User's Manual

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3.2. Configuration
All the slaves should be in the status of waiting for connection either in Mode 2 or Mode 3 and the
master unit tries to connect to the slave units. The master unit needs to be configured to work in a
multiple connection mode using AT+MULTI,x command, which makes master reboots after execution.
Table 4-1 AT+MULTI,x
AT+MULTI,0
Single Connection Mode
AT+MULTI,1
Multi-Drop Mode
AT+MULTI,2
Node Switching Mode
Table 4-2 Configuration of a Multiple Connection Mode
Manual Connection Automatic Connection
ATD000195000001
CONNECT000195000001
+++
OK
ATD000195000002
CONNECT000195000002
+++
OK
ATD000195000003
CONNECT000195000003
+++
OK
ATD000195000004
CONNECT000195000004
+++
ATS46=000195000001
OK
ATS54=000195000002
OK
ATS55=000195000003
OK
ATS56=000195000004
OK
AT+MULTI,1 or AT+MULTI,2
OK
AT+BTMODE,1
After rebooted automatically
master tries to connect to
slaves
After input the BD addresses of the slave units into 4 S-registers S46, S54, S55 and S56 and then set
operation mode as MODE1, users can use multiple connection function. If S-registers have available
slaves’ address, AUTO CONNECT message will be displayed following corresponding TASK.
TASK1 OK – AUTO CONNECT
TASK2 OK
TASK3 OK – AUTO CONNECT
TASK4 OK