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gACC-499E/U Communication unit
gACC-499E_U_Manual_EN.doc
7.0
Meter exchange
7.1
Gas meter exchange
To exchange a gas meter at a device that is in sleeping mode the following procedure should be followed:
Before the gas meter is disconnected:
1.
Remove the cover of the gACC-499E/U
2.
Set switch 2 to ON
3.
Set switch 3 to ON
4.
Wait until all 4 LEDs are on, plus about 3 minutes.
5.
Now the data collection system can dial-in and the archive can be read until the last
hour.
With a config cable and the gACC-499 Configuration program it's possible to readout the
6.
archive locally. The procedure for this operation is describes in section 2.15
The exchange of the gas meter:
1.
Set switches 1 and 2 to OFF
2.
Wait until all LEDs are turned off (This may take a while)
3.
Remove the connection of the gas meter
4.
Place the new gas meter
5.
Connect the new gas meter with the gACC-499E/U
6.
Set switch 1 to ON
7.
Set switch 2 to ON
8.
Wait until all 4 LEDs are on, plus about 3 minutes
Now the data collection system can run a test whereby "billing data" and a clock
9.
synchronization can carried out. "load profile" data will not yet be available at this
moment.
7.2
gAVC 1200 exchange
Before the gAVC 1200 is disconnected:
1.
Remove the cover of the gACC-499E/U
2.
Set switch 2 to ON
3.
Set switch 3 to ON
4.
Wait until all 4 LEDs are on, plus about 3 minutes.
5.
Now the data collection system can dial-in and the archive can be read until the last
hour..
The exchange of the gAVC 1200:
1.
Set switches 1 and 2 to OFF
2.
Wait until all LEDs are turned off (This may take a while)
3.
Remove the connection of the gAVC 1200
4.
Place the new gAVC 1200
5.
Connect the new gAVC 1200 with the gACC-499E/U
6.
Set switch 1 to ON
7.
Set switch 2 to ON
8.
Wait until all 4 LEDs are on, plus about 3 minutes
Now the data collection system can run a test whereby "billing data" and a clock
9.
synchronization can carried out. "load profile" data will not yet be available at this
moment unless the gAVC 1200 was already turned on. Up to 2 days of "load profile"
data will be cached. This is a parameter in the config file.
Reading the archive (cache).
GA-02.035-EN-30.05.17
Page 37 of 46
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