描述
抗干扰与外部互锁当PLC输出带感性负载，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。
Expedited shipping available
Brocade Silkworm 3250 Switch, 8Port 8 SFPs
Enlarge
Brocade SilkWorm 3200 8 Port 1Gbit/s 2Gbit/s FC SWITCH
Brocade SilkWorm 24000 16-Port Blade 60-1002121-04
One-day shipping available
Brocade Silkworm 12000 250-006-900 Br-12000-0101 + Gbic
Expedited shipping available
Brocade SilkWorm 3250 Fabric Switch
New Brocade Silkworm 12000 16 Port XBR-12000-0101
Brocade Silkworm 3250 EMC DS-8B3 8-Port Fibre Switch 2G
Brocade SilkWorm 24000 16-Port Blade 60-0002121-05
One-day shipping available
SYSTEM BOARD BROCADE SILKWORM 2400 SWITCH 40-0000004-06
