User's Manual

A9240-A-004-485 User Manual
3.4 Reader Address Switch
The reader address switch on the rear panel is used to configure A9240-A-004-485 RFID
reader’s RS485 network address. No device on the same RS-485 network should be
using the same address. Otherwise, data collision will result and no device on the RS-485
network will be able to communicate with the remote host controller. The definition of the
reader address switch setting is shown in the table below:
SW1
(MSB)
SW2 SW3 SW4 SW5 SW6 SW7 SW8
(LSB)
Reader Address
(HEX / DEC)
ON ON ON ON ON ON ON OFF 0x01 / 1
ON ON ON ON ON ON OFF ON 0x02 / 2
ON ON ON ON ON ON OFF OFF 0x03 / 3
ON ON ON ON ON OFF ON ON 0x04 / 4
ON ON ON ON ON OFF ON OFF 0x05 / 5
ON ON ON ON ON OFF OFF ON 0x06 / 6
．
．
．
．
．
．
．
．
．
．
．
．
．
．
．
．
．
．
OFF OFF OFF OFF OFF OFF OFF ON 0xFE / 254
OFF OFF OFF OFF OFF OFF OFF OFF 0xFF / 255
Note:
1. OFF state: Switch at up position.
2. ON state: Switch at down position.
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