Owner`s manual

M SERIES DAC
BASE UNIT AND MODULE OPERATION
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specific modules. Data commands may be entered repeatedly to get specific event
samples. You may issue a single data command to obtain event samples from
multiple channels. Data commands must be used to obtain event samples when using
Command Reporting Method.
PDI data commands are sent through a host module using the following procedure:
1. Select the PDI from the host module by sending a select sequence
which consists of the port select code ($BT - default), the desired
module number (2 to 16), and a <cr> (0D Hex). For example, to
select an PDI Module located in slot 15 using the default port select
code, send $BT15<cr>.
2. Once the PDI is selected, it will go into Command Mode
and allow you to send data commands. The PDI data
commands begin with two capital letters designating the
specific command and are terminated with a <cr>. Most
data commands also require a number between the
command letters and <cr>. This number is typically the
desired channel(s) for the data command. If you have a
requirement to send the data command to multiple
channels simultaneously, you may use one of the
following formats as shown for the SA (sample)
command:
SA1,2,3,4,5,6,7,8<cr> Take a single sample for Ports 1-8
SA1-8<cr> Take a single sample for Ports 1-8
SA/0<cr> Take a single sample for Ports 1-8
SA1,2,4-8<cr> Take a single sample for Ports 1, 3, 4, 5, 6, 7, and 8
3. After you have sent the desired data commands to the PDI module,
you may disconnect by sending $BT<cr>. You may disconnect
from the PDI and select a different module or the base unit by
sending $BTn<cr.
IMPORTANT: If the PDI is operating in self reporting mode (i.e.,
Immediate or Schedule Reporting Method) and a host device issues a data
command, the host device must disconnect by sending the Port Select Code
and <cr> before the PDI will resume sending event samples to the designated
host module.
CLEAR EVENT BUFFER COMMAND