【51400700-100  霍尼韦尔】

：卢工

：

随着时间进入21世纪，我国大部分在20世纪80年代引进的大型数控镗铣床都已进入大修时期，由于数控系统的更新换代，原机床上所配的数控系统都已停产，系统的备件相当昂贵，因此大部分的用户都会利用机床大修的时机进行数控系统的改造。鉴于这种情况，觉得有必要结合自己的实践经验对此类机床的系统改造作一个总结，以利于大家今后的工作。

　　随着时间进入21世纪，我国大部分在20世纪80年代引进的大型数控镗铣床都已进入大修时期，由于数控系统的更新换代，原机床上所配的数控系统都已停产，系统的备件相当昂贵，因此大部分的用户都会利用机床大修的时机进行数控系统的改造。鉴于这种情况，觉得有必要结合自己的实践经验对此类机床的系统改造作一个总结，以利于大家今后的工作。

　　1. 改造方案的选择

　　1.1 数控系统的选择

　　从国内来看，这一类的机床基本上都是从欧洲进口的，所配的数控系统几乎全部是西门子公司的8M系统，PLC则是西门子公司的S5-150 系列， 而驱 动部分大部分是西门子的直流驱动。

　　在确定改造方案时，由于经费等方面的原因，大部分用户都会选择驱动及电机部分保留而只更换系统的方案，这样出于系统的延续性和兼容性的原因，用户多会选择西门子公司SINUMERIK 840C系统。该系统是西门子公司在九十年代初推出的高档系统，功能强大，使用灵活，适用于各种类型的机械加工设备，目前在国内也拥有大量的用户。如果用户在经费方面没有问题，则还可以有另一种选择，即选用SINUMERIK840D系统，这样的话，则驱动和电机都需要更换。SINUMERIK840D系统是西门子公司九十年代中期推出的一款纯数字的高档数控系统，与之匹配的驱动和电机也都是数字的，从发展趋势看，该系统已进入成熟期，现已成为西门子公司高档系统中的主流机型。

　　1.2 PLC的选择

　　根据所选系统的不同，也就相应选择了不同的PLC。

　　SINUMERIK840C系统所配的PLC是S5-135WD，在这里可供用户选择的是PLC 硬件的形式。一种选 择是分布式I/O (DMP)，另一种选择是扩展单元185U;两种 选择相比较而言，DMP的接线比较麻烦 ，但价格便宜，而185U接线简单，原150的前连接器都可保留，但价格较贵。从使用的角度来讲，两种方案都可以满足系统的功能要求。

　　SINUMERIK840D系统所配的PLC是S7-300，相对来讲接线的工作量与840C系 统选择DMP类似。

　　2. 机床电气系统的处理

　　在电气系统的处理上，要以"少动"为原则，基本上保留原机床的电气系统，只将跟系统有关的部分进行重新设计。对于外围输入输出点的处理，则以保留原地址为原则，即使有不用的点，也保留它的地址，不要被其它点占用，这样在 PLC程序的处理上要有利的多。这一点在后面再作解释。

51400700-100 

LOT OF 4 NEW PUSHBUTTON CLEAR BOOT 9001KU7 9001 KU7 (DR1H-3)

GOOD HONEYWELL UDC3000 VERSA-PRO TEMPERATURE CONTROL 90-264VAC 50/60HZ 18VA (Q2)

CENTRALAB 1403 1 POL-11 POS NON-SHORTING PHENOLIC SWITCH NEW IN BOX (WL17-1)

NEW?, Dwyer cat. # 1950G-00-B-120-?NA Pressure Switch DIAPHRAGM VERTICAL (E6-1)

NEW IN BOX BINDICATOR BANTAM MODEL B POINT LEVEL SWITCH B-1-N (OO1)

NEW NO BOX DAYTON 2E231 THREMOCOUPLE PILOT SWITCH 120/240 VAC 8/3 AMP (124-1)

NEW 3 POS. SELECTOR SWITCH PB2JEL1DAA5 PB1 (309-1)

