Hydac HMG 3010 User Manual download pdf (Page 27)

HMG 3010 Page 27

Edition 11/2011 - V04 R01 Part No.: 669855

If you have selected counter pulses as the

input signal, and have returned to the normal

measurement value display, you will find on

the far right of the function bar a symbol, as

shown in the screenshot. The counter is cur-

rently stopped. If you select the symbol us-

ing the arrow key and confirm with OK, the

counter is reset and will start again. To stop

it, select the symbol again using the arrow

keys and confirm again with OK.

In addition to the input channels (channels A

to channel J) there are also the virtual chan-

nels Channel K and Channel L available.

These two channels can be used to display a

differential between 2 input channels, or to

calculate a power.

When setting to Differential the HMG 3010

calculates for channel K the difference be-

tween channel A/channel B and for channel L

the difference between channel C/channel D.

To measure the differential, sensors with the

same measurement range, unit (of meas-

urement) and number of decimal places must

be used on the input channels. These pa-

rameters are then automatically adapted to

channel K or L, i.e. no further settings are

necessary.

If you would like to measure Power (P*Q),

via channel K, the pressure must be meas-

ured at channel A and the flow rate must be

measured at channel B. To measure the

power via channel L you have to measure the

pressure at channel C and the flow rate at

channel D. You can then select kW, PS or

hp as the unit (of measurement).

Entering the upper measurement range

merely limits the scale of the Y-axis in the

graphical display.

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