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What is maximum cable length and Slaves allowed on Serial Ports of Modicon M218 Controller.

1. The maximum cable length on serial link port1 of Modicon M218 controller is 15m and maximum 31 Slaves on RS485 network
   without repeater and maximum 247 Slaves with repeater.
 
 
2. The maximum cable length on serial link port2 of Modicon M218 controller is 200m and maximum 31 Slaves on RS485 network
   without repeater and maximum 247 Slaves with repeater.
 
   Refer to attached document for serial link port1 and Port2 of Modicon M218 controller.
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