NEW IN BOX FENWAL THERMOSWITCH 18021-0 2-75 (BIN51)

NEW AREA LIGHTING RESEARCH OUTDOOR LIGHTING PHOTOCONTROL SPT-168 (G2-1)

HONEYWELL GOOD USED MICRO SWITCH BZ-2RW88-P5 15A 125 250 OR 480 VAC (278-1)

NEW IN BOX GE CR215GL53 LIMIT SWITCH OPERATOR LEVER ADJUSTABLE LENGTH (230-2)

NEW LOT OF 3 Square D 8501 NR45 Relay Socket Series A (I6)

GOOD USED SYNTRON ELECTRIC CONTROLLER MODEL C3-A C3A C 3-A (WW6)

NEW IN BOX HONEYWELL MICRO SWITCH BZE-2RQ2 (D2-1)

ALLEN BRADLEY PUSH BUTTON SWITCH 800T-P16 SER T W/ 10171-002 (E8-1)

NEW NIB IDEC ELECTRONIC TIMER GT3A-3AF20 100-240 VAC (225-3)

NEW UNITED ELECTRIC PIN CHUCK PRESSURE SWITCH J40 9613 9640 CP-272605 (C4-1)

ALLEN BRADLEY PUSHBUTTON SWITCH 800T-QH10G SER T (D4-5)

HUGE LOT OF 25 Square D CLASS 9001 K-11 CLOSING PLATE SER A 89693 (WL40-2)

NEW, Dwyer cat. # 1950G-0-B-120-N?A Pressure Switch (E6-2)

GOOD USED ALLEN BRADLEY PHOTOSWITCH 22DJ9-4000 SER B (DR1G-2)

NEW IN PKG ALLEN BRADLEY PHOTOSWITCH 42GDR-9004 90-264VAC NO (189-1)

NEW IN PKG NORGREN CS7-24 SWITCH 9-7000-025 24-240V AC (PP1-1)

SQUARE D SAFETY SWITCH 40274-278-02 600 AMP 600 VAC DUST TIGHT (67)

NEW IN BOX SQUARE D PILOT LIGHT 9001KP1R9 SER J RED CAP UL 4, 13 (H2-2)

CROUSE HINDS EFD2437 S769 EXPLOSION PROOF RED PUSH BUTTON SWITCH USED (52/49)

HONEYWELL BZE6-2RQ MICRO SWITCH NEW IN BOX (BB5-3)

NEW NO BOX FARMER ELECTRIC LOGIC MODULE PHOTOSWITCH TR5R 15V 50/60HZ (K5-2)

SIEMENS ITE VACCUBREAK SAFTEY SWITCH JN321 SER A 30A 240 V AC PHASE 1 (Q8)

NEW IN BOX BINDICATOR ELECTROMECHANIC?AL POINT LEVEL SWITCH B-1-N (B2)

LOT OF 2 NEW NO BOX BARKSDALE SEAL POSITION SWITCH 96210-BB6-Q17 (D2-2)

BELKIN OMNIVIEW KVM SWITCH F1DB104P PS/2 PRO KIT (M7)

FMC GOOD USED SYNTRON ELECTRIC CONTROLLER MODEL C-2 (206)

GENERAL ELECTRIC GE HEAVY DUTY SAFETY SWITCH THN3361 30A 600VAC USED (XX3)

HONEYWELL UDC2000 TEMPERATURE CONTROLLER DC200L-2-000-10?0000-0 (KK2)

NEW NO BOX KIRK INTERLOCK 45-71242 20 (193-1)

LOT OF 4 ALLEN BRADLEY PILOT LIGHT 800MR-P16S SER D (F2-1)

HONEYWELL UDC3000 TEMPERATURE CONTROLLER DC300K-E-000-20?-0000-0 (KK2)

NEW IN BOX DAYTON 3BY84 FLOAT SWITCH (126)

NEW IN BOX PUSHBUTTON MICRO SWITCH 14346-1 2PB331-T2 (225-1)

