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3PCI SCR Power Controller Series Manual

Installation

Version 1.2 (19000325)

s

2-3

3

4

8
2

4 (Gnd)

CW

7

1 (Gnd)

Figure 2-2. Input and Output Connections Overview for the 3PCI

Table 2-2. Terminal Block Specifications

Pin #

Description

Terminal Block

1 Common

2 Voltage

input

3 Shutdown

4 Common

5 +15

VDC

6 -15

VDC

7

+ mA input

8 +10

VDC

9 External

feedback

10

11 +26

VDC

12

40

N.C. OC relay

41

Common OC relay

42

N.O. OC relay

43 OC

reset

44 OC

reset

45

1 2 3 4 5 6 7 8 9 10

11

12

40 41 42 43 44 45

«
...
13
14
15
16
17
...
»

Summary of Contents for 3PCI Series

Page 1: ... when the Power Controller is set to deliver zero output The fused disconnect or circuit breaker must be open or OFF to perform maintenance of any kind including at the Load ORIGINAL EQUIPMENT MANUFACTURERS PLEASE NOTE If this Handbook is not supplied to the End User a WARNING statement identical to the above should be prominently displayed in the Installation and Operation Instructions provided t...

Page 2: ...d replaces manual 19000325 in its entirety SCR Power Controls 3PCI Operation Manual p n 19000325 VERSION HISTORY Version 1 0 May 2003 Version 1 1 July 2003 Version 1 2 May 2006 2006 by s No portion of this document may be reproduced either mechanically or electronically without the prior consent s LD R ...

Page 3: ...Temperature Controller 3 2 3 4 Remote Manual Control Only with a Potentiometer 3 2 3 5 Auto Manual Control with a Controller and Remote Potentiometer 3 3 3 6 On Off Control 3 3 3 6 1 Output Enabled by Contact Closure 3 3 3 6 2 Output Disabled by Contact Closure 3 4 3 7 Controlling Several 3PCIs in Parallel with One Controller 3 4 CHAPTER 4 OPTIONS SETUP 4 1 Introduction 4 1 4 2 Option CL 3 phase C...

Page 4: ...le of Contents 3PCI SCR Power Controller Series Manual ii s Version 1 2 19000325 CHAPTER 6 SERVICE 6 1 How to Contact s 6 1 6 2 Spare Parts 6 1 6 3 Drawing List 6 4 ADDENDUM A 1 INDEX SUPPLEMENTS DRAWINGS ...

Page 5: ...tput Enabled by Contact Closure 3 3 Figure 3 5 On Off Control with Output Disabled by Contact Closure 3 4 Figure 3 6 Controlling Several 3PCIs Connected in Parallel 3 4 LIST OF TABLES CHAPTER 1 INTRODUCTION Table 1 1 General Technical Specifications 1 4 Table 1 2 3PCI Model Number Code Descriptions 1 5 CHAPTER 2 INSTALLATION Table 2 1 Wire Size Information 2 2 Table 2 2 Terminal Block Specificatio...

Page 6: ...Table of Contents 3PCI SCR Power Controller Series Manual iv s Version 1 2 19000325 ...

Page 7: ...or precise SCR control A typical 3PCI is illustrated in Figure 1 1 Figure 1 1 Typical 3PCI Power Controller The 3PCI is a three phase phase fired power controller and can operate with a wide variety of input signals and line voltages The 3PCI s output voltage is proportional to the control input signal with the output voltage regulated to 0 5 with a 10 line voltage change The 3PCI features cosine ...

Page 8: ...us peak current When the peak current level exceeds the preset trip level SCRs are gated off and the load current is shut down within a half cycle The TRIP RESET push button can be configured for automatic or manual reset to resume operation See Section 4 5 Adjusting the Overcurrent OC Feature The overcurrent OC feature is used mainly for the fuseless RF generator design model RF3PI The leakage im...

Page 9: ...ce exceeds a pre determined limit value 5 to 50 a set of form C contacts may be used to alarm and or turn off the process 1 5 3 Lug Kit LK Option If required by an application an optional lug kit Option LK is offered Lug kits are available on 350 A through 1200 A units Lugs are provided on 25 A through 225 A units 1 5 4 Extended Ramp ER and Fast Ramp FR Options The increasing rate of the output vo...

