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BOSCHE Weighing Systems
Version 4.0
2024-03-27
3 | Transport, installation, connection Weighing Terminal EWI / MWI
3.7 Interfaces
3.7.1 RS 232
The weighing terminal is connected via this interface (COM 1) to a PC or a
printer, it prints the weighing results along with the selected weighing unit.
5-pin socket connection for interface RS232
Pin assignment socket (B-coded):
1. NX
2. TxD (Transmitted Data from PC)
3. NC
4. RxD (Received Data from PC)
5. GND (Ground)
9-pin Sub-D plug for serial interface RS 232
Pin assignment:
2. RXD (Data input)
3. TXD (Data output)
5. GND (Ground)
3.7.2 LAN- interface
The LAN interface is used to exchange and query data in a network.
Pin assignment:
1. NC
2. NC
3. NC
4. TX -
5. RX+
6. TX+
7. NC
8. RX-
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