5X00121G01 WESTINGHOUSE 二极管

A-B 1756-A13
SIEMENS 6ES7322-1HH01-0AA0
A-B 1756-OF4
A-B 1756-OF4
YASKAWA SGMAH-04AAA61D-OY
SIEMENS 500-5056
A-B 1771-ASB
SIEMENS 6ES7124-1GA00-0AB0
A-B 1756-PA75R
Bently Nevada 125720-01
Schneider 140CPS11420
Bently Nevada 125720-01
A-B 1756-PA75R
Cutler-Hammer CE15KN3
ABB NTAC-02
Cutler-Hammer CE15KN3
schneider 140NOE77101
A-B 1746-OB32E
A-B 1756-DNB
施耐德 140DAI75300

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Description

负载断电时会对PLC的输出造成浪涌电流的冲击,为此,对直流感性负载应在其旁边并接续流二极管,对交流感性负载应并接浪涌吸收电 路,可有效保护PLC。当两个物理量的输出在PLC内部已进行软件互锁后,在PLC的外部也应进行互锁,以加强系统的可靠性。

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