| Experion HS R530.1 User Assistance

# Math variable or calculated value group

## Devices supported

The following table lists the devices that support the Math Variable or Calculated Value group, and their formats.

Device | Supported Address Format | Range
--- | --- | ---
DR4500 | MATH_VAR [n] [param] | [n] = 1 to 1
DPR180 | MATH_VAR [n] [param] | [n] = 1 to 24
DPR250 | MATH_VAR [n] [param] | [n] = 1 to 32
UDC3300 | MATH_VAR [n] [param] | [n] = 1 to 2
UMC800 | MATH_VAR [n] [param] | [n] = 1 to 150
HC900 Hybrid controller. | MATH_VAR [n] [param] | [n] = 1 to 600
HC900 | MATH_VARX [n] [param] | [n] = 601 to 2048
TrendView | MATH_VAR [n] [param] | [n] = 1 to 64

## Parameters

The following table lists the details of the Math Variable or Calculated Value Group parameters.

Param | Address Line | Param Format | Access | Devices
--- | --- | --- | --- | ---
Math or Calculated Value | MATH_VAR [n] VALUE1 The default Parameter if only 'MATH_VAR [n]' is entered. | Floating Point | RO | DR4500, DPR180, DPR250, UDC3300, TV2 Applies to TrendView or X-Series 'pen' values.
Math or Calculated Value | MATH_VAR [n] VALUE | Floating Point | RW | UMC8003 Applies to UMC800, HC900 'variable' values., HC900
Math or Calculated Value | MATH_VARX [n] VALUE | Floating Point | RW | HC9004 Points must be built using a controller that uses a data table of Holding Registers Upper.,