3500/20由山西润盛进出口有限责任公司销售
电编码器的输出脉冲信号有+5V和+24V(或者18V),而多数S7-200CPU的输入端的有效信号是+24V(PNP接法时),只有CPU224XP型的I0.3、I0.4和I0.5三个输入端子既可以接入+5V的信号,也可以接入+24V的信号。因此,在选用光电编码器时要注意*不要选用+5V输出的光电编码器。图8-4中的编码器是PNP型输出,这一点也非常重要,涉及到程序的初始化,在选型时要注意。此外,编码器的A-端子要与PLC的1M短接。否则不能形成回路。
MTS LEVEL PLUS M SERIES LEVEL PROBE MRA1A1E14D0U020?00E M series 20in
2" NPT Burkert Angle Seat PILOT PISTON AIR ACTUATED Valve 2000 BZ NC
PSYTRONICS P4803D 812-SP
TRANSIENT VOLTAGE SURGE SUPPRESSOR, 480V, 3-PHASE
AGIE EDM MACHINE PCB RELAY BOARD 620 682.5 MJG0222A
Foxboro D3001YR Control Circuit Board 6" x 8.5"
Foxboro F0106JJC Control Circuit Board 6" x 8.5"
XYCOM XVME-201 DIGITAL I/O CONTROLLER CARD PANDUIT
MICAFIL DRUCK-NR HLF523463 BEST-NR HLF523472R1 KOMPONENTENSEIT?E
MICAFIL DRUCK-NR HLF529123P1F BEST-NR HLF529132R1 LOTSEITE KOMPONENTENSEIT?E
INGERSOLL-RAND 93961712 MCM INTERFACE BOARD AUTOMATED PRODUCTION SYSTEMS