ADLINK Technology ND-6021, Руководство пользователя

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2-2 Initialization & Installation
Therefore, to configure the brand-new NuDAM before using is
necessary to avoid conflicting address. The baud rate may also be
changed according to user‘s requirements.
The initialization procedures of a brand-new NuDAM are shown in the
following sections.
Default State
The NuDAM modules must be set at Default State when you want to
change the default settings, including the ID address, baud rate,
check-sum status etc. All NuDAM modules have an special pin
labeled as
DEFAULT* . The module will be in Default State if the
DEFAULT* pin is shorted to ground when power ON. Under this
state, the default configuration is set as following:
•
Address ID is 00.
•
Baud rate is 9600 bps.
•
Check-sum disable.
•
Watchdog timer is disable.
Therefore, the configuration of the host and the module can be easily
set identically and initializing a module will be possible no matter
what configuration is set under operating state.
Initialization Equipments
•
Host computer with an RS-232 port.
•
An installed RS-485 module (NuDAM-6520) with 9600 baud rate.
•
The brand new NuDAM module
•
Power supply (+10 to +30 V
DC
) for NuDAM modules
•
Administrating utility software
Initialization Procedure
1. Power off the host computer and the installed NuDAM-6520. Be
sure of the baud rate of the NuDAM-6520 is 9600 bps.
2. Connect a brand new NuDAM module with the RS-485. Set the
module in Default State by shorting the DEFAULT* pin. Refer to
Figure 2.1 for detailed wiring.
3. Power on the host computer.
4. Power on the power supply for NuDAM modules.