Analogue Inputs And Spanning - Zener MSC-3 Instruction Manual

MSC-3 Start Up

Analogue Inputs and Spanning

The MSC-3 analogue inputs have been designed with the following features:
• Configurable voltage (V) or current (mA) input configuration.
• Easy to configure spanning and translation.
• High and Low compare logic outputs with adjustable thresholds
• The diagram below illustrates the design:
COM
Analogue
Vref
IN+
Circuitry
IN-
Reference is clamped beyond the range of G023 and G024.
Key configuration parameters are:
• G020 AN IN mode
• G021 MIN input and G022 MAX input
• G023 REF @MIN in and G024 REF @MAX in
• G025 HiCMP Level and G026 LoCMP Level
56
G020 AN IN mode
Input
Output (%)
G024 REF @MAX in
G023 REF @MIN in
G021 MIN Input
G025 HiCMP Level
G025 LoCMP Level
G022 MAX Input
IM00120 IM00120
+
>Hi AN IN
-
>Lo AN IN
+
-
> AN IN
(% reference)