Motorola V186 User Manual - Page 36
I/O Legacy Resolution Parameter - In systems with both ACE3600 RTUs
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Analog Input Modules The AI Module Configuration includes: 50/60 Hz Filtering - This parameter enables the user to configure the module to use 50 or 60 Hz filter on all inputs. AI Filter (Smoothing) - This parameter enables the user to configure the level smoothing (averaging) on all inputs. It can be set to 1, 2, 4, 8, 16, 32, 64,128 samples. Change Of State (COS) Delta - This parameter sets a delta value for each input. This enables the user application program to get an indication when the input value change is more than ± delta value. Input Range - This parameter sets the input overflow and underflow LEDs limits (refer to AI Module value representation below). In the current input modules, the ranges that can be selected are: ±20 mA (default) and 4-20 mA. In voltage input modules, the ranges that can be selected are ± 5V (default), 0-5 V and 1-5 V. "Keep Last Value" (KLV) and "Predefined Value" (PDV) - Each input can be configured to KLV or to a PDV. This value is shown to the user application program in the event of AI module failure. The predefined value can also be used during normal operation to force a value that masks the actual input value. In this case the user program will get the PDV instead of the actual input value. I/O Legacy Resolution Parameter - In systems with both ACE3600 RTUs and legacy (MOSCAD/MOSCAD-L) RTUs, some MOSCAD/MOSCAD-L applications can be upgraded to ACE3600 without modifying the references to analog values in the applications ('C' or ladder). The I/O Legacy Resolution STS advanced parameter sets the Analog I/O bit resolution to either Actual (ACE3600) or Legacy (MOSCAD/MOSCAD-L). Parameter Selection 50/60 Hz Filtering AI Filter (Smoothing) Input Range COS Delta 50/60 1/2/4/8/16/32/64/128 (x10 mS) Current: ±20 mA/ 4-20 mA Voltage: ±5 V/0-5V/ 1-5V value KLV & PDV KLV/PDV PDV=value Mask No /Yes Default setup 50 Hz 32 Current: ±20 mA Voltage: ±5 V 0 (disabled) KLV No Per Module/ Input Module Module Module Parameter Setup location STS Site configuration STS Site configuration STS Site configuration Input Input Input Application Programmer I/O link table Application Programmer I/O link table Application Programmer I/O link table 32