NT255巴赫曼
NT255 的設計采用自頂向下的設計方法，用Verilog HDL語言描述，在Actel公司的開發軟件libero8．0中進行綜合、優化、仿真和定時分析。頂層設計由PLL、分級控制、脈沖計數模塊以及電壓控制模塊組成，如圖2所示。
工作過程為：首先，初始化FPGA，電壓控制模塊將DAC8552的電壓輸出值置于中位（1．65V），分級控制模塊的開始分級設定為3，并通過 level［2∶0］連線將級別賦給脈沖計數模塊和電壓控制模塊；分級控制模塊收到GPS秒脈沖時，通過auto reset啟動脈沖計數模塊，收到read信號時讀入judge［1∶0］，judge［1∶0］的意義如表2所示。如果 judge［1∶0］=00，level［2∶0］不為1，level［2∶0］降級；judge［1∶0］=01，level［2∶0］不為 5，level［2∶0］升級；judge［1∶0］為10或11，通過step和load引腳調整電壓控制模塊。
NT255
VAC ZKB465/001-06-N2 OR TA60824-5105 TRAFO
BAUER G73-10/D2A4-309K or G7310-D2A4309K GETRIEBEMOTOR
SIEMENS 6FC5110CA700A TERMINAL BLOCK DMP SINUMERIK 840
FANUC A20B-2900-0380 KARTE
YASKAWA SERVOPACK CIMR-MR5N4015 CONVERTER VS-656 MR5
PLATINE PC2297006B EUROTECH
LINES UNLIMITED A2LB8 CDX-COM REV C
FANUC A20B-2900-0530 KARTE
SIEMENS 6FX1126-8BA00 SERVO INTERFACE
FANUC A20B-2900-0110 KARTE
SCUARE D ETB 60/480-17 or ETB60-480-17 CLASS 8922 BRAKE
BAUER BF60-04W/D11MA4-TF-ZW or BF 60 04W-D11MA4-TF-ZW
SIEMENS 1LA2083-2AA10ZA11 3~MOTOR
SIEMENS 1LA7166-2AA60-Z KAEFIGLEUUFERMOTOR
SIEMENS 1LA3163-4AA70 3~MOTOR
SIEMENS 1LA5166-2CA60-Z K?FIGL?UFERMOTOR
SIEMENS 1LA5133-4CA70 3~ MOTOR
SIEMENS 1LA7073-6AA10 3~MOTOR
BAUER BF50-04W/D11SA4-TF or BF 50 04W-D11SA4TF MOTOR
FANUC A16B-1210-0250-03A BOARD A16B1210025003A
FANUC A16B-1210-0160-03A BOARD A16B1210016003A
VEM K21R-90-L-2-KR 3~MOTOR K21R90L2
SIEMENS 1LA9053-4SA23-ZN00 GETRIEBEMOTOR
MITSUBISHI TRA41A TRA41 TRA-41 SERVO AXIS DRIVE MAZAK
SIEMENS 6ES5701-1LA1 SIMATIC S5 6ES5-701-1LA1
MODICON POVER SUPPLY AS-P800-003 ASP800003
SIEMENS 6GF6220-4AC INDUSTRIE MONITOR SCD1880
LKB BROMMA 2297 MACRODRIVE 5 CONSTANT POWER SUPPLY
SEMIKRON SKKT 18/6 or SKKT18/6 SEMIPACK DIODE
FANUC A16B-1210-0060-05D BOARD A16B1210006005D
FANUC A16B-1210-0020-09E BOARD A16B1210002009E
BAELZ μ CELSITRON 6490 MICROPROCESSOR-BASED CONTROLLER
SEMIKRON SKKD 46/12 or SKKD46/12 SEMIPACK DIODE
EUROTHERM 818S TEMPERATURE CONTROLLER
FANUC A06B-6093-H401 REGENERATION RESISTOR
DIODENGLEICHRICHTER S15VB+40 or S15VB
CORCOM 6EGG1-1 EMI FILTER 6EGG11
SIEMENS 6SE7016-1TA51Z or 6SE70161TA51Z SIMOVERT MC
MITSUBISHI FR-SX-2-11K FREQROL AC SPINDLE CONTROLLER
PLATINE C98043-A1011-L1-04 SIEMENS
