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西門子 6ES7331-7PF00-0AB0西門子 6ES7331-7PF00-0AB0

工控zui重要的*是穩(wěn)定,第二是穩(wěn)定,第三還是穩(wěn)定,而穩(wěn)定不單是硬件方面,軟件其實(shí)也非常重要,再有就是抗于擾。這里只談PLC軟件。 我把PLC程序規(guī)范為以下幾個(gè)組成部分： 
一、系統(tǒng)初始化， 
二、過程或狀態(tài)的描述(相當(dāng)于繼電、接觸控制中的中間繼電器)， 
三、人機(jī)操作控制(手動(dòng)操作，參數(shù)修改等)， 
四、設(shè)備控制輸出(電機(jī)、閥等)， 
五、通信(各控制設(shè)備間的互鎖和數(shù)據(jù)交換)、 
六、過程或狀態(tài)的故障描述， 
七、報(bào)警輸出和故障位置等信息顯示， 
八、生產(chǎn)過程報(bào)表(產(chǎn)、質(zhì)量等)。 
手機(jī)

： 

 Qq:

鄭娟萍

廈門仲鑫航自動(dòng)化設(shè)備有限公司

下面主要談?wù)勥^程或狀態(tài)的描述和設(shè)備控制輸出，因?yàn)檫@基本上是程序的主要部分。
程序好壞的標(biāo)準(zhǔn)：穩(wěn)定、易調(diào)試、易修改、易擴(kuò)展、易讀、實(shí)時(shí)性(快)。在這么多年的實(shí)踐中，我感到先由過程或狀態(tài)的描述得到各種狀態(tài)變量，再對設(shè)備輸出進(jìn)行編程能比較好的達(dá)到上述目標(biāo)，可能它在快的方面有所欠缺(因?yàn)槌绦蜷L一些)但這*可以從其它方面得到解決(例如中斷)。這種想法主要源自數(shù)學(xué)上的狀態(tài)方程：Q=f(S1，S2，S3……..,Sn)其中Q為設(shè)備輸出,S1、S2、S3…….Sn為狀態(tài)變量(包括輸入輸出)。f是由指令系統(tǒng)組成的算法。

