6ES7412-2XG00-0AB06ES7412-2XG00-0AB0

以上plc命令請(qǐng)求中，stx（02h）是起始前綴符，etx（03h）是結(jié)束后綴符，電子秤返回?cái)?shù)據(jù)中前后綴符之間為帶±極性pol符的6位十進(jìn)制當(dāng)前稱量值，其中sp（20h）為空格，cr（0dh）為回車，lf（0ah）為換行；s7-300plc在一個(gè)連接中通過(guò)命令方式完成每臺(tái)臺(tái)秤的稱量數(shù)據(jù)采集任務(wù)，雙方所有數(shù)據(jù)都以ascii編碼傳送，plc可根據(jù)不同工藝要求發(fā)不同的命令，分別可讀取凈重、毛重、總重和狀態(tài)功能（去皮、置零、復(fù)位、累計(jì)、超差等）選擇的信息，在netpro組態(tài)中分別建立起6套稱量接口的tcp連接，并且定義由plc端為通信客戶連接端，電子臺(tái)秤設(shè)置為服務(wù)器端，plc通過(guò)send/receive接口程序設(shè)計(jì)實(shí)現(xiàn)與6套電子臺(tái)秤的雙向通信。

2）標(biāo)簽打印編程

godex ez-1100plus標(biāo)簽打印機(jī)具有熱敏/熱轉(zhuǎn)印二種工作模式，具備tcp server/client和usb接口，內(nèi)置常用標(biāo)準(zhǔn)條碼庫(kù)和支持ezpl程序語(yǔ)言，ezpl程序語(yǔ)言屬條形碼高級(jí)控制語(yǔ)言，有三種命令模式：控制命令，設(shè)定命令和標(biāo)簽格式命令。ezpl命令包括一串字符參數(shù)，并以一大寫英文字母啟首，作為功能識(shí)別碼，各參數(shù)間以，作為區(qū)隔，每行命令結(jié)束時(shí)，以內(nèi)建隱藏式符號(hào)“cr”為識(shí)別，控制命令及設(shè)定命令分別以符號(hào)“～”及“∧”啟首，標(biāo)簽格式命令則不以符號(hào)啟首，各識(shí)別碼均為大寫英文字母，各參數(shù)則為小寫字母，旨在定義各類數(shù)據(jù)如線條﹑矩形﹑條形碼﹑文字﹑圖像等等。

條形碼技術(shù)是隨著計(jì)算機(jī)與信息技術(shù)的發(fā)展和應(yīng)用而誕生的，它是集編碼、印刷、識(shí)別、數(shù)據(jù)采集和處理于一體的實(shí)用技術(shù)，它的誕生*地促進(jìn)了商品流通，條形碼技術(shù)也是早期“物聯(lián)網(wǎng)”概念誕生的驅(qū)動(dòng)力之一?，F(xiàn)代化的物流裝備離不開(kāi)商品條形碼，當(dāng)前世界上常用的條碼制總類繁多，但使用zui廣泛的是ean商品條形碼，它由物品編碼協(xié)會(huì)制定并通用于世界各地，我國(guó)目前在國(guó)內(nèi)推行使用的也是這種商品條形碼，ean商品條形碼中zui常用的是ean-13碼，也俗稱為ean標(biāo)準(zhǔn)版；ean-13通用商品條形碼一般由前綴部分、制造廠商代碼、商品代碼和校驗(yàn)碼組成，條形碼的zui后用1位校驗(yàn)碼來(lái)校驗(yàn)商品條形碼中左起第l－12數(shù)字代碼的正確性。從前面所述的tcp連接及通信流程圖中可看出godex ez-1100plus標(biāo)簽打印機(jī)占有tcp connection2連接，在ob1中調(diào)用fc106實(shí)現(xiàn)單向數(shù)據(jù)流通信的ean-13碼打印功能，數(shù)據(jù)流其實(shí)就是標(biāo)簽打印的組合式命令，其命令的格式如下：

New CASH ACME Automatic Valve 1 inch F-82 30 PSI No. 15

New Legend Valve 2 inch T-1001 600 PSI

New Raychem tyco Splice Kit S-150 497537-000

NewTerasaki TemBreak Circut Breaker XE100NS 50-60Hz AC6

New Pepper Fuchs MPD1HD 454381 Photo Head Diffuse Scann

New SMC Double Actuating Pneumatic Cylinder CDMLN40-100

Used Rosemount Alphaline Temperature Transmitter 3U1A2N

New Opto22 PCB Board 001806A

New GE CR294OUW310A2 CR2940U310A2 Light Indicating Pus

New NKE Gripper + 2 Sensors CH10X-A GD NRS-100V-AR AC10

New GE CR2940UX224C2 Pilot Light Green Indicator

Used Rosemount Pressure Transmitter 1151DP4E22M1B1 Cal:

New NKE Gripper + 1 Sensor CH10X-A GD NRS-100V-AR AC100

New OPTO 22 SNAP I/O 4 Channel N.O. Output Part# SNAP-O

New SMC Pneumatic Cylinder CBM2F40-200A-HN 145PSI 1.0MP

New Allen-Bradley P7 Local Power Supply Cable 1771-CP1 

New F.N. Sheppard & Co. Belt TN900H075 AA 900H075 T.B.

