Operation
14
HPC50 Series Operation Manual
SOURCING CURRENT
X
mA Sink (External Loop Power Supply)
1
Select
mA Out
.
2
Select the appropriate range (0-20 or 4-20) if you will be sourcing based on the % of the scale.
3
Choose either
mA
(to output a specific mA signal),
%
(to output based on the % of the mA range) , or
% flow
(to output based on the % of the flow).
4
Connect the HPC50 using the appropriate test lead connections.
5
Enter the desired current in mA, %, or % flow to sink.
X
mA Step
The HPC50 has the ability to automatically or manually step through the mA range at predefined intervals.
1
Select
mA Out
.
2
Select the appropriate mA range (0-20, 4-20).
3
Press the
(
function
)
button for
Step
.
4
Enter the 0 and 100% mA points. For example, if you’re sourcing to a 4-20 mA loop, enter 4 for the 0% point and 20 for the 100% point.
5
Choose the step size from 10%, 20%, or 25%. This is the percent of the mA range that will be increased with each step.
6
Enter the time between each step you would like to use.
7
Press the
(
function
)
button for
Auto
, and the HPC50 will automatically start the step process.
8
Press the
(
function
)
button for
back
when finished. Or, if you would like to pause the step function and increase manually, press
Stop
. If you press
Stop
,
new function keys
-Step
(decreasing a single step) and
+Step
(increasing a single step) are now available.
