CPU Module power source connectionsFigure 3-21:
A. Power In connector (main power)
B. 24V LOOP POWER
C. 2 Amp fuse (used for the main power input)
3.6 Security seal installation
Security seals protect the integrity of the meter metrology and prevent tampering with
transducer assemblies. The following sections detail how to properly seal the Daniel 3410
Series Gas Ultrasonic Flow Meter after commissioning. The security seal wires are
commercially available.
Be sure to set the WRITE PROT. switch on the CPU Module to the ON position prior to
sealing the enclosure.
3.6.1
Seal transmitter electronics enclosure
Use the following instructions to install the security seal wires on the Transmitter
Electronics Enclosure.
Electrical installation
78 Gas Ultrasonic Flow Meter