New Optibelt ALPHA Belt T5-630-25 Lot of 4

New Kyoho Hyydraulic Cylinder HC1-XD-30X10-FA?-3A Bore:3

New Gates Poly Chain Belt GT Carbon 8MGT-1200-12 Lot of

New Gates Timing Belt T10-1320-25 Lot of 2

New Mcmaster HD Galv Steel Loop Straps COV2109Z1 1/14 

New Bushings 3463.0815563 34630815563 Qty Total of 2

New F.N. Sheppard & Co. Belt TN4255M25AB 425-5M-25 HTD 

New Kyoho ACNL-X2 Cylinder ACNL-X240X50-FA?-R2YK-W 62N40

New SMC Cylinder CG1UN50-110 Max Press 145 PSI 1.00 MPa

New Conbraco Compactorque Pneumatic Actuator 3TS-020-60

New Cutler Hammer E30JB Compact Pushbutton with Light 2

New Gates Poly Chain GT Carbon Belt 8MGT-1000-12 Lot of

New Tri-Clover Spare Parts Kit C216-1SFY

New Tri-Clover C216-3SFY Seal Kit

New Hydraulic Cylinder FJ-LAB1-40X66-2?0 40mm Bore 66 mm

NEW MAC Solenoid Valve PME-112DABE 6.8 WATTS EO5 120V/

New Apollo Valves Solenoid Valve 3TD-030-00A Max Press:

