Sewha SI 480E - Rear Panel Connections; Port and Terminal Descriptions

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SI 480E DIN SIZE WEIGHING CONTROLER
3-3 Rear Panel
1.POWER 2.INPUT 3. SERIAL I/F 4.LOAD CELL
1. Power DC IN: 24V (Power : 24V 1A recommended)
2. External Input terminal: Standard tow port (Refer to F-Function F14, F15 to select
desired function of each input terminals )
3. Serial Interface terminal : Stand serial port is RS485
Communication Method
TX+
Terminal
TX-
Terminal
RX+
Terminal
RX-
Terminal
RS – 422(Standard)
TX+
TX-
RX+
RX-
RS – 485(Standard)
Not used
Not used
RTX +
RTX-
RS – 232(Odering spec)
GND
Not used
TX
RX
4. Load cell Input
EXC+
EXC-
SIG+
SIG-
SHIELD
Please check the Comm. and other specification in the label, attached on the cover
plate first, and make connection according to that information.