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Download ML-TRIM User Manual (806KB PDF)
Transcript
Isolated RS232 to RS485 Converter TXD/ COM RXD — TXD/ RXD + J1 1 T/R+ 2 T/R– 3 COM J1 2 ML–Trim #1 ML–Trim #2 1 T/R+ 2 T/R– 3 COM 1 1. Shield only at one end of the cable. 2. If you need to terminate the communication line, then terminate it at the unit which is the furthest away from the converter. A 100 ohm, 1/2 Watt resistor will usually terminate successfully. Refer to EIA Standard RS485A, for more information. Figure 2-17 ML–Trim Serial Communications Connections 2 - 16
