Siemens HydroRanger 200 HMI - Page 149

Operating
7.12 Open Channel Monitoring (OCM)
HydroRanger 200 HMI
Operating Instructions, 06/2018, A5E36281317-AC
147
Parameter
Index
Mode
Primary Measuring Device
(2.13.2.) (Page 240)
Global Exponential devices
Flow exponent (2.13.4.1.)
(Page 241)
Global
Weir type
Value
1
V-notch Weir
2.50
Suppressed Rectangular Weir
1.50
Cipolletti weir or trapezoidal
Sutro or proportional
1.00
Maximum Head (2.13.4.2.)
(Page 243)
Global Maximum Head
Maximum Flow (2.13.4.3.)
(Page 243)
Global Maximum Flow
Flow Time Units (2.13.4.4.)
(Page 244)
Global Time Units
Range Extension (2.2.7.)
(Page 172)
Global Range Extension
1
Values are samples only. Consult weir manufacturer’s documentation for correct flow
exponent.
Non-applicable weir profiles
Contracted
regular
Compound
Poebing
Approximate
exponential
Flows through these weirs can be measured using Primary Measuring Device (2.13.2.)
(Page 240) set to Universal Linear Flow Calculation or Universal Curved Flow Calculation.
For more information, see Universal calculation support (Page 151).