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SIPLUS S7-1500CM PtP RS422/485 -40...+70 °C Start-up -25 °C with conformal coating based on 6ES7540-1AB00-0AA0 . Communication module for Serial connection RS422, RS485 Freeport, 3964 (R), USS, 19200 Kbit/s, 15-Pin D-sub socket

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