Page 10: ... RC snubber across each SCR pair all SCRs have PIV rating of 1 400 V Output voltage change vs Ambient temperature change 0 18 per F 0 10 per C Phase firing time base 0 to 180 conduction per SCR Controls pots 3 bias gain and current limit multi turn screwdriver adjustable pots Fan cooling power 50 Hz Unit 60 Hz Unit 90 225 A units 0 42 A 50 VA 0 38 A 46 VA 350 500 A units 0 63 A 76 VA 0 57 A 69 VA ...

Page 11: ... 24 240 V 40 380 415 V 48 480 V 60 600 V 25 40 60 90 120 180 225 350 500 650 800 1000 1200 1 0 5 mA 2 0 20 mA 3 0 50 mA 4 1 5 mA 5 4 20 mA 6 12 20 mA 7 0 5 VDC 8 0 10 VDC 9 pot input CID Current imbalance detection CR Current regulation FR 0 100 sec ER 4 000 sec blank LK 1 1 Add LK if lugs are required for 350 1200 A units Lugs are standard on 15 225 A units If left blank lug kit is not added Volt...

Page 12: ...Introduction 3PCI SCR Power Controller Series Manual 1 6 s Version 1 2 19000325 ...

Page 13: ...age 5 1 in the Troubleshooting section of this manual 2 2 Fan Wiring Models Rated at 90 A and Higher 3PCI models with cooling fans require 120 Vac power which must be supplied by the customer Power requirements are shown in Table 1 1 on page 1 3 The 3PCI terminals available for the 120 Vac fan connections are shown in the drawings at the rear of this manual Locate the correct drawing for your mode...

Page 14: ... an out of phase condition Warning Branch circuit overcurrent protection required is to be provided in accordance with the national and local codes of the inspecting authority AC Input Load 3 2 1 3 2 1 Figure 2 1 Typical 3PCI Line and Load Connections Table 2 1 Wire Size Information Current Rating Smallest Allowable Conductor Size Largest Allowable Conductor Size 60 90 and 120 A 8 AWG 0 AWG 180 an...

Page 15: ...tions Overview for the 3PCI Table 2 2 Terminal Block Specifications Pin Description Terminal Block 1 Common 2 Voltage input 3 Shutdown 4 Common 5 15 VDC 6 15 VDC 7 mA input 8 10 VDC 9 External feedback 10 11 26 VDC 12 40 N C OC relay 41 Common OC relay 42 N O OC relay 43 OC reset 44 OC reset 45 1 2 3 4 5 6 7 8 9 10 11 12 40 41 42 43 44 45 ...

Page 16: ...ontroller Series Manual 2 4 s Version 1 2 19000325 2 5 Internal 3PCI Connections Before operating the 3PCI the customer must determine which control signal is used The 3PCI will operate at 50 60 Hz with no circuit changes required ...

Page 17: ...operated with an adequate load since an open output will have line voltage at the load connections For the following procedures measurements of the output voltage should be made with an analog voltmeter or a digital voltmeter that reads true rms Warning Hazardous voltages exist at the 3PCI output terminals and at the load when the input voltage is connected even when the 3PCI is set to deliver zer...

Page 18: ...on Automatic Controller 7 input 1 input or 4 input TB1 Figure 3 1 Automatic Controller Input Connections 3 4 Remote Manual Control Only with a Potentiometer This potentiometer may be located on a remote panel near other controls related to the process being powered by the 3PCI It may be calibrated to correspond to a percentage of rated power output process temperature or some other parameter The p...

Page 19: ...Controller on page 3 2 1 input common 7 input 2 man pot 4 common 8 10 VDC Controller CW Man Pot Auto Manual TB1 Figure 3 3 Auto Manual Control with Controller and Remote Potentiometer 3 6 On Off Control Two methods of on off control are provided 1 Output enabled by contact closure 2 Output disabled by contact closure 3 6 1 Output Enabled by Contact Closure With the power to the 3PCI turned off con...

Page 20: ...th a single controller is outlined below 1 Connect each unit as shown in Figure 3 6 Refer to Section 3 3 Temperature Controller on page 3 2 2 Remove the external shunt resistor R101 on all of the units 3 Connect the remaining units in parallel as shown in Figure 3 6 4 Connect the appropriate impedance matching resistor RC for your controller across the output terminals of the controller as shown i...

Page 21: ... the input control signal to demand full output 5 Adjust the CURRENT LIMIT potentiometer until maximum current level is reached 4 3 Option CID Current Imbalance Detector A separate box is included if the CID option is specified For calibration information refer to data shipped with the CID option 4 4 Reset Push button User Supplied 1 Connect a normally closed N C push button switch to TB2 terminal...

