Alaxa rfxmeter open cable

Post by **Kroonen** » Sat Dec 06, 2008 6:14 pm

Hi,

How do I connect de alaxa water meter to the rfxmeter with de open end cable. Two wired from the alaxa, two from the rfxmeter just connect those 2??? Or also the power??? and where i put the + and where the - from power?

regards richard

Post by **Digit** » Sat Dec 06, 2008 6:51 pm

Just connect the pulse cable from the Alaxa to the open end cable that goes to the RFX<b>Pulse</b> module. No external power needed. No + and - cause the Alaxa acts as a switch that closes for a short time and opens again. For the rest, just follow the RFXCOM manual.

Post by **Kroonen** » Sun Dec 07, 2008 4:56 pm

Well I connected just the alaxa into the rfxmeter pulse module, but no led blinks when I use water.

Does the rfxpulse produce any power, because the alaxa needs power I thought.

Post by **Bwired** » Sun Dec 07, 2008 5:25 pm

did you read the documentation http://www.rfxcom.com/documents/RFXPulse%20module.pdf

<i>Connect the relay (pulse) contact to pin 2 and 3 of the jack connector.
Adjust the potentiometer P1 (Trigger Level) at the middle position (about 12.5 turns from each end). There are 25 turn potentiometers used. At the end of the 25 turns a small click can be heard. The potentiometer P2 and Pin 1 of the jack connector are not used.
Warning: the relay contact must be free from any voltage!</i>

Post by **Kroonen** » Tue Dec 09, 2008 10:32 pm

Got it working, i needed the copper, instead of the white cable.

It works with heyu pretty simple. Recommended instead of xpl-perl

12/09 21:30:11 rcva func rfxWater : hc L unit 1 Meter 316 ltr (WATER)
12/09 21:30:11 rcva func rfxPower : hc L unit 2 Meter 96.150 kWh (Elec2)