SIEMENS 240VAC 30A HEAVY DUTY ENCLOSED SWITCH SN421

SIEMENS SIMATIC S7 CPU MODULE CPU 412-2 6ES7 412-2XJ05-0AB0

SIEMENS 600VAC 25A MANUAL MOTOR CONTROLLER 3VU1600-1CN00

SIEMENS SIMATIC S7 PS307 1P6ES7 307-1BA00-0AA0

SIEMENS SELECTOR SWITCH 3SB30002GA11 NIB

SIEMENS SIRIUS 3R 24VDC COIL CONTACTOR 3RT1034-1B..0

SIEMENS SIMATIC S7 24VDC, 2A DIGITAL OUTPUT MODULE 142-1BD40-0XA0

SIEMENS 64K x 16 BIT MEMORY SUBMODULE 6ES5 375-0LA71

SIEMENS SINUMERIK 16 OUTPUT E-MODULE DMP 16 E-MODUL COMPACT

SIEMENS 6ES7 221-1 BF22-0XA0 INPUT MODULE, NIB

SIEMENS SIMATIC S7 0.5A 24VDC DIGITAL OUTPUT MODULE 6ES7 132-4BD00-0AA0 W/ BASE

SIEMENS 0.45-0.63A SELF PROTECTED MOTOR STARTER SWITCH 3RV1021-0GA10 NIB

SIEMENS 600VAC MAX 25A MANUAL MOTOR CONTROLLER 3VU1600-0CN00

SIEMENS SIMATIC S7 ANALOG OUTPUT MODULE 6ES7 135-4FB00-0AB0

SIEMENS SENTRON SERIES 240VAC 70A 3-POLE CIRCUIT BREAKER ED23B070

SIEMENS SIMATIC S7 MODULE INTERFACE 6ES7 361-3CA01-0AA0 *PLASTIC*

SIEMENS 200-330V 0.48KW 3-PHASE AC MOTOR LA5079-2AA93-Z

SIEMENS SIMATIC S7 24VDC POWER MODULE 6ES7 138-4CA00-0AA0

SIEMENS SIRIUS 3R 24VDC COIL 35A CONTACTOR 3RT1023-3BB40

I-T-E ITE SIEMENS SN-323 / SN323 FUSED DISCONNECT, VACU-BREAK CLAMPMATIC 100 Amp

SIEMENS SIRIUS 3R CONTACTOR 3RH1131-1HB40

SIEMENS 24VDC COIL CONTACTOR 3TF2010-0BB4

TEXAS INSTRUMENT/SIEMENS 32 PT 110VAC INPUT MODULE  500-5055

SIEMENS 30A, 24VDC COIL CONTACTOR 3TF43

SIEMENS EMERGENCY-STOP RED PUSHBUTTON 3SB3 203-1HA20 NIB

SIEMENS 80-110A OVERLOAD RELAY 3UA60 00-2X

SIEMENS SIMATIC S7 100KHz 24V COUNTER MODULE 6ES7 138-4DA00-0AB0

SIEMENS SIMATIC S7 24-48VDC, 24-230VAC POWER SUPPLY MODULE 6ES7 138-4CB10-0AB0

SIEMENS SST DeviceNet SLAVE ADAPTER MODULE 5136-DNS-200S REV. 02.001

SIEMENS 4A 3-POLE CIRCUIT BREAKER 5SY43 MCB C4

SIEMENS SIMATIC S5 ADAPTER CASING 6ES5 491-0LB11

SIEMENS TERMINAL MODULE, 6ES7 193-4CA50-0AA0

SIEMENS 20A 277VAC CIRCUIT BREAKER LOT OF 3 5SX21 C20

SIEMENS SIRIUS 24VDC COIL CONTACTOR 3RT1024-1KB40

SIEMENS MASTERDRIVES MC 380-480V OUTPUT AC/AC DRIVE 6SE7018-0EP50-Z

SIEMENS 10A CIRCUIT BREAKER LOT OF 2 5SX21 A10

SIEMENS 690V 20A MOTOR PROTECTION CIRCUIT BREAKER, 3VU1300-0MG00

SIEMENS 400A, 600VAC, 3-PHASE, 3W XL-X BUSWAY TAP BOX RL304C-SPEC

SIEMENS SIMATIC S7 POWER SUPPLY 6ES7307-1KA01-0AA0 NIB

SIEMENS SIMATIC S7 9-SLOT RACK 6ES7400-1JA01-0AA0

SIEMENS 6ES7 194-1JB00-0XA0 SIMATIC S7 COVER PLATE FOR ET 200X BASIC MODULE

