Operating Voltage = 24V dc Number of Ports = 10 Connector Size = M12 시리즈 = 6ES7 Communication Protocol = Ethernet The Siemens 4 IO-Link high feature connection module has 24VDC operating voltage.ET 200ECO PN IO-Link master 4IO-L+8DI+4DO 24 VDC/1.3A 8xM12 Duplicate assignment Degree of protection IP67