On 13/10/12 11:06, Fabien Wernli wrote:
Are you sure the device is sending correct values? We've got an EGX400, and
it's been a real PITA ever since we've comissioned it. We ended up writing
our own plugin retrieving the data via ftp/http from the box. Then again,
I've never used "float" type for registers, but I guess you've already
played with that, as the EGX100 user guide seems rather sparse on this
matter.
Hi Fabien,
Thanks for your reply.
Turns out my config wasn't okay. The EGX's manual states that for
example register 3000 holds the value for the current going through l1,
so I assumed 3000 and 3001 were used to contain the float. Turns out it
is actually 2999 and 3000.
So this works:
<Data "current-phase1">
RegisterBase 2999
RegisterType float
Type current
Instance "phase1"
</Data>
Whereas this only produces garbage:
<Data "current-phase1">
RegisterBase 3000
RegisterType float
Type current
Instance "phase1"
</Data>
Also, regarding the patch I had to apply in order to have modbus
working at all; is that already included in a newer version?
Oh by the way, might be useful for your EGX400; after updating the
EGX100's firmware to 3.0 its SNMP seems to have become a lot more
responsive and might actually contain the data you need as well. Might
be a better solution instead of parsing the HTTP output? :)
Gerry.
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