SIEMENS  S7 24V DC SUPPLY VOLTAGE MODULE 6ES7 153-1AA02-0XB0 MISSING COVER

SIEMENS DIGITAL OUTPUT MODULE 6ES7 132-4BD02-0AA0 W/ BASE 193-4CA30-0AA0

SIEMENS SIMATIC S7 120/230VAC POWER MODULE 6ES7 138-4CB00-0AB0

SIEMENS SITOP SMART 24VDC 2.5A DC POWER SUPPLY 6EP1332-2BA10 *NEW*

SIEMENS SIMATIC S7 1P 6ES7 138-ADA02-0AB0 MODULE WI/ 193-4CB30-0AA0

SIEMENS SIRIUS 3R 5.5-8A MOTOR PROTECTION CIRCUIT BREAKER 3RV1011-1HA10

SIEMENS SIRIUS 10A 24VDC CONTROL RELAY 3RH1131-1BB40 *LOT OF 10*

SIEMENS 3RH1921-1FA04 240 VOLTS 10 AMPS AUXILIARY CONTACT BLOCK, NNB

SIEMENS SITOP POWER 10 POWER SUPPLY 6EP1 334-2BA00 2 *LOT OF 3*

SIEMENS 75VA INDUSTRIAL CONTROL TRANSFORMER MT0075B

SIEMENS PB BUS CONNECTOR WITH AXIAL CABLE OUTLET 6GK1500-0EA02

SIEMENS 3RT1017-1MB41-0KT0 21-44 VDC CONTACTOR, NNB

SIEMENS SITOP POWER 5 POWER SUPPLY MODULE 6EP1 333-2AA00

SIEMENS SIMATIC ANALOG INPUT MODULE 6ES7 134-4JB50-0AB0

SIEMENS F352 SAFETY DISCONNECT SWITCH, 60 AMP

SIEMENS * PUSHBUTTON * 3SB35 00-0BB61

SIEMENS 6DR 2200 USER'S GUIDE FOR SIPART DR22 CONTROLLER, NEW

SIEMENS SIRIUS OVERLOAD RELAY 3RU1126-4AB0

SIEMENS SIMATIC S7 OUTPUT MODULE MISSING DOOR 1P 6ES7 322-1BH01-0AA0

SIEMENS POWER SUPPLY 6EP1 333-1SL11 PLASTIC COVER BROKEN

SIEMENS 3VE1010-2D CIRCUIT BREAKER, 20 A 300 VAC, 5 A 600 VAC, LOT OF 5, NNB

SIEMENS TRANSFORMER 4AM5166-8AB

SIEMENS SIRIUS 22-32A SELF-PROTECTED MOTOR CONTROLLER 3RV1031-4EA10

SIEMENS ITE SENTRON SERIES 600VAC 100A 3-POLE CIRCUIT BREAKER ED63B100

SIEMENS SIRIUS 0.7-1A MOTOR PROTECTION CIRCUIT BREAKER 3RV1021-0JA10

SIEMENS 0.24-0.4A SELF-PROTECTED MOTOR STARTER SWITCH 3VU1300-1MD00

SIEMENS -ALLIS 0.4-0.63A MANUAL STARTER PROTECTOR MSP10DA11 *NEW*

SIEMENS SIRIUS 7-10A OVERLOAD RELAY 3RU1116-1JB0

SIEMENS DS1-x COMBINATION STARTER TERMINAL 3RK1301-1AB00-0AA2 *INCOMPLETE*

SIEMENS OP270 KEY-6 CSTN OPERATOR PANEL NIB 1P 6AV6 542-0CA10-0AX0 100603

SIEMENS CINCINNATI MILACRON 3-PHASE SERVO MOTOR 1 FT5074-0AC01-2-Z

SIEMENS RED ILLUMINATED PUSHBUTTON 3SB35 01-1EB61 *NEW*

SIEMENS LIGHTING & HEATING CONTACTOR LEN00G003***A

SIEMENS 2.2-3.2A SELF PROTECTED MOTOR STARTER SWITCH 3RV1421-1DA10

SIEMENS 6-10A SELF-PROTECTED MOTOR STARTER SWITCH 3VU1300-1ML00

SIEMENS CIRCUIT BREAKER 1P 20A 5SJ4120-7HG40

SIEMENS SELECTOR SWITCH 3SB35 00-2UA11

SIEMENS 24VDC DIGITAL INPUT MODULE 6ES7 321-1BH02-0AA0

