Specifications

Channel Master Operation Manual
P/N 95B-6001-00 (February 2006) page 63
10.5 Index Velocity and Discharge Commands
The Index Velocity and Discharge Commands allow the user to input data
and scale outputs to obtain average velocity, stage, cross-sectional area, dis-
charge, and integrated volume directly from the Channel Master either via
serial RS-232/RS-422 or via SDI-12.
Rather than describe the commands in alphabetic order, it will be clearer to
describe them by functional grouping and logical order of their application.
The commands can be grouped into three distinct groups:
• See “Channel Description Commands,” page 64 (IA, IC, ID,
IE, IP, and IW)
• See “Computation Commands,” page 67 (IB, IS, and IV)
• See “Output Commands,” page 69 (IF, IO, IT, IU, and IZ)
Command Summary
If you send ‘I?’ to the Channel Master you will receive back:
>I?
Available Commands:
IA 1.000, 1.000, 1.000 - Area Rating Constants (-10000000 to 10000000)
IB 1 -------------------- Bank 0=left,1=right
IC 1 -------------------- Channel 0=cir,1=tra,2=rec,3=arb,4=rated
ID 1.000 -------------- Diameter (0.5 to 100m)
IE 0.000, 0.000 ---- Xdcr Elev.(0 to 5000m), Bot Elev. (-100 to 5000m)
IF 10 ------------------ Flag Counter (1 to 100)
IO 0 -------------------- Q Calc. 0=off, 1=on
IP ---------------------- XY pairs IP0=help
IS ---------------------- Select Velocity Bins IS0=help
IT 0, 0 -------------- Output Exponent Dis,Vol (0 to 6)
IU 1, 1, 1, 1, 1 -- Output Units Vel,Dis,Vol,Area,Stage 0=help
IV 1.000, 1.000, 1.000 V. Equation Const. (-5to5,-5to5,-10to10)
IW 1.000, 1.000 ------ BotWidth (0 to 500 m), SideSlope (run/rise)
IZ +0, -329.95 ------ ------- ZeRo Volume Accumulator
I? ---------------------- Display I-Command Menu