TOSHIBA RA POWER RAD90-008 or RAD90008
VAC ZKB465/002-03-N2 or TA60947-4 299 TRAFO
FUJI 6MBP300KA060 TRANSISTOR
TOSHIBA MG100G2CL1 TRANSISTOR
INFINEON BSM50GX120DN2 TRANSISTOR
MOTORSCHUTZSCHALTER GV1-M05 TELEMECANIQUE
ZEITRELAIS 7PU4320-2BN20 or 7PU4320 SIEMENS
MITSUBISHI PM100CHS060 TRANSISTOR
ASEA QHNM 328V BOARD YB 161006-CA/2
EUCHNER PWG-ACS0008C70461 PULSECODER
FUJI FRENIC 5000G11 TYPE FRN4.0G11S-4EN or FRN40G11S-4E
MITSUBISHI FR-PUO2V PROGRAMMING FOR INVERTER
YASKAWA CACR-SR30SZ1SDY230 SERVOPACK Reparatur
W?HRLE CB-09/SK2L-303 BEDIENTERMINAL CB09SK2L303_
SCHIELE 7K2 ON SINGLE PULS TIMER
POSITEC WD3-004.0801 STEUERUNG
OMRON E3S-GS3B4 PHOTOELECTRIC SWITCH _
YASKAWA SERVOPACK CACR-SR44SZ1SDY231_
NEMIC-LAMBDA MBS-1210-22 FILTER
OMRON CQM1-ID212 INPUT UNIT CQM1ID212_
YASKAWA SERVOPACK CACR-SR44SZ1SDY128
YASKAWA SERVOPACK CACR-SR30SZ1SDY230_
SIEMENS 6DM1001-2LA02-1 SIMOREG 6DM 1001-2LA02-1
LENZE 330-40 Z?HLER_
YASKAWA SERVOPACK CACR-SR30SZ1SDY137
SIEMENS 6SC6170-0FC01 POWER SUPPLY Reparatur
SIEMENS 6RA 4001-2AB02 SIMOREG 6RA4001-2AB02
INDEX 4903.4400 KARTE MKK 49034400
FANUC A06B-6052-H001 AC SPINDLE DRIVE Reparatur
BARCO NV V5627422 COLOR BALANCE SYSTEM
175H0115 BEDIENERPANEL für FREQUENZUMRICHTER 009801G0
BARCO NV V5627420 and V5627410 COLOR BALANCE SYSTEM
SIEMENS 6FX1110-7AG01 SINUMERIK 6FX11107AG01
BALDOR SD23H4A11-E AC SERVO DRIVE Reparatur
SIEMENS S24222-A221-A3 BOARD W24222-A221-A3
0510531001 10,4 ZOLL TFT LCD CHASSIS MIT SONDERTIMING_
BAUM?LLER BKF12-50-400-2002 STROMRICHTER Reparatur
SIEMENS 6GK1500-0AA10 BUS TERMINAL 6GK15000AA10
SIEMENS WF725B POSITIONIERBAUGRUPPE 6FM1725-3BA00
YASKAWA SERVOPACK CACR-SR 03SZ1SS
SIEMENS SICOMP SMP16-TBG100 6AR1302-0AC00-0AA0
SIEMENS 6AV1720-0AA00 TASTATUR VDU 2000
SIEMENS MOBY M 6AW5454-8BH
EGI ET-1487-10 BFE01 S3 DISPLAY ET148710BFE01S3
BAUM?LLER BUG3-35-31-B-010 GLEICHRICHTER Reparatur
PLATINE ASSY450-00405-00 REV D MOSTEC MICROSYSTEM
BAUM?LLER BUG3-35-30-B-002 POWER SUPPLY Reparatur
BOSCH SE220 0-608-830-141 SERVO CARD 0608830141
BOSCH ZSE220-0-608-830-142 SERVO CARD ZSE2200608830142
BAUMUELLER BUC2-90-90-34-101-01 POWER SUPPLY Reparatur
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