation and Operation 1 2 3 4 5 6 Table 2 1 Crimping Tools Crimping Tool Receptacle Contact Amp Type Spring J397138 10 12 AWG M451142 2703 J397139 14 16 AWG M451142 2702 J397188 18 20 AWG M451142 2701 Strip 3 16 of insulation from the end of the wire Place the receptacle contact spring into the jaws of the proper crimping tool 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 Insert the stripped end of the wire all the way into the receptacle contact spring barrel Squeeze the tool handle until crimping is completed and the jaws release Always attach the first wire to the longest terminal This ensures that a second lead may be attached to the receptacle contact spring at a later time Remove the crimped receptacle contact spring from the tool and inspect the connection Make certain that the wire is flush wit2. H FRONT OUTPUT CONTROLLER 3F CODE RATE TIMING GENERATOR 2H 2B 4H Pa ba INPUT COMMON O GREEN LED BACK OUTPUT CONTROLLER Figure 1 2 PN 250CG Block Diagram 1 2 SM 4568B Rev 1 July 2006 UNION SWITCH amp SIGNAL General Information E D CS B A Column gt Row F com an aH 2H 14 soe J 1 nct 48 ar 2 1e ner 2 Rear View Notes NC No Connection DC DC Input COM Input Common Figure 1 3 Contact Location Top Rear of PN 250CG Case 1 3 Specifications Input coil Operating Range 9 to 16 VDC Reverse voltage protected Current Draw 80 Millamperes max Output Switch Ratings Low Voltage AC or DC 2 5 amperes 32 VDC Max or 22 Vrms AC Max ON resistance 0 5 ohm short circuit protected High Voltage 4 amperes 150 Vrms Max AC only The voltage drop is 1 25 Vrms across an ON switch and is independent of load current an external 6 ampere fuse is required for short circuit protection Maximum voltage is determined by a transorb to protect DC switches from excessive voltage spikes when operating code following relays for the AC version a 150 VRMS MOV is similarily used anticipating 120 VRMS as the source voltage Number of Output Switches Four total arranged as two fronts and two backs Each with separate heel connection
3. ITCH amp SIGNAL Technical Support 4 RAIL Team and Technical Support The Rapid Action Information Link RAIL Team is comprised of a group of experienced product and application engineers ready to assist and resolve any technical issues concerning any US amp S product Any questions regarding the contents of this Service Manual can be answered by contacting the RAIL Team toll free at 1 800 652 7276 or via the Internet at railteam Oswitch com SM 4568B Rev 1 July 2006 4 1 Technical Support UNION SWITCH amp SIGNAL 4 2 SM 4568B Rev 1 July 2006
4. N 250 CG 75 XX PN 250 CG 75 XX PN 250 CG 75 AC PN 250 CG 75 AC PN 250 CG 75 XX PN 250 CG 120 g PN 250 CG 120 XX PN 250 CG 120 gt O PN 250 CG 120 413 4 425 4 38 40 HV N40105616 413 4 425 4 38 40 HV LV N40105620 413 4 425 4 38 40 LV N40105622 PN 250 CG 420 XX PN 250 CG 420 XX PN 250 CG 420 gt gt g gt O O O O 1 4 SM 4568B Rev 1 July 2006 UNION SWITCH amp SIGNAL General Information Table 1 2 PN 250CG Cross Reference and Indexing ramos pennos indeng Part No Part No N322556 016 N40105616 SM 4568B Rev 1 July 2006 1 5 UNION SWITCH amp SIGNAL General Information 1 6 SM 4568B Rev 1 July 2006 UNION SWITCH amp SIGNAL Installation and Operation 2 Installation and Operation 2 1 Replacement Installation Procedure Figure 1 1 and Figure 2 1 1 The PN 250CG directly replaces the US amp S mechanical code generator PC 250 TR in the existing base No wiring or circuitry changes are required 2 Ensure that the correct PN 250CG model is available for installation Verify that the drilling of the index plate is correct for the code rate and model type AC or DC See Section 1 2 and Table 1 1 for code rates and power options and Figure 1 2 and Table 1 2 for index patterns 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 rela
5. 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 4568B PN 250CG Code Generator US amp S Part No N40105601 N40105611 N40105602 N40105612 N40105603 N40105613 N40105604 N40105614 N40105605 N40105616 N40105606 N40105617 N40105607 N40105618 N40105608 N40105619 N40105609 N40105620 N40105610 N40105621 N40105622 Installation Operation 4 Maintenance Copyright O 2006 Rev 1 Union Switch amp Signal Inc July 2006 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 and its contents 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 transferred without 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 reli