Philips Dale Resistors PL23 RN55C4322F 42.2 K Ohm Set o

New Avery Dennison Standard Paper Testing Waxes 8 Stick

New Avery Dennison Standard Paper Testing Waxes 8 Stick

New Avery Dennison Standard Paper Testing Waxes 8 Stick

New Thomas & Betts T&B Panel Mount Housing Base PB132 P

New SMC Ejector IN0-3971-77-4

New Weidmann Standard Paper Testing Waxes 8 Sticks 14A 

Heater Assy Assembly AR505-1800 AR5051800 1.500" X 2.31

New SMC Pneumatic Cylinder CQ2B40-75DCM-XC?18 145PSI 1.0

New Siemens Electronic Relative Humidity Duct Sensor 53

New Allen Bradley 100-A12NZ243 100A12NZ243 Contactor 12

New Basys Controls TS Series Temperature Sensor Type:TS

New Marshall Town Instruments Guage G25750 4-1/2" 0-30

New Dyna-Veyor INC. DV-600-LF1873Pl?ates Low Friction QT

Used Reliance Electric 57C380 Communications Module

New Zook 2 IN Rupture Disk PTG03 42734.020 1MX2X42X7

New Weidmann Standard Paper Testing Waxes 8 Sticks 12A 

New Carr Lane Roemheld Pressure Relief CLR-0460-682-TB?N

New OHMITE RLS1K25E Rheostat, Wirewound .1.25KOHM, 150W

New IHARA Check Valve KZD12-500N 1/4" Straight Compress

New Honeywell ML8115B1004 Two-Position Direct Coupled A

New Husky Bi-Metal Heater 1028718 1000 Watts 240V

Used Ferraz Shawmut Ultrasafe USM21 Fuse Block Holder 6

New Lot of 2 RHP Bearings 6009-2RSNRJ 60092RSNJ

New Speedaire Air Line Filter 4ZL40 3/8" 150 PSIG 10 B

New NACHI Ball Bearing 40TAA09DF Double Row, mm, 50mm

NEW BALLUFF BES-516-329-G0-?X3 142 BES-516-329-G0-?X PROX

New Potter & Brumfield Relays K10P-11D15-24 24 VDC Lo

New Johnson Controls Warmer/Cooler Scale,Bulb Thermomet

New Dristeem Relative Humidity Transmitter KHD-2-DBS

New SMC Cylinder CQ2WB63-25DCM-X C18 145 PSI 1.00 MPa 6

New Powerex Semiconductor CD431640AC14 4N309A 0505

New SMC Cylinder CQ2WB50-50DCM-X?C18 145 PSI 1.00 MPa 50

New OPTO 22 I/O Module ODC5Q LOT OF 2 II44054AD UL Moto

New Balluff Inductive Proximity Sensor BES-516-345-M0-?X

New OPTO 22 Remote Brick Terminator G4TERMR COM 005461 

New Balluff Proximity Sensor Switch BES-516-118-B0-?C5 1

New Rexnord B448ES Seal Kit E-SEAL Qty 2 Total

Murr Elektronik M12 Adaptor On Top Of MSUD Valve from A

New SMC Cylinder T-CHDMC25-75-K5?9W Max.Press. 3.5MPa D-

New SPI Bestyet flex stand 7" stand without base 98-356

New SMC Cylinder CDQ2B40-F1331-1?30 145PSI 1.0MPa D-J79W

New ADC KRONE LSA-PLUS Insertions Tool 10 087 256 Harr

New SMC Pneumatic Cylinder CQ2WA40-75DCM-X?C18 145PSI 1M

New Numatics Pneumatic Regulator R880-02C 05046280 Maxi

New Taiyo Parker Hydraulic Cylinder 160S-16SD40N30T?-LN

New Plast-o-matic Valves INC. Seal Kit Only For BSDA35T

New Toyo-oki Hydraulic Cylinder A686720 2001-06 TFA-SA 

New Turck EuroFast Cordset RK4.5T-10 U5238 300V P-7K-SC

New SMC Pneumatic Cylinder ACNL-X2-40X160-?FA-S-XC18 40

New SMC Pneumatic Cylinder CA1FN63-75-XC18 145 PSI 1.

Used Allen Bradley Relay Base 700HN121 Lot Of 5 10 Amp

New Yuken Hydraulic Cylinder CJT70-FA32B25B-?ABB-EK-20A 

New Select Tune Up Kit SM4AMAN-TK1 05038472 011-000486-

Used United Electric Controls Pressure Switch P/N: H12

New Plast-O-Matic Seal Kit Only For BSDA25T-NC SKBSDA02

New Select Series Fluid Products Tune Up Kit SM4AMAN-TK

Used Allen Bradley Manual Motor Controller 140M-C2E-B40

Used Allen Bradley Terminal Fuse Blocks 1429-H IEC 947-

New Dr. Electric Brushless Reverse Exciter 124C697G02 

New SMC Air Cylinder T-ACNL-X2-40X10?0-FA1-XN Bore 40mm 

New Dayton 6KD75 117 CFM AC AXIAL FAN 115 Volts 20/22 W

New TAIYO Hydraulic Cylinder 160S-16SD32N30 Maximum Pre

New SMC Cylinder T-CDJ1K15-60-67?9WL XW DC24V D-J279W 10

New TOYO-OKI Hydraulic Cylinder TFA-SA1FA32B70B?15ABD 32

New NSK Bearing 6313RZZC3E 711 SRIS 6313Z 6313 R 6313 R

New SMC Hydraulic Cylinder CHQB50-40D 50mm Bore 40mm S

New Taiyo Hydraulic Cylinder 100S-1R6SD32N30?-CN2 Max Pr

New SMC Air Cylinder ACNL-X2-40X190-?FA-S-XC Bore 40mm S

New NSK Vogel Miniature Valve OAV-01 Max Pressure: 140

New Taiyo Parker Hydraulic Cylinder 160S-16SD40N40T?-L

New emecanique Square D Contactor Starter LC1DT25F7 

New SMC Cylinder CDQ2B63-100DCM-?XC18 145PSI 1.0MPa 63mm

New Parker 4 Way 2 Position Double Solenoid Air Control

New NKE Slide Cylinder Bore LC15-15 9503 AC100V DC24V N

New TDK-Lambda Power Supply DPP15-24 Input: 115/230 VAC

New Power-One 5 Power Supply P/N: HN5-9/OVP-A Output: 5

New SMC Air Cylinder CDJ2KB16-15-J79?WL Max Press 100PSI

New Johnson Controls Temperature Sensor Duct AVG TE-G32

New EGS Appleton Electric Company Prismatic Glass Globe

New Eaton E Frame Circuit Breaker Handle 080825-T

New MAC 44B-AAA-GDFA-2B?A 44BAAAGDFA2BA Valve 24VDC 4.0 

New Allen Bradley Control Relay Cat: 700-HF32Z24 700 T

New Litton Clifton Precision Stepper Motor Type 15 SVAY

Used Belimo Air Damper Actuator GM24-SR US 24 VAC 50/

New Taiyo Parker Hydraulic Cylinder 35S-1R6SD32N45-?AR2