SIPLUS S7-1500 CM PTP RS232 HF based on 6ES7541-1AD00-0AB0 with conformal coating – -40ÔǪ+70 -¦C – start up -25 -¦C – communications module for serial connection RS-232 – Freeport – 3964 (R) – USS – MODBUS RTU master – slave – 115200 Kbit/s – 9-pin D-sub plug