6. ability 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 account 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 4568B Rev 1 July 2006 Revision History UNION SWITCH amp SIGNAL Revision History Dae O Nature of Revision January 2000 Original Issue Rev July 2006 Incorporated ECO CRS 1407A changed y operating voltage in Section 1 3 from 8V to 9V ii SM 4568B Rev 1 July 2006 UNION SWITCH amp SIGNAL Table of Contents Table of Contents 1 Gere ral ndo iii dad 1 1 1 1 Introduction iaa dd eet ase Aue san Dto erase te cebolla Doa facets EEA 1 1 1 2 Descrip tie aros eat dae adele hh eae wide aaa a aaa a otal degen tes en SNET 1 1 1 3 SPCCIICALIONS 2256 e teasers dentine acuesta Meteora ors mete wich AEN 1 3 2 Installation and Operation cccscsssssseesseecesssseseesseeeecsnseseenseeeecensuseasseeeeasseeseneuaeaeeeseeseneuaeeseneuaeaeseeeeceneuaeanseeneasenes 2 1 2 1 Replacement Installation Proced
7. h the crimped barrel and that there are no loose strands of wire After insertion pull firmly on the wire to make sure the receptacle contact spring is locked in the cavity 2 Orient the PN 250CG to the base with the name plate right side up Plug the relay into the base The relay should be pushed firmly against the mounting base while depressing the latch rod After the relay is completely seated in the base release the latch rod and pull on the handle to ensure that the relay has locked into place 2 3 Verify Operation 1 Verify that the newly installed PN 250CG is operating by observing that the two LED indicators are blinking in an alternating fashion 2 Verify that the overall system of which the PN 250CG is a part is functioning properly SM 4568B Rev 1 July 2006 2 3 Installation and Operation UNION SWITCH amp SIGNAL SM 4568B Rev 1 July 2006 UNION SWITCH amp SIGNAL Maintenance and Periodic Inspection 3 Maintenance and Periodic Inspection 1 The PN 250CG is a maintenance free unit There are no FRA requirements for periodic checking of solid state code transmitter units Periodic verification of PN 250CG code rate operation is at the customer s discretion 2 Malfunctioning PN 250CG units should be returned to Union Switch amp Signal for repair SM 4568B Rev 1 July 2006 3 1 UNION SWITCH amp SIGNAL Maintenance and Periodic Inspection 3 2 SM 4568B Rev 1 July 2006 UNION SW
8. s Refer to Figure 1 2 and Figure 1 3 Indications Alternately flashing yellow and green LEDs The yellow LED indicates that the front outputs are active closed the green LED indicates that the back outputs are active closed Temperature Range 40 C to 70 C 0 to 95 relative humidity non condensing Dielectric strength 2000 Vrms between all external isolated connections and case except across open switches which are limited by Transorb or MOV protection SM 4568B Rev 1 July 2006 1 3 UNION SWITCH amp SIGNAL General Information Table 1 1 PN 250CG Code Specifications Nominal ON Time Switch MSA Na Code Rate Percentage Rating PN 250 CG 50 AC 50 45 6 50 4 46 48 HV N40105617 45 6 50 4 46 48 LV N40105621 45 47 LV N40105602 45 47 HVILV N40105605 45 47 HV N40105608 45 47 HV N40105612 45 47 LV N40105618 117 129 44 46 LV N40105603 117 129 44 46 HV LV N40105606 117 129 44 46 HV N40105611 117 129 44 46 HV N40105613 PN 250 CG 180 175 4 193 2 42 44 LV N40105601 PN 250 CG 180 XX 175 4 193 2 42 44 HVILV N40105604 PN 250 CG 180 XX 175 4 193 2 42 44 HV N40105607 PN 250 CG 180 175 4 193 2 42 44 HV N40105614 PN 250 CG 275 XX 268 8 283 2 40 42 LV N40105609 PN 250 CG 275 XX 268 8 283 2 40 42 HV N40105610 PN 250 CG 275 XX 268 8 283 2 40 42 HVILV N40105619 PN 250 CG 50 DC P
9. the mechanical code generator PC 250 TR Model numbers are determined by the nominal code rate and operating voltage of the PN 250CG as outlined in Table 1 1 1 2 Description The PN 250CG is a direct replacement for the mechanical code generator PN 250 TR Operation of a mechanical code transmitter is based on a pendulum which has a natural frequency of oscillation Motion is sustained by an electromagnetic circuit which alternately attracts the pendulum in opposite directions The pendulum alternately closes and opens opposing sets of contacts In the neutral position of the pendulum which also corresponds to its position with no voltage applied to the coil neither set of contacts are closed For nearly one half of the pendulum s motion one set of contacts is closed and for the opposing range of motion a second set of contacts is closed Available nominal code rates are 0 75 120 and 180 Codes Per Minute CPM Since the contacts are arranged as break before make both sets are alternately closed for less than 50 of the oscillation period It is this fundamental operation that is duplicated electronically by the PN 250CG Front Back Figure 1 1 PN 250CG Code Generator Relay SM 4568B Rev 1 July 2006 1 1 UNION SWITCH amp SIGNAL General Information In the PN 250 Code Generator an oscillator circuit replaces the mechanical pendulum Two separate comparator circuits control the turn on and turn off of solid state s