SIEMENS SIMATIC S7 RELAY OUTPUT MODULE 6ES7 132-4HB10-0AB0 W/ BASE

SIEMENS 3RT1017-1MB41-0KT0 21-44 VDC AC-3 CONTACTOR, NIB

SQUARE D 120/240VAC 225A 2-POLE CIRCUIT BREAKER Q2L2225

SIEMENS AC SERVO MOTOR WITH BRAKE AND GEAR REDUCER 1FK7083-5AF71-1FV5-Z, NEW #2

SIEMENS 4300 DISPLAY MODULE

SIEMENS SIMATIC S7 100KHz 24V COUNTER MODULE 6ES7 138-4DA00-0AB0 *WITHOUT BASE*

SIEMENS SIMATIC S5 0.5A 32xDC 24V DIGITAL OUTPUT MODULE 6ES5 451-7LA11

SIEMENS SIMATIC S5 32K x 8 BIT MEMORY MODULE 6ES5 375-3LA41

SIEMENS SIMATIC S7 POWER MODULE 6ES7 138-4CB10-OABO W/ BASE *LOT OF 3*

SIEMENS 24VDC COIL CONTACTOR 3RT1015-1BB41 W/ AUX CONTACT 3RH1911-1HA22

SIEMENS SIRIUS 24VDC COIL 35A STARTER COMBINATION 3RA1120-1JC26-0BB4

SIEMENS SIRIUS 24VDC COIL 35A STARTER COMBINATION 3RA1120-4AC26-0BB4

SIEMENS SIMATIC S7 120VAC DIGITAL INPUT MODULE 6ES7 131-4EB00-0AB0 *LOT OF 3*

SIEMENS SIMATIC S7 5VDC S7-300 EXPANSION MODULE 6ES7 361-3CA01-0AA0 99974

SIEMENS 24VDC COIL 35A REVERSING STARTER 3RA1323-8XB30-1BB4

SIEMENS 24V SISTOP DIAGNOSTIC MODULE 6EP1 961-2BA00 Q6P0

SIEMENS * INTERFACE PCB BOARD * 412-2B710.89 / 580412

SIEMENS 24VDC COIL 35A REVERSING STARTER 3RA1323-8XB30-1BB4

SIEMENS 24V SISTOP DIAGNOSTIC MODULE 6EP1 961-2BA00 Q6P0

SIEMENS * INTERFACE PCB BOARD * 412-2B710.89 / 580412

SIEMENS 3RT1015-1MB42-0KT0 21-44 VDC CONTACTOR, NNB

SIEMENS POWER UNIT TERMINAL 193-0CB30-0XA0

SIEMENS 600VAC MANUAL MOTOR CONTROLLER 3VU1600-1MQ00

SIEMENS SIRIUS 3R 17-30VDC COIL 10A RELAY 3RH1131-1KB40

SIEMENS SIMODRIVE UEB INT/EXT. MONITORING MODULE 6SN1112-1AC01-0AA0

SIEMENS SIMATIC S7 24-230VAC DIGITAL OUTPUT MODULE 6ES7 132-4FB00-0AB0 W/ BASE

SIEMENS CIRCUIT BREAKER 1P 400V NIB 5SX21 C8

SIEMENS 230/400VAC MAX SINGLE POLE CIRCUIT BREAKER 5SX21 C6 *LOT OF 10*

SIEMENS SIRIUS 3R 110/120VAC COIL AC CONTACTOR 3RT1023-1AK60

SIEMENS 30V 2.4A DC POWER SUPPLY 3RX9301-0AA00

SIEMENS SIMATIC S7 DP/DP COUPLER MODULE 6ES7 158-0AD01-0XA0

SIEMENS ABB ROBOTICS AC SERVO MOTOR 1FT3101-5AZ21-9-Z *ORANGE*

SIEMENS 24VDC MAGNET-OPERATED SWITCH 3SE6 605-3BA *NEW*

SIEMENS 10A CIRCUIT BREAKER LOT OF 2 5SX21 B10

SIEMENS BLEI-AKKU-MODUL 24VDC 15A 2,5H LEAD BATTERY PACK 1P 6E91 935-6MD31

SIEMENS SIMATIC S5 32xDC 24V DIGITAL INPUT MODULE 6ES5 430-7LA12

SIEMENS SIRIUS CONTACTOR 3RT1017-1JB41

SIEMENS RELAY 3TX7112-LF13 NIP

SIEMENS SINUMERIK SIMODRIVE CABLE ASSEMBLY 6SN1161-1CA00-0AA1/ab

SIEMENS SIMATIC S5 PLC SUBRACK 6ES5700-2LA12

