Commissioning Instructions for PTB gas approval Proline Promass 84
Operation subject to legal metrological control ("Custody
Hauser
21
5.8
Unlocking the measuring device
Precondition: The device is operational and is already set to custody transfer mode.
1.
Disconnect the device from the operating voltage.
2.
Remove the custody transfer seals.
#
Warning!
In the case of explosion-protected equipment, observe a cooling or discharge time of 10 minutes
before opening the device.
3.
Open the cover of the transmitter housing electronics compartment.
Detailed procedure for the compact/wall-mount version can be found in the Operating
Instructions BA00109D Promass 84 HART or BA00129D Promass 84 Modbus RS485.
4.
Remove the S-DAT
5.
Reconnect the device to the power supply.
6.
The device runs through the startup cycle.
After startup, the error message "#031 SENSOR HW-DAT" is displayed.
!
Note!
This error message appears because the S-DAT has been removed.
This does not have any effect on the subsequent steps.
7.
Disconnect the device from the power supply again.
8.
Reinsert the S-DAT.
9.
Screw the covers of the electronics compartment and the display module back on.
10. Reconnect the device to the power supply.
11. The device runs through the startup cycle.
During startup, the message "CUSTODY TRANSFER NO" appears on the display.
12. The device is now operational and is not in custody transfer mode.