10. ure c ccccceceeeeeeeeeneeceeeeeeeseceeeaeceeeeeeesecaaeaeeeeeeeseseenieeeeeeeerees 2 1 22 New Installation air haath eiveie a ee Ee E ara Asan dessa ae ea a tae a eon Ags dtn Sate eat 2 1 2 97 Verily Operations atic seer etcetera A A cn ae eee 2 3 3 Maintenance and Periodic Inspection csececsteseeeseeseeeeneeneeeneeeneeseeneneeseeenenseeeenenseeceneeseesnenenenensenseeennenaneennens 3 1 4 RAIL Team and Technical Support nc anen nnnnn nnne 4 1 SM 4568B Rev 1 July 2006 iii UNION SWITCH amp SIGNAL S Table of Contents UNION SWITCH amp SIGNAL List of Figures Figure 1 1 PN 250CG Code Generator Relay 1 1 Figure 1 2 PN 250CG Block Diagram 1 2 Figure 1 3 Contact Location Top Rear of PN 250CG Case 1 3 Figure 2 1 PN 250CG Basic Package Size 2 2 List of Tables Table 1 1 PN 250CG Code Specifications oooooononinonicncnnnnnnncononcnncnnncnnnnnnnoncnncnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnanns 1 4 Table 1 2 PN 250CG Cross Reference and Indexing oooooococnnnccccnnnnococinonononcno nono cnn r nono rca rnnnn nan rnnnn rara nnn rra 1 5 Table 2 1 Crimping TOO Sci e a a ada es 2 3 iv SM 4568B Rev 1 July 2006 AM N SWITCH S SIGNAL General Information 1 General Information 1 1 Introduction This service manual provides description and installation information for Union Switch amp Signal s PN 250CG Code Generator Figure 1 1 This relay is a solid state direct replacement for
11. witching devices which replace the Front and Back contacts of the mechanical relay Light Emitting Diodes LEDs in the output circuit provide an indication when the Front yellow LED and Back green LED outputs are energized to provide a conduction path between the Front and Heel or Back and Heel terminals Refer to the block diagram in Figure 1 2 and the output pin location diagram Figure 1 3 for additional information Different types of output switching devices are provided to replace the low voltage and high voltage contacts of the mechanical relay Unlike the mechanical counterpart however the high voltage output version of the PN 250CG is relegated to switching AC only as it uses Triacs in the output circuit The low voltage outputs switch AC or DC sources through a network of Field Effect Transistors FET devices Table 1 1 lists several standard relays by code rate and output switch type other versions are available To ensure that units of different code rates or output rating are not interchanged index plates for the PN 250 base are provided with the relay to mount on a base to match a set of keying holes in the index plate to keying pins on the relay Table 1 2 lists the part numbers and keying for those Code Generator Relays which are interchangeable with certain existing US amp S mechanical PC 250 TR Code Relays DC INPUT YELLOW LED OUTPUT SWITCHES O 1H HA 1F 3
12. y unless it is being converted to a new part number Otherwise safe functioning of the circuit in which the relay is used may be compromised 3 Remove the old relay 4 Orient the PN 250CG to the existing base with the name plate right side up Plug the relay into the base The relay should be pushed firmly against the mounting base while depressing the latch rod After the relay is completely seated in the base release the latch rod and pull on the handle to ensure that the relay has locked into place 2 2 New Installation 1 Secure the mounting base N438689 003 directly to the rack using the hardware furnished with the mounting kit Ensure that base wiring is in accordance with wiring diagram for the specific job General wiring guidelines are as follows a The new one piece mounting base with hardware includes a full complement of receptacle contact springs M451142 2702 to accomodate one or two 14 16 wires mounting fasteners and tags It can however 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 b Each solderless receptacle contact spring should be inspected for physical damage before proceeding with installation Replace defective springs c Receptacle contact springs must be inserted into the
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