User Manual

Daniel 3814 Liquid Ultrasonic Meter Installation Manual Section 3: Electrical installation
3-9000-760 Rev E March 2015
CPU Module labeling and LED indicators 45
3.5.1 CPU Module labeling and LED indicators
The meter’s metrology mode and the status of the data transfer from the Acquisition Module to
the CPU Module is indicated via light-emitting diode (LED) status indicators. The Write PROT.
with protects the meter’s configuration,
Figure 3-3 CPU Module labeling and LED indicators
A.
B.
C.
D.
E.
A. Acquisition/Measurement mode
B. Power
C. RX (RS-485/RS-232) - receiving data
D. LED 4 - not used
E. LED 5 - not used
F. TX (RS-485/RS-232) - transmitting data
F.
G.
G. Link (Eth1 Link) - user Ethernet connection