NEW IN PKG HONEYWELL MICRO SWITCH 4TL1-3D BLACK MS24660-23D 7921 (DR1H-1)

NEW IN BOX WESTINGHOUSE PB2START START PUSHBUTTON GREEN W/ LEGEND PLATE (O1-2)

NEW IN BOX ALLEN BRADLEY 2 POSITION SELECTOR SWITCH 800T-H2C SER N (205-1)

NEW IN BOX CUTLER HAMMER E50RBP9 LIMIT SWITCH RECEPTACLE W/ 2 PIN CONN (133-3)

NEW IN PACKAGE CLIIPARD RS-105L REED SWITCH ELC400009 3 CONDUCTOR (121-3)

NEW IN BOX MICRO SWITCH ACCUATED REED SWITCH 20FR1-6B (WL12-1)

NEW IN BOX GOLD LINE TEMPERATURE SWITCH MT1H-H251S-12-A (96344) (OO1)

NEW NO BOX NNB KIRK INTERLOCK 45-71242 18 (193-1)
NEW IN BOX WESTINGHOUSE PB2STOP START PUSHBUTTON RED W/ LEGEND PLATE (O1-2)

NEW IN BOX SQUARE D PILOT LIGHT 9001KP1Y9 YELLOW W/ CONTACT 9001 KM1 (H2-2)

NEW ARROW 3/4 EXHAUST MUFFLER ASQF-6 M-U (276)

NEW IN BOX ELECTRO SWITCH 21305A ROTARY CAM SWITCH 21 SERIES 5 DECK (O1-1)

ALLEN BRADLEY 800T-P16 SER T PUSHBUTTON SWITCH NO CAP 800T-FXR16RA1 (D4-3)

NEW IN BOX PROXIMITY PADDLE LEVEL SWITCH PLS W-D-1-3-0-SS-0-?048 NEMA 4, 4X (B2)

SQUARE D SAFETY SWITCH B-40274-278-01 600 AMP 600 VAC DUST TIGHT (66)

NEW NO BOX SQUARE D PILOT LIGHT 9001 KM1 SER H YELLOW 110-120V 50/60 HZ (F2-3)

LOT OF 2 NEW IN BOX MERCOID MICRO SWITCH DT-2RV3881-B6 (278-2)

NEW IN PKG MICRO SWITCH TOGGLE SWITCH MS24660-23D 4TL1-3D BLACK (O1-2)

ROSEMOUNT PRESSURE TRANSMITTER 244P 00244-5007-001 5 1/4" (K5)

**NEW** AB PHOTOSWITCH TERMINAL BASE 42MTB-5000 SER B 120V (U5-1)

ALLEN BRADLEY ILLUMINATED SWITCH 800T-QH10G SER T 120V AC/DC (E8-1)

LOT OF 2 NEW?? MICRO SWITCH 14346-1 (224-1)

NEW MICROSWITCH 4TLT-1A MS24660-21A BLACK TOGGLE SWITCH (BIN93)

NEW IN BOX ALLEN BRADLEY 800MR-P16G PILOT LIGHT SMALL ROUND (DR1E-2)

ALLEN BRADLEY KNOB SWITCH 800MR-N37 SER A W/ SPECTROL 132-2-0-502 (F2-1)

BENTLY NEVADA 3500/05 RACK (Q1)

NEW IN PKG HONEYWELL MICRO SWITCH 4TL1-1A MS24660-21A 7917 (DR1H-1)

NIB** EATON CUTLER HAMMER HT8HFRV3 PILOT LIGHT 24V FV RED T0907 SERIES A1 (260)

NEW NIB ITT SOLENOID COIL C225F02A18 120 60HZ 110V 50HZ CLASS F (280-7)

HONEYWELL MICRO SPLASH PROOF SWITCH OP-Q USED (DD3-1)

HONEYWELL UDC3300 TEMPERATURE CONTROLLER DC330B-K0-0BO-2?00-20-000000-00?-0 (KK2)

