Flintec DAS 72.1 - Manual (Page 50)

C.4.11 Communication setup Commands – AD, CL, BR, DX, OP, LI
NOTE: These settings will only take effect after a power on reset (remember to store the settings using the
WP command before turning the power off.)
AD Device address setup / request
Setting the device address to 0 will cause the device to be permanently active, listening and responding to
every command on the bus without the need for an OP command.
Request
Master ( PC / PLC ) sends DAS 72.1 responds Result
AD
¿
A:000 Request: Address 0
AD_49
¿
OK Setting: Address 49
Factory default: Address 0
CL Close Device address n
Master ( PC / PLC ) sends DAS 72.1 responds Result
CL_3
¿
OK Close device 3
BR Request / Setup Baud rate
With this command the following Baud rates can be setup: 9 600, 19 200, 38 400, 57 600 and 115 200
Baud.
Master ( PC / PLC ) sends DAS 72.1 responds Result
BR ¿ B 9600 Request: 9 600 Baud
BR_115200
¿ OK Setting: 115 200 Baud
Factory default: 9600 Baud
In section 2 (page 24) an automatic search and adjusting mode for Baud rate is described. For this the sol-
der pads SW3 must be closed.
DX Half or full duplex communication
With this command the communication can be set to half (DX=0) or full duplex (DX=1).
Master ( PC / PLC ) sends DAS 72.1 responds Result
DX
¿
X:000 Request: DX=0 half-duplex
DX_1
¿
OK Setting: DX=1 full-duplex
Half duplex communication can be used for 2 wire RS485 communication.
Note: The auto transmit commands SG, SN and SW will only work if full duplex communication (DX=1) is
selected.
Factory default: DX=0 (half duplex)
Page 50 Manual DAS 72.1