SIEMENS PROFIBUS FAST CONNECT PLUG 6GK1 500-OFC10, NIB

SIEMENS SINUMERIK INTERFACE BOARD 6FC5112-0DA01-0AA1

SIEMENS 24V 5A SITOP POWER SUPPLY MODULE 6EP1 333-2AA01

SIEMENS AMBER ILLUMINATED PUSHBUTTON 3SB35 01-1EA01 *NEW*

SIEMENS 60A 600V 200KA 3-PHASE SAFETY SWITCH  99494

SIEMENS 6ES7 194-1AA01-0XA0 CONNECTOR, NEW

SIEMENS SIMODRIVE 611 U/E-MODUL INT-EXT.5/10KW 1P 6SN1146-1AB00-0BA1

SIEMENS INTERFACE CONTROL CARD 15853-12-1 NNB

SIEMENS SIMATIC S5 24V DIGITAL INPUT MODULE 6ES7 306-7LA11

SIEMENS * CONTROL CIRCUIT BOARD * 4620089232.00 C D E

SIEMENS SIGNAL COLUMN RED LIGHT  8WD4 400-1AB

SIEMENS AUXILIARY CONTACT BLOCK 3RH1921-1HA13 *NEW*

SIEMENS 16-25A OVERLOAD RELAY 3UA59 00-2C

SIEMENS SIMATIC S5 MEMORY SUBMODULE 374 6ES5 374-0BA11

SIEMENS SIMATIC S5 MEMORY SUBMODULE 374 6ES5 374-0AA11

SIEMENS SITOP power 5 24V 5A DC POWER SUPPLY 6EP1333-2AA00

SIEMENS SITOP POWER 10 24V 10A DC POWER SUPPLY 6EP1434-2BA00

SIEMENS CERBERUS PYROTRONICS SUPPLEMENTARY RELAY MODULE SR-35 NNB

SIEMENS SIMATIC S7 POWER MODULE 6ES7138-4CA00-0AA0 W/ BASE 

SIEMENS SIMATIC DP, ET200X, 24VDC BASIC MODULE 141-1BF12-0XB0

SIEMENS PRE-ASSEMBLED SIMOVERT POWER CABLE 6FX80025DA131FA0, NEW

SIEMENS * LASER BOARD 581455 * PCB455-2/03.98

SIEMENS AC SERVO MOTOR IFT 3034 SAZ 21 92

SIEMENS SIRIUS SOFT STARTER 3RW3014-1CB14

SIEMENS CERBERUS PYROTRONICS ALARM EXTENDER MODULE AE-30U NNB

SIEMENS 600VAC 1-1,6A OVERLOAD RELAY 3UA59 00-1A

SIEMENS SIRIUS 24V 50/60HZ CONTACTOR 3RT1016-1AB01

SIEMENS SIRIUS 0.45-0.63A MOTOR PROTECTION CIRCUIT BREAKER 3RV1011-0GA15

SIEMENS SIRIUS 3R 4.5-6.3A MOTOR STARTER SWITCH 3RV1011-1GA10

SIEMENS 24VDC 10A CONTACTOR RELAY, 3RH1131-1BB40

SIEMENS 24V 20A DC POWER SUPPLY TWC 24/20

SIEMENS SIGUARD SAFETY RELAY G/020308D40 / 3TK2824-1BB40

SIEMENS AUXILIARY CONTACT BLOCK 3RH1911-IFA22 *NEW*

SIEMENS 4-6.3A OVERLOAD RELAY 3AU59 00-1G

SIEMENS SIMATIC S5 BUS MODULE 6ES5 700-8MA11

SIEMENS 480V MAX 3 POLE CIRCUIT BREAKER 5 SX23 *LOT OF 3*

SIEMENS POWER SUPPLY 500-2151A

SIEMENS 2 POLE CIRCUIT BREAKER 20 AMP Q220

SIEMENS 2M RFID READER DROP CABLE 6GT2091-0FH20 *NEW*

SIEMENS SIMATIC S7 24VDC OUTPUT MODULE 6ES7 132-4BD00-0AA0 W/ 193-4JA00-0AA0

SIEMENS I-T-E SENTRON SERIES 20A 480V 3 POLE CIRCUIT BREAKER ED43B020

SIEMENS SIMATIC S7 POWER MODULE 6ES7 138-4CA01-0AA0 W/ BASE TM-P15C23-A1

SIEMENS POWER SUPPLY MODULE 6ES7138-4CB10-0AB0 W/ BASE 6ES7193-4CE00-0AA0

