AutoLab TF Dispenser Technical Manual – Revision 5
AutoLab TF dispensers Technical Manual TFTMTF / Rev 5.0 / 24
th
May 2006 Page 45 of 150
2-2-10 232 to 485 Adapter
232 to 485 adapter is a signal transform module. The device is used to transform the RS232
signal to RS485 signal for LA50B CPU module.
DC24V INPUT
Supply power to the
CN1（RS232 INPUT）
Connect to the COM port of PC
RS485 OUTPUT
Connect to the RS485 input port of LA50B CPU module
PWR LED
Power LED.
TXD LED
Lights up when data is transferring.
RXD LED
Lights up when data is receiving.
If the 232 to 485 adaptor is powerless, only RXD light on adaptor will flash and PWR and TXD
light will be off.
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