Emerson 3812 Manuel D’Utilisation
Daniel 3812 Liquid Ultrasonic Flow Meter Installation Manual
Section 3: Electrical installation
3-9000-765 Rev D
March 2013
CPU Module labeling and LED indicators
51
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.
switch protects the meter’s configuration,
the CPU Module is indicated via light-emitting diode (LED) status indicators. The Write PROT.
switch 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
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