SIEMENS SITOP POWER 10 24V 10A DC POWER SUPPLY 6EP1434-2BA00 *NO COVER*

SIEMENS SENTRON SERIES 3 POLE 30A 480V CIRCUIT BREAKER ED43B030 TYPE ED4

SIEMENS CONTROL BOARD  P-PDI 02

SIEMENS 2 POLE 5A 220/380V CIRCUIT BREAKER 5SN7-G0

SIEMENS 5TI PROGRAMMABLE CONTROL SYSTEM MANUAL 2588161-0005

SIEMENS 6A 3-POLE CIRCUIT BREAKER 5SJ43 / 5SJ4306-8HG42

SIEMENS SIRIUS CLASS 10 1.5-6A OVERLOAD RELAY 3RB1026-1PB0

SIEMENS 6ES7361-3CA01-0AA0 SIMATIC S7-300 IM361 MODULE

SIEMENS 10A, 600VAC MAX HEAVY DUTY LIMIT SWITCH 3SE3170-0B *NEW*

SIEMENS 24VDC COIL REVERSING COMBINATION CONTACTOR 3RA1336-8XC34-1QB4

SIEMENS CONTROL CIRCUIT BREAKER 2A 230/400VAC 5SX22 C2

SIEMENS 50VA 230/460V TRANSFORMER KT8050P

SIEMENS 400A 500V FUSE LINK 3NA3 260

SIEMENS SIMATIC S7 DP REPEATER 6ES7 972-0AB01-0XA0

SIEMENS SIMATIC S7 INPUT MODULE 6ES7 131-4BD50-0AA0

SIEMENS 1-1.6A SELF-PROTECTED MOTOR STARTER SWITCH 3VU1300-1MG00

SIEMENS SIRIUS 690V 1NC OVERLOAD RELAY 3RU1126-1JB0

SIEMENS 2.2-3.2A SELF-PROTECTED MOTOR STARTER SWITCH 3RV1021-IDA10

SIEMENS SIMATIC S7 PROFISAFE MODULE 6ES7 138-4FB02-0AB0

SIEMENS MOTION CONNECT 219495M WITH CONNECTOR

SIEMENS SIMATIC S5 SINC COMMUNICATIONS PROCESSOR 6GK1243-3SA00

SIEMENS SIRIUS 3-POLE 24VDC COIL CONTACTOR 3RT1025-3BB40

SIEMENS SINUMERIK COMPACT OUTPUT MODULE 6FC5111-0CA03-0AA1

SIEMENS MOTION-CONNECT 20234 AWM WITH CONNECTOR

SIEMENS 5-PIN Y CONNECTOR 6ES7194-1KA01-0XA0 *NEW LOT OF 3*

SIEMENS 20M CABLE 6FX9002-ADC10-1CA0

GOULD I-T-E NF351H SAFETY SWITCH, VACU-BREAK W/ CLAMPMATIC CONTACTS 30 Amp, NNB

SIEMENS SITOP 24V 5A DC POWER SUPPLY 6EP1333-2BA00

SIEMENS 2.2-3.2A SELF PROTECTED MOTOR STARTER SWITCH 3RV1021-1DA10

SIEMENS TERMINAL MODULE 6ES7 193-4CB00-0AA0 *LOT OF 3*

SIEMENS SIRIUS 1.8-2.5A OVERLOAD RELAY 3RU1126-1CB0

SIEMENS 24VDC COIL 10A CONTACTOR 3TH2040-0BB4

SIEMENS 24VDC 10A CONTACTOR RELAY, 3RH1140-1BB40

SIEMENS CONTROL BOARD 502-01155-00

SIEMENS SITOP POWER 4 3.8A 24VDC POWER SUPPLY 6EP1 332-2BA00

SIEMENS 230V 7W RED DIRECT MOUNT STACK LIGHT 8WD4 400-1AB

SIEMENS SIMATIC S5 BACKPLANE BUS MODULE 6ES5700-8MA11 *LOT OF 2*

SIEMENS SIRIUS 3R .45-.63A MOTOR PROTECTION CIRCUIT BREAKER 3RV1011-0GA10

SIEMENS * I-T-E ENCLOSED SWITCH ENCLOSURE TYPE 4 30AMP  * F321SSR

SIEMENS Q120 120/240 VOLTS 20 AMPS 1 POLE 60 HERTZ CIRCUIT BREAKER

SIEMENS HF322N HEAVY DUTY SAFETY DISCONNECT SWITCH, 60 Amp