SQUARE D SAFETY SWITCH GENERAL DUTY D221N SER E2 TYPE 1 30A 240 V AC (U6)

NEW WITH TAG SCHRADER BELLOWS MODULAR LUBRICATOR 4569-2000 300 PSIG MAX (108-2)

NIB** EATON CUTLER HAMMER PILOT LIGHT 24V FV GRN T0807 SERIES A1 (260)

ALLEN BRADLEY MANUAL STARTING SWITCH 600-TEX5 SERIES D 1 HP USED (52/49)

K BRAND X-62 EMERGENCY PUSHBUTTON ACTUATOR 64B-17 EXPLOSION PROOF (52/49)

HONEYWELL GAS/AIR C437D 1013 MANUAL RESET PRESSURE SWITCH 1/2 /5 PSIG USED (P2)

ALLEN-BRADLEY 800H-AK1 SER B W/CONTACT 800T-XA GREEN PUSHBUTTON NEW (CC6-3)

NEW IN BOX ELECTROSWITCH 24207E ROTARY SWITCH (158)

NIB** EATON CUTLER HAMMER 2-POS PUSH/PULL RED- PUSH BUTTON T1607 SERIES A (260)

LOT OF 4 NEW ALLEN BRADLEY 40793-600-02 HARDWARE KIT FOR OVERLOAD RELAY (DR1F-1)

SQUARE D SAFETY SWITCH 30A H321A 240VAC (N7)

ITE JU323 Enclosed Switch Type 1 indoor 100A 240VAC 3PH 240V 30HP (D7)

NEW IN PACKAGE NAMCO ET-320-22420 PROXIMITY SWITCH (133-10)

NEW IN BOX SQUARE D PILOT LIGHT 9001 KP1G9 SER H W/ GREEN PLASTIC LENS (H2-2)

NEW DWYER PHOTOHELIC 3301 70831AC8 MAX PRESSURE 25 PSIG (134)

STATIC O RING PRESSURE SWITCH 4BA-KB5-N4-B2A (N5)

NEW IN BOX OMRON WL GCA2 LIMIT SWITCH NEMA 600 TYPE 3, 4, 13 (109-1)

HONEYWELL MPF1 9610 FIBER OPTIC PHOTO HEAD NEW IN BOX (WL17-1)

Russellstoll F34331 Interlock Switch 30A, 480V, 3P, 4W (117)

NEW NO BOX ALLEN BRADLEY OILTIGHT LIMIT SWITCH 802T-A1P1 SER H (DR1F-1)

NEW IN BOX WHITE-RODGERS 16A35-3 ICE BANK CONTROL 7 FEET (151)

LOT OF 3 NEW EATON TOGGLE SWITCH 0811 10A 250VAC 15A 125VAC 3/4 250VAC (K2-1)

LOT OF 3 NEW EATON TOGGLE SWITCH 0907 10A 250VAC 15A 125VAC 3/4 250VAC (K2-1)

SQUARE D 200 AMP PANEL PLUG DISCONNECT SWITCH 3 POLE 240VAC SER 4 GOOD USED (C7)

DWYER LOW DIFFERENTIAL PRESSURE SWITCH 1823-40 NEW IN BOX (DD3)

LOT OF 2 NEW NO BOX BARKSDALE SEAL POSITION SWITCH 96200-BB1-Q19 (D2-2)

NEW IN BOX BANNER VALU-BEAM PHOTOSWITCH SM2912DSR (G3-3)

HONEYWELL UDC3000 TEMPERATURE CONTROLLER DC300C-0-000-20 50/60HZ 18VA (KK2)

GE HEAVY DUTY DISCONNECT TH4321 NP266212A 30A 240 VAC MAX HP 7.5 MOD 7 (51)

HONEYWELL UDC3300 TEMPERATURE CONTROLLER DC330E-K0-EE-20?0-20-0F0000-00-?0 (KK2)

HONEYWELL UDC3300 TEMPERATURE CONTROLLER DC330E-K0-0C0-2?4-00P00-00-0 GOOD (KK2)