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它为优化编码性能提供了一个环境,与汇编语言相似。
厂家提供的编程软件中一般包括一种或几种编程语言,如TE公司的XTEL编程软件可以使用梯形图(Ladder)、顺序功能图(Grafcet)、结构化文本(Literal)3种编程语言;Siemens公司的Step7编程软件可以使用梯形图(Ladder)、指令表(STL)两种编程语言;Modicon公司的Modsoft编程软件只使用梯形图(984梯形)一种编程语言,而另一个Concept编程软件可以使用5种编程语言,依次为梯形图(LD)、顺序功能图(SFC)、功能块图(FBD)、结构化文本(ST)、指令表(IL)。同一编程软件下的编程语言大多数可以互换,一般选择自己比较熟悉的编程语言。
Square D 15 amp circuit breaker EDB24015 NEW IN BOX NIB
Square D 100 amp circuit breaker QO2100 NEW IN BOX NIB
MHL36800 SQUARE D CIRCUIT BREAKER *BRAND NEW IN BOX*
MAL361000 SQUARE D CIRCUIT BREAKER *BRAND NEW IN BOX*
MAL36800 SQUARE D CIRCUIT BREAKER *BRAND NEW IN BOX*
MAL361200 SQUARE D CIRCUIT BREAKER *BRAND NEW IN BOX*
SQUARE D 15 AMP BOLT-IN CIRCUIT BREAKER FAL34015 LUGLUG
Square D QO250 2 Pole 50 A Type QO NI Circuit Breaker
SQUARE-D 15 AMP SINGLE POLE BREAKER QO115 10 pack
SQUARE D BREAKER QIB2100, 100 AMP, 240VAC, 2 POLE, USED
Square D QO Single Pole 20A 20 Amp GFI GFCI QO120GFI sw
Square D QO Single Pole 20A 20 Amp GFI GFCI QO120GFI
NEW SQUARE D 30 AMP CIRCUIT BREAKERS/AUXILIARY CONTACT
Square D FA26030AC1202 Circuit Breakers, 30 Amp, NEW!
Square D Enclosed Molded Case Switch QO-200TR 60A 240V
Used Square D QO 1 Pole 20 Amp Circuit Breaker
Square D LCL36400 Circuit Breakers, 400 Amp, 65 kA, NEW
Square D LAL36400 Circuit Breakers, 400 Amp, NEW!
Square D Circuit Breaker QO120 1P 20A 120/240V (NEW)
EUC~ Square D QO220 20 Amp 2 Pole PlugIn QO Q0220 Q0 CB
SQUARE D HOMELINE 120 VOLT 20 AMP ARC-D-TECT ARC DETECT
NEW SQUARE D TWIN CIRCUIT BREAKER QOT120 20 AMPS
Square-D #QOM-2200VH 200A 2P Circuit Breaker (U) 6/2/3A
SQUARE D LP-3541 20 AMP CIRCUIT BREAKER 120/240V QTY 5
SQUARE D LP-3541 20 AMP CIRCUIT BREAKER 120/240V QTY 5
SQUARE D LP-3541 20 AMP CIRCUIT BREAKER 120/240V QTY 5
SQUARE D MG-7018 20 AMP CIRCUIT BREAKER 120/240V QTY 5
SQUARE D LP-3541 20 AMP CIRCUIT BREAKER 120/240V QTY 5
SQUARE D MG-7018 20 AMP CIRCUIT BREAKER 120/240V QTY 5
Square D QO Twin Tandem 15A 15 Amp Breaker QOT1515