描述
外部DC24V电源若输入回路有DC24V供电的接近开关、光电开关等，而PLC上DC24V电源容量不够时，要从外部提供DC24V电源；但该电源的“—”端不要与PLC的DC24V的“—”端以及“COM”端相连，否则会影响PLC的运行。
TRICONEX TRICON 4107 EICM
Dresser Relief Valve 1905RC-2-34-RF-SS 6″
ABB Balancing Unit 3HAC4216-1, TYPE A
REFURBISHED BAUER REDUCER AG93-12/SN
Clarkson KGD 4″ knife gate valve KGD4-MH-D13E1B9N2HZ
Fybroc Centrifugal Pump 1600 Series 2 x 3 x 10
Fybroc Centrifugal Pump 1600 Series 2 x 3 x 10
Badger Meter Flow Probe PMT-IP
GE Multilin Motor Management Relay 269 PLUS
NEW TRICONEX 4409 SMM HONEYWELL MODULE NIB
FYBROC 1600, 2 X 3 X 10 CHEMICAL RESISTANT PUMP
Drexelbrook Level Probe Series 506-6000 700-0207-002-01
Allen-Bradley PanelView 1000, 2711-T10C8
