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W-MBus Modems/Receiver/Repeater- Guide utilisateur / User guide version V1.8.2
7.3.2.07
Wiring of 1 electricity meter
Procedure :
•
Open the housing of the modem AMR and remove
the bottom (two screws)
•
Insert the cables through the cable gland located on
the bottom part of the housing
•
Set switch 1 to ON
•
Connect the white cable to IMP1
•
Connect the brown cable to GND
•
Back ground green wire (FRD1) on the GND of the
sensor
•
Close the housing and tighten the screws
•
Tighten the gland nut to ensure sealing
Note : Always connect the green wire (fraud) last !
7.3.3 Startup of the Radio modem AMR
The actual start of the product is automatically 10 seconds after connecting wire fraud, and any subsequent changes on switches will not have
any effect. (Be careful though of malfunctions caused by improper positioning of switch1 on the type of sensor connected).
The green LED will flash for 30 seconds, turn ON 1 second and OFF 1 second to indicate the correct startup of the counting function.
The same scenario will happen again if you subsequently connect the 2nd counter.
When installing sensors on the meters, the value of the mechanical index is never zero (even with brand new meters because they are always
tested through a few dozen rotations on a test bench); this difference is not supported by the modem AMR and must therefore treat offset
through the receiving tool.
Note: For gas meters, it may be that the modem AMR starts with a non-zero value (related to the principle of magnetic detection). Be sure to
check the offset value after startup. if an offset correction must be applied, it must be done on the collector (receiever side). It's not possible to
and apply a coorection on the Radio Modem AMR.
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