SIEMENS 16A 10MA 2-POLE CIRCUIT BREAKER LOT OF 3 5SM1 111-6 RCCB FI

SIEMENS 600VAC CONTACTOR, 3RT1023-1A, NNB

SIEMENS 110-120VAC COIL AC CONTACTOR 3TF4522-0A

SIEMENS 24VDC COIL DC CONTACTOR 3TH4382-0B

SIEMENS SIRIUS 3R CIRCUIT MOTAR STARTER 3RV1021-1EA10 G/010303E04 102411

SIEMENS SIRIUS 3-POLE 24VDC COIL CONTACTOR 3RT1025-1BB40

SIEMENS 0.6-1A 3-POLE MOTOR CIRCUIT PROTECTOR 3VU1300-1MF00 *LOT OF 2*

SIEMENS 0.45-0.63A SELF PROTECTED MOTOR STARTER SWITCH 3RV1021-0GA10

SIEMENS 10-30VDC 4-PIN INDUCTIVE PROXIMITY SWITCH BERO 3 RG 4638-3AG01

SIEMENS CINCINNATI MILACRON 3-PHASE SERVO MOTOR 1 FT5074-0AC01-9-Z

SIEMENS 24VDC 2A DMP COMPACT OUTPUT MODULE 6FC5111-0CA03-0AA2

SIEMENS * SIMODRIVE PC BOARD * 6SC 6100-OGB12

SIEMENS SIRIUS 3R 24VDC COIL 35A CONTACTOR 3RT1026-3BB40

SIEMENS 3-PHASE AC MOTOR CONTROLLER 3RK1300-FS01-1AA0 *BROKEN PLASTIC*

SIEMENS SIMATIC S7 24-230VAC, 2A OUTPUT MODULE 6ES7 132-4HB00-0AB0

SIEMENS SIMATIC S7 24VDC POWER MODULE 6ES7 138-4CA01-0AA0 WITH BASE

SIEMENS 24VDC 10A CONTACTOR 3RH1140-1BB40 W/ AUX CONTACT 3RH1911-1GA04

SIEMENS SIMATIC S7 PLC POWER SUPPLY MODULE WITH BASE 6ES7 138-4CB10-0AB0

SIEMENS 24VDC COIL 600V 2-POLE 32A DC CONTACTOR 3TC44 17-0A

SIEMENS 24VDC 0.5A OUTPUT MODULE 6ES7 132-4BD02-0AA0 W/ BASE TM-E15C24-A1

SIEMENS SIMATIC S7 24VDC DIGITAL INPUT MODULE 6ES7 131-4BD00-0AB0 WITH BASE

SIEMENS SIMATIC S7 24VDC DIGITAL INPUT MODULE 6ES7 131-4BB00-0AB0 WITH BASE

SIEMENS SIMATIC S7 ANALOG OUTPUT MODULE 6ES7 135-4FB00-0AB0 WITH BASE

SIEMENS SIMATIC S7 24VDC OUTPUT MODULE 1P 6ES7 131-4BB00-0AB0 W/ 193-4CA30-0AA0

SIEMENS K10P-11A15-120 SERIES K10 120 VOLTS 50/60 HERTZ MINIATURE RELAY, NIB

SIEMENS CONTACT BLOCK 3SB1420-0B

SIEMENS SITOP POWER 4 24VDC DC POWER SUPPLY 6EP1332-1SH22 *NEW*

SIEMENS SIMATIC S7 ANALOG OUTPUT MODULE 1P NNB 6ES7 432-1HF00-0AB0 99277

SIEMENS 24-48VAC, 12-24VDC SURGE SUPPRESSOR 3RT1916-1J100 *LOT OF 6*

SIEMENS 3SB3 110-1HA20 EMERGENCY STOP BUTTON, 3ZX1012-0SB30-1AA1, NIB

SIEMENS SERIES 3 POLE 400A CIRCUIT BREAKER JXD23B400

SIEMENS SIMATIC S7 ANALOG HIGH SPEED INPUT MODULE 6ES7 134-4FB51-0AB0

SIEMENS 230/400VAC MAX SINGLE POLE CIRCUIT BREAKER 5SX21 C1 *LOT OF 10*

SIEMENS 24VAC/DC 0.05s-100h TIMING RELAY 3RP1505-1AP30 *NEW*

SIEMENS 0.5-10S TIMING RELAY 3RP1511-1AP30

SIEMENS 110-120V  AUTO RESET THERMISTOR 3UN2100-0AF7

SIEMENS 6A 230/400V CIRCUIT BREAKER 5SY41 MCB D6