1764-MM1

1764-MM1

1764-MM1 工作原理: 通电后启动SB2电源通过R附2的常闭点使K1线圈得电动机正转，KM1自锁常开点闭合常团点断开，此时按动SB3可以接启动反转。 当启动SB3时电源通过SB2使2得电常闭点闭合自锁常团点断开，此时按动SB2可直接启动。 实现了直接切换正发转的自的。

1764-MM1 

Allen Bradley 1775-S4B I/0 Scanner-Message Handling

ALLEN BRADLEY 1772-SD2 REMOTE I/O SCANNER DIST PANEL

Allen Bradley 1771-SDN/C Devicenet Scanner Module C01

ALLEN BRADLEY 3' PROCESSOR SCANNER CABLE 1772-CS

ALLEN BRADLEY BAR CODE Scanner 2755-HDG-4X Used

Allen Bradley 1747-SDN Ser. C DeviceNet Scanner Module

Allen Bradley 1775-S5 I/O Scanner Adapter 1775S5

ALLEN BRADLEY 42RA1-1007 PHOTOSWITCH SCANNER

Allen-Bradley - 1747-SN - SLC 500 Remote I/O Scanner

Allen Bradley 1747-SN Remote I/O Scanner Module *Test*

Allen-Bradley 1769-SDN Device Net Scanner *^*NIBFS*^*

ALLEN BRADLEY SCANNER HEAD 2755-L7RD SER D

Allen Bradley 1769-SDN Device Net Scanner Module

ALLEN BRADLEY SCANNER HEAD 2755-L9RD SER D

Allen-Bradley 2755-LD4B1 Barcode Scanner

Allen Bradley 1747-SN Remote I/O Scanner

1 ALLEN BRADLEY 1771-SN B SUB I/O SCANNER MODULE (2565)

1 NEW ALLEN BRADLEY 1771SDN 2 POINT SCANNER MODULE NIB

NEW ALLEN BRADLEY 1756DHRIO 2 POINT SCANNER MODULE NIB

ALLEN BRADLEY MINI BAR CODE SCANNER ~2755-L6R8~ NIFOB

ALLEN BRADLEY HANDHELD BARCODE SCANNER~ 2755-HDG-4 ~NEW

Allen Bradley 2755-EZ3 w/ 2755-G3 Barcode Scanner.(331

ALLEN BRADLEY HAND HELD BAR CODE SCANNER~2755-G3?-D~

ALLEN BRADLEY BAR CODE SCANNER CATALOG #2755 L7RC

Allen Bradley 2755-NB40 | BarCode Scanner Comm Module

Allen Bradley 1747-SN /B | Scanner Module 

Allen Bradley 1771-SN I/O Scanner Module

ALLEN BRADLEY 1775-S4B I/O SCANNER USED 

Allen Bradley 1772-SD2 | Remote Scanner *NIB*

ALLEN BRADLEY 1747-DSN "NOB" 1747DSN SCANNER CARD