Specifications

Analog Input Modules
31007715 6/2008 141
Averaging You may apply a filter that will smooth the values of the analog inputs reported by
the STB ACI 8320. The Advantys configuration software allows you to average over
a specified number of samples. Averaging is applied on a per-channel basis.
By default, the number samples averaged is one (no averaging); you may have a
filtering average over up to 80 samples. To configure an averaging sample:
This parameter is represented as an unsigned 8-bit number. To access this
parameter using RTP, write the following values to the RTP request block:
Channel
Operation
(Enable/Disable)
The STB ACI 8320 has an input channel enable/disable on a per-channel basis.
You can disable the unused inputs. By default, all inputs are enabled upon auto
configuration. When you disable a channel, its input is set to minimum input current.
The status byte and channel data return all zeros when the channel is disabled, and
the fault indicator does not blink.
z channel enable (default)
z channel disable
9 Save the new configuration parameters. When the configuration is downloaded to
the physical island, the new offset and
maximum count parameters will be applied
to the analog input channel.
Step Action Result
Step Action Result
1 Double click the STB ACI 8320 module
you want to configure in the island editor.
The selected STB ACI 8320 module opens
in the software module editor.
2 In the Value column of the Averaging
row, enter a decimal or hexadecimal
value in the range 1 to 80 (50 H).
When you select the Averaging value, the
max/min values of the range appear at the
bottom of the module editor screen.
Length 1
Index (low byte) 0x02
Index (high byte) 0x24
Sub-index 1 for channel 1
2 for channel 2
3 for channel 3
4 for channel 4
Data Byte 1 1 to 80
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com