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2-6 OMR-6520
2.2. Setup
Objective of Setup
In normal condition, it is not necessary to setup the OMR-6520. The default configuration of this
communication module is 9600 bps and data format of 8 data bits with 1 start bit, 1 stop bit, and no parity
check. Note that the data format is reserved to be compatible with other brand‘s communication port; it should
not be modified if only OMR is used in a system. The baud rate can be configured according applications’
requirement.
Setup Equipments
Only screwdriver is used to open the case. Software, power supply, and wiring are not necessary.
Setup Procedure
Only hardware switch setting can be setup in OMR-6520. The user can set the speed of the serial interface
(RS-232 and RS-422/RS-485), and the serial data format. The speed and the data format on the whole RS-485
network must be identity otherwise the communication will be not correct.
To setup the OMR-6520, use the screwdriver to open the case, then change the switch setting. The new setting
is available after power on. The case must be put back and locked carefully. Note that do not scratch the
surface of the circuit while setting up, otherwise the surface coating or even the circuits will be damaged.
Default Setting
• 9600 baud rate
• 10 bits series data format : one start bit, eight data bits, one stop bit, no parity check
SW1 Setting
1 2 3 4 5 6 7 Baud Rate
ON OFF OFF OFF OFF OFF OFF RTS Control
OFF ON OFF OFF OFF OFF OFF 1200 or 115.2k
1
bps
OFF OFF ON OFF OFF OFF OFF 2400 bps
OFF OFF OFF ON OFF OFF OFF 4800 bps
OFF OFF OFF OFF ON OFF OFF 9600 bps
OFF OFF OFF OFF OFF ON OFF 19200 bps
OFF OFF OFF OFF OFF OFF ON 38400 bps
Note 1: 115.2kbps is supported by version A1.2 or later.