Parameterization; Volume Comparison - Honeywell EK280 Applications Manual

EK280

4.4.2 Parameterization

Parameterization is here described with reference to the EK280 keyboard and the above mentioned
example.
Alternatively, parametrization can be carried out using the enSuite program. The paths which are
subsequently described can be found in enSuite under
a) Set input mode of high-frequency pulse generator (input 2):
− Press the key  until "Md.I2" is displayed.
− Press the ENTER key. ⇒ The set value flashes.
− Repeatedly press one of the  or  arrow keys until the text
− Press the ENTER key to confirm the value setting. Input can be canceled using the ESC key.
b) Set pc value of high-frequency pulse generator (input 2):
− Press the key  until "cp.I2" is displayed.
− Press the ENTER key. ⇒ The set value flashes.
− Move the cursor with the  or  arrow keys to the digits and update them with the  or  arrow
keys to the cp value of the pulse generator connected to input 2.
− Press the ENTER key to confirm the value setting. Input can be canceled using the ESC key.
c) Set parameter for low-frequency pulse generator (input 1):
− Set the parameters for the low-frequency pulse generator on input 1 as described in  chapter
(p. 22).
d) Setting automatic conversion:
− Move the cursor to tab "Serv." and to the comparison function mode "MdCmp" via the following path:
Serv. Volume

− Press the ENTER key. ⇒ The actual parameterized value flashes.
− Repeatedly press one of the  or  arrow keys until the text
− Press the ENTER key to confirm the set value. It is possible to abort the entry by pressing the ESC
key.
− Furthermore, set the source for the fail-safe input (NF input) to "Sc1Vm" to
− And the priority source (HF transmitter) "Sc2Vm" to "I2=comp.inp.".

4.5 Volume comparison

In contrast to a pulse comparison, different technology pulse encoders (e.g. LF vs. HF) can also be
compared during a volume comparison. As a result, the pulse generators can monitor one another and
establish damage to a pulse generator and/or for example, the impeller of a turbine wheel counter.
This procedure was implemented according to the  specification "prEN 12405-3: 2013, chapter 6.8.1".
Here, the method is described using a low-frequency pulse generator at input 1 and a high-frequency pulse
generator at input 2.
Starting with device version V2.30, there is volume comparison as well as the "HF-LF switchover" function.
This can be set under the
− 0 = no comparison.
− 1 = HF-LF switching.
Application Manual
Actual volume Volume comparison
 
"MdCmp" menu in the "Actual volume"
"Parameterize online" > "Parameters".
"HF pulses" flashes.
MdCmp

"HF-LF sw.ovr" flashes.
area:
28
4.1
"I1=Count. inp".