Page 22: ...Options Setup 3PCI SCR Power Controller Series Manual 4 2 s Version 1 2 19000325 ...

Page 23: ...ignal Improper operation of the unit is usually indicated by one of the following symptoms 1 No output 2 Full output at all times with no change resulting from a control signal change 3 Output variable from some intermediate value to maximum but cannot be brought to zero 4 Output variable from zero to some intermediate value but cannot be brought to maximum The symptoms listed may be caused by one...

Page 24: ...excellent substitute Avoid plastic Styrofoam vinyl and other non conductive materials They are excellent static generators and do not give up their charge easily Always use a soldering iron that has a grounded tip Also use either a metallic vacuum style plunger or copper solder removal braid when desoldering When returning components to s LD R always use static safe packing This limits any further...

Page 25: ... output even with manual control BIAS turned full CW a System has an open SCR fuse b SCRs are not firing a Remove and check the fuse If it has opened replace it after completing b b Install a good fuse in the circuit and apply power to the 3PCI If the output is fully controllable using the manual control then resume normal operation If the power output is still zero contact ROBICON service 2 Outpu...

Page 26: ...fuses having identifying numbers different from the numbers shown in the table In such a case the fuse may be replaced either with an identical fuse or the one shown in the table Table 5 2 Fuse Specifications Vendor Part Numbers Amperes Buss Gould Shawmut Carbone Ferraz 25 FWP 40 A70P40 A070F040 40 FWP 60 A70P60 A070F060 60 FWP 125A A70P125 A070F125 90 FWP 125A A70P125 A070F125 120 FWP 150A A70P15...

Page 27: ... inch pounds 110 inch pounds 2 AWG 40 inch pounds 50 inch pounds 150 inch pounds 1 AWG n a 50 inch pounds 150 inch pounds 1 0 to 2 0 AWG n a 50 inch pounds 180 inch pounds 3 0 to 4 0 AWG n a n a 250 inch pounds 250 CM to 350 CM n a n a 325 inch pounds 1 Given in AWG or circular mils CM 2 Screwdriver blade width to match Table 5 4 Torque Specifications Based on Socket Sizes For All Conductor Sizes ...

Page 28: ...Troubleshooting 3PCI SCR Power Controller Series Manual 5 6 s Version 1 2 19000325 ...

Page 29: ...p will be to give you over the phone assistance at no charge If the problem cannot be resolved by phone we will arrange for service at your site or by shipment to s LD R as you request We will make every possible attempt to support your emergency on site needs regardless of how contacted 6 2 Spare Parts Requests for spare parts should be directed to Argo International Corporation at 212 431 2210 W...

Page 30: ...VDT VAR H023871 3 SCR dual package 142 A 1400 V H017371 3 225 A Fan axial 115 Vac 110 CFM H018659 2 Fuse 300 A 700 V 261277 34 3 PCB assembly 3PCI trigger 460T41 00 1 PCB assembly SCR module 2 DVDT VAR H023871 3 SCR dual package 162 A 1400 V H019070 3 350 A Fan axial 115 Vac 110 CFM H018659 3 Fuse 450 A 700 V H019253 3 Lug kit single phase 350 A CSA certified H020477 3 PCB assembly 3PCI trigger 46...

Page 31: ...AR H028607 3 SCR 1329 A 1400 V H020038 6 Varistor 660 V H026669 3 Note The xx suffix found on some item numbers listed in the previous table corresponds to revision numbers for customer specific products 6 3 Drawing List This section contains drawings that show outline dimensions installation wiring and printed circuit board component locations as well as an overall schematic of the 3PCI These dra...

Page 32: ...Service 3PCI SCR Power Controller Series Manual 6 4 s Version 1 2 19000325 ...

Page 33: ... repayment is to be exclusively s LD R s decision s LD R is not liable for incidental and consequential damages This warranty shall not apply to major devices or equipment such as transformers not manufactured by the seller or to equipment or parts which shall have been repaired or altered by others than the seller so as in its judgment to affect adversely the same or which shall be subject to neg...

Page 34: ...he SO number Please include your hard copy purchase order PO for this amount with the item when it is returned or fax your PO directly to the Repair Spares Department at 724 339 3240 Expedited services are available upon request Before sending a printed circuit board to s LD R for repair make a list of parameter values first then be sure to follow proper ESD precautions when handling boards 7 3 Fi...

Page 35: ...The above GTU s are intially tested at the PC Board testing department as a 480VAC 3 50 60Hz Standard one second ramp RMS Voltage Regulator 5 1 1 Refer to the proper schematic and assembly drawings 5 2 Customer Specifications 5 2 1 The GTU configuration is selected by the Customer Service order options program Line Voltage is selected by Customer Specifications The line voltage is selected by a wi...

