Yes - I updated the firmware. Had to use the pre-built SD Card - update does not work without emoncms because of missing files in /home/pi…
The NodeID-Problem is solved now - but ACK is still not working and there is a new problem… The temperature is wrong now - but only when using ACK…
emonhub.log without ACK
33 NEW FRAME : OK 17 84 11 39 12 (-35)
2016-07-25 17:24:12,248 DEBUG RFM2Pi 33 Timestamp : 1469467452.25
2016-07-25 17:24:12,249 DEBUG RFM2Pi 33 From Node : 17
2016-07-25 17:24:12,250 DEBUG RFM2Pi 33 Values : [2900, 3111]
2016-07-25 17:24:12,251 DEBUG RFM2Pi 33 RSSI : -35
2016-07-25 17:24:12,253 INFO RFM2Pi Publishing: emon/17/1 2900
2016-07-25 17:24:12,256 INFO RFM2Pi Publishing: emon/17/2 3111
2016-07-25 17:24:12,258 INFO RFM2Pi Publishing: emon/17/rssi -35
2016-07-25 17:24:12,260 INFO RFM2Pi Publishing: emonhub/rx/17/values 2900,3111
2016-07-25 17:24:12,263 INFO RFM2Pi Publishing: emonhub/rx/17/rssi -35
2016-07-25 17:24:12,266 DEBUG RFM2Pi 33 adding frame to buffer => [1469467452, 17, 2900, 3111, -35]
2016-07-25 17:24:12,267 DEBUG RFM2Pi 33 Sent to channel' : ToEmonCMS
emonhub.log with ACK (Temperature is always 8500 and ACK is not working - but the NodeID is correct...)
2016-07-25 17:26:48,653 DEBUG RFM2Pi 35 NEW FRAME : OK 1 52 33 39 12 (-37)
2016-07-25 17:26:48,655 DEBUG RFM2Pi 35 Timestamp : 1469467608.65
2016-07-25 17:26:48,656 DEBUG RFM2Pi 35 From Node : 1
2016-07-25 17:26:48,657 DEBUG RFM2Pi 35 Values : [8500, 3111]
2016-07-25 17:26:48,658 DEBUG RFM2Pi 35 RSSI : -37
2016-07-25 17:26:48,660 INFO RFM2Pi Publishing: emon/1/1 8500
2016-07-25 17:26:48,662 INFO RFM2Pi Publishing: emon/1/2 3111
2016-07-25 17:26:48,664 INFO RFM2Pi Publishing: emon/1/rssi -37
2016-07-25 17:26:48,666 INFO RFM2Pi Publishing: emonhub/rx/1/values 8500,3111
2016-07-25 17:26:48,668 INFO RFM2Pi Publishing: emonhub/rx/1/rssi -37
2016-07-25 17:26:48,670 DEBUG RFM2Pi 35 adding frame to buffer => [1469467608, 1, 8500, 3111, -37]
2016-07-25 17:26:48,672 DEBUG RFM2Pi 35 Sent to channel' : ToEmonCMS
2016-07-25 17:26:48,774 DEBUG RFM2Pi confirmed sent packet size: -> ack
2016-07-25 17:26:49,178 DEBUG RFM2Pi 36 NEW FRAME : OK 1 52 33 39 12 (-44)
2016-07-25 17:26:49,180 DEBUG RFM2Pi 36 Timestamp : 1469467609.18
2016-07-25 17:26:49,182 DEBUG RFM2Pi 36 From Node : 1
2016-07-25 17:26:49,194 DEBUG RFM2Pi 36 Values : [8500, 3111]
2016-07-25 17:26:49,195 DEBUG RFM2Pi 36 RSSI : -44
2016-07-25 17:26:49,197 INFO RFM2Pi Publishing: emon/1/1 8500
2016-07-25 17:26:49,199 INFO RFM2Pi Publishing: emon/1/2 3111
2016-07-25 17:26:49,201 INFO RFM2Pi Publishing: emon/1/rssi -44
2016-07-25 17:26:49,203 INFO RFM2Pi Publishing: emonhub/rx/1/values 8500,3111
2016-07-25 17:26:49,205 INFO RFM2Pi Publishing: emonhub/rx/1/rssi -44
2016-07-25 17:26:49,208 DEBUG RFM2Pi 36 adding frame to buffer => [1469467609, 1, 8500, 3111, -44]
2016-07-25 17:26:49,209 DEBUG RFM2Pi 36 Sent to channel' : ToEmonCMS
2016-07-25 17:26:49,312 DEBUG RFM2Pi confirmed sent packet size: -> ack
2016-07-25 17:26:54,976 DEBUG RFM2Pi 37 NEW FRAME : OK 1 52 33 39 12 (-50)
2016-07-25 17:26:54,978 DEBUG RFM2Pi 37 Timestamp : 1469467614.98
2016-07-25 17:26:54,979 DEBUG RFM2Pi 37 From Node : 1
2016-07-25 17:26:54,981 DEBUG RFM2Pi 37 Values : [8500, 3111]
2016-07-25 17:26:54,982 DEBUG RFM2Pi 37 RSSI : -50
2016-07-25 17:26:54,983 INFO RFM2Pi Publishing: emon/1/1 8500
2016-07-25 17:26:54,986 INFO RFM2Pi Publishing: emon/1/2 3111
2016-07-25 17:26:54,988 INFO RFM2Pi Publishing: emon/1/rssi -50
2016-07-25 17:26:54,991 INFO RFM2Pi Publishing: emonhub/rx/1/values 8500,3111
2016-07-25 17:26:54,993 INFO RFM2Pi Publishing: emonhub/rx/1/rssi -50
2016-07-25 17:26:54,996 DEBUG RFM2Pi 37 adding frame to buffer => [1469467614, 1, 8500, 3111, -50]
2016-07-25 17:26:54,997 DEBUG RFM2Pi 37 Sent to channel' : ToEmonCMS
2016-07-25 17:26:55,100 DEBUG RFM2Pi confirmed sent packet size: -> ack