LOGIC SCANNER, PCI HALF-SIZE MODULE, 1 POWERLINK (V1/V2) INTERFACE, MANAGING OR CONTROLLED NODE, INTEGRATED 2-PORT HUB, RING REDUNDANCY FUNCTION, 1 MB SRAM (AUTOMATION RUNTIME)

Siemens ZN-31U
INPUT MODULE, SYSTEM 3, DUAL CONTACT ZONE MODULE, 2 RED LED ALARM LAMPS, 2 YELLOW LED TROUBLE LAMPS, NORMAL CURRENT






















