7 NEPTUNE PROTOCOL METER SUPPORT
The Neptune Protocol, as implemented within the E-Coder™, ProCoder™, Mach10, and ProRead
line of registers, is fully supported by the EtherMeter.
Important Notes:
(1) See the Meter Compatibility Matrix for meter register configuration details.
(2) Wire color-coding for Neptune-compatibles differs from that used in Sensus-compatibles and
K-Frame-compatibles.
Figure 7A. Neptune E-Coder™ – Register Diagram.
TERMINATION
DELIMITER
START
DELIMITER
TOTALIZATION DATA
(DIGITS 1-6)
TOTALIZATION DATA
(DIGITS 7-8)
NEPTUNE PROTOCOL:
7 DATA BITS, 1 START BIT, 1 STOP BIT, EVEN PARITY, ASCII ENCODING
SAMPLE READ. TOTALIZATION = 00000158
<STX> 2 0 0 S W <ETB> 0 0 0 0 0 1 <ETB> 1 2 3 4 5 6 7 8 9 0 <ETB> h <ETB> 5 8 @ <ETB> 7 2 <ETX>
Figure 7B. Neptune – Protocol Diagram Example (Total=”00000158”).
To connect a Neptune-Protocol Register to Meter Channel 1:
Neptune-Compatible Wire Color
To connect a Neptune-Protocol Register to Meter Channel 2:
Neptune-Compatible Wire Color
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