I've been playing with the modbus plugin to read the values from a
Schneider Electric PowerLogic EGX100. I'm using Debian testing which
has collectd 5.1.
First tries resulted in segmentation faults when I would enable the
modbus plugin. Some searches later, I found other people having the
same problem and ended up applying their patches to src/modbus.c.
Just in case, my modbus.c file can be found here:
http://gerry.safehex.be/tmp/modbus.c-patch
I recompiled the package and it no longer segfaults, but it still
doesn't work properly.
The values in the rrd files seem to be completely wrong, it says I'm
using -17.9A and my power consumption is 9GWh. Since there isn't much
to configure in collectd, I don't know what the problem might be. Does
anyone have a pointer as to what I should look into?
This is the relevant part of my config:
LoadPlugin modbus
<Plugin modbus>
<Data "current-phase1">
RegisterBase 3000
RegisterType float
Type current
Instance "phase1"
</Data>
<Data "current-phase2">
RegisterBase 3002
RegisterType float
Type current
Instance "phase2"
</Data>
<Data "current-phase3">
RegisterBase 3004
RegisterType float
Type current
Instance "phase3"
</Data>
<Data "voltage-l1">
RegisterBase 3028
RegisterType float
Type voltage
Instance "voltagel1"
</Data>
<Data "voltage-l2">
RegisterBase 3030
RegisterType float
Type voltage
Instance "voltagel2"
</Data>
<Data "voltage-l3">
RegisterBase 3032
RegisterType float
Type voltage
Instance "voltagel3"
</Data>
<Data "power-totalactive">
RegisterBase 3060
RegisterType float
Type power
Instance "totalactive"
</Data>
<Data "power-totalreactive">
RegisterBase 3068
RegisterType float
Type power
Instance "totalreactive"
</Data>
<Data "power-totalapparent">
RegisterBase 3076
RegisterType float
Type power
Instance "totalapparent"
</Data>
<Host "hq.tigron.net">
Address "10.2.0.99"
Port "502"
Interval 10
<Slave 2>
Collect "frequency"
Collect "current-phase1"
Collect "current-phase2"
Collect "current-phase3"
Collect "voltage-l1"
Collect "voltage-l2"
Collect "voltage-l3"
Collect "power-totalactive"
Collect "power-totalreactive"
Collect "power-totalapparent"
</Slave>
</Host>
</Plugin>
Thanks,
Gerry.
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