User manual

Page 59
EA Elektro-Automatik GmbH
Helmholtzstr. 31-37 • 41747 Viersen
Germany
Fon: +49 2162 / 3785-0
Fax: +49 2162 / 16230
www.elektroautomatik.de
[e-mail]
EL 9000 T Series
► How to save a sequence table (100 sequences) to a USB stick:
1. Do not plug the USB stick yet or remove it.
2. Access the function selection menu of the function generator via MENU -> Function Generator -> Arbitrary
3. Tap on , then . The device will request you to plug the USB stick now.
4. Afterpluggingit,thedevicewilltrytoaccesstheUSBstickandndthefolderHMI_FILESandreadthe
content.IftherearealreadyWAVE_UorWAVE_Ilespresent,theywillbelistedandyoucaneitherselect
one for overwriting with , otherwise select foranewle.
5. Finally save the sequence table with .
3.10.11 Battery test function
The purpose of the battery test function is to discharge various battery types in industrial product tests or labora-
tory applications. With date November, 2016 it is only available via access on the HMI, at least as setup and use
are described below, but can also be achieved in remote control using the arbitrary function generator. The only
disadvantage in remote control are the missing counters of battery capacity (Ah), energy (Wh) and time. But those
can be calculated by custom remote control software when programming a time counter and regularly querying
actual values from the device.
The function is usually applied on the DC input current and can either be selected and run in “Static” (constant
current) or “Dynamic” (pulsed current) mode. In static mode, the settings for power or resistance can also let the
device run the function in constant power (CP) or constant resistance (CR). Like in the normal operation of the
load the set values determine what regulation mode (CC, CP, CR) is resulting on the DC input. If, for example, CP
operation is projected, the set value of current should be set to maximum and resistance mode should be turned
off, so that both don’t interfere. For a projected CR operation it is similar. There current and power should be set
to maximum.
For dynamic mode there is also a power setting, but it cannot be used to run the dynamic battery test function in
pulsed power mode or at least the result would not be as expected. It is recommended to adjust the power values
always according to the test parameters, so it doesn’t interfere with the pulsed current, i. e. dynamic mode.
When discharging with high currents, compared to the nominal battery capacity and in dynamic mode, it may hap-
pen that the battery voltage shortly drops below the U-DV threshold and the test will unintentionally stop. Here it
is recommended to adjust U-DV accordingly.
Graphical depiction of both battery test modes:
U, I
t
Discharge current
Start
U-DV
Stop
U, I
t
Discharge current
Start
U-DV
Stop
Static Dynamic
3.10.11.1 Parameters for static mode
Thefollowingparameterscanbeconguredforthestatic battery test function.
Value Range Description
I 0...Nominal value of I Maximum discharge current in Ampere
P 0...Nominal value of P Maximum discharge power in Watt
R Min....max. nominal value of R MaximumdischargeresistanceinΩ(canbedeactivated-->“OFF”