Page 36: ... selected ramp speeds 5 3 Final Test 5 3 1 Once the above steps are completed test the 3PCI GTU with the customer SCR panel assembly in accordance with PSI Oxx Maxie testing procedure 5 3 2 Add a label below the 460T41 00 460T23 00 if the customer requires a P N to reflect the old number Since any of the new PWBA s can replace any old PWBA and are forward and backward compatible Draft Authorizatio...

Page 37: ... 460C17 15 3PCI TRIGGER CKT 480V 4 SEC X X X X X X X 14 460C17 15R 3PCI TRIGGER CKT 480V 4 SEC X X X X X X X 1 460C17 15RT 3PCI TRIGGER CKT 480V 4 SEC X X X X X X X 2 460C17 15T 3PCI TRIGGER CKT 480V 4 SEC X X X X X X X 3 460C17 22 A 3PCI TRIGGER CKT 240V FAST R X X X X X X X 4 460C17 23 A 3PCI TRIGGER CKT 415V FAST RAM X X X X X X 5 460C17 25 A 3PCI TRIGGER 480V FAST RAMP X X X X X X 6 460C17 25R...

Page 38: ...60C33 25R ASSY GTU BRD 480V FAST RAMP X X X X X X 8 460C33 25RT ASSY GTU BRD 480V PAST RAMP X X X X X 9 460C33 25T M ASSY GTU BRD 480V F R TESTED X X X X X X 10 460C33 36 M ASSY GTU 480V V IREG STD RAMP X X X X X X X 11 460C33 37 ASSY GTU 240V V IREG LONG RAMP X X X X X X X 12 460C33 41 M GTU BRD 208V STD RAMP 10VDC FB X X X X X X 13 460C33 42 M GTU BRD 240V STD RAMP 10VDC FB X X X X X X X 14 460C...

Page 39: ...80 415V FAST X X X X X X 14 469196 23T U ASSY GTU BRD 380 415V FAST X X X X X X 1 469196 25 U ASSY GTU BRD 480V FAST RAMP X X X X X X 2 469196 25R ASSY GTU BRD 480V FAST RAMP X X X X X X 3 469196 25RT ASSY GTU BRD 480V FAST RAMP X X X X X X 4 469196 25T U TESTED ASSY GTU BRD 480V FAST X X X X X X 5 469196 35 B ASSY GTU BRD 480V STD RAMP X X X X X X X 6 469196 36 T ASSY GTU 480V V IREG STD RAMP X X...

Page 40: ...Addendum 3PCI SCR Power Controller Series Manual A 6 s Version 1 2 19000325 ...

Page 41: ...protection 1 2 conductor size 2 2 connections operating with an adequate load 3 1 5 1 contamination 5 4 control circuit 1 2 control methods 1 2 1 4 3 1 control setting 1 3 5 5 control signal 1 1 1 3 2 4 3 2 4 1 5 1 input impedance 1 4 isolation 1 4 controller output 1 3 3 2 controlling several 3PCIs connected in parallel 3 1 3 4 cooling fans 2 1 corrosion 5 5 cosine intercept 1 1 current 1 5 curre...

Page 42: ...1 1 line voltage 1 1 1 4 3 1 5 1 turn on 2 1 linearity 1 4 load 2 2 changes 1 3 connections 2 1 2 2 5 1 operating with an adequate load 3 1 5 1 current 1 2 lug kit 1 5 M maintenance 3 1 5 4 manual control 1 2 3 1 5 5 manual pot 3 2 3 3 maximum power demand 3 3 3 4 metal oxide varistor MOV 1 4 model number 1 4 1 5 6 1 code descriptions 1 5 mounting hole requirements 2 1 N no output 5 1 normally clo...

Page 43: ...art 1 1 source types 3 1 spare parts 6 1specifications 1 3 1 4 2 2 5 6 5 7 static free packing materials 2 1 switching 1 2 3 3 4 1 synchronization of line frequency 1 1 T technical specifications 1 4 temperature 5 4 temperature control calibration 3 2 temperature controller 1 4 3 1 3 2 terminal block specifications 2 3 terminals 1 2 2 1 2 2 3 1 3 2 3 4 4 1 5 5 thermostat contact rating 1 4 thermos...

Page 44: ...Index 3PCI SCR Power Controller Series Manual iv s Version 1 2 19000325 ...

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