The 40-point Micro has three removable doors. The first is for battery use, and the second two doors can be used for the option module, which could be serial (IC200USB001 or IC200USB002) or Ethernet (IC200UEM001).
VersaMax Micro 20 point PLC,(12) 24VDC In, (8) Relay Out, 24VDC Power Supply. (1) serial port and (1)optional communication port. Requires Machine Edition 5.7 or higher. Battery (IC200ACC414) is required for data retention. Battery not included.
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