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Modbus Register 40014 contains the 16-bit word: “Digital Status Bits”. The contents of this
word are as illustrated in the following table:
Bit Position Contents
00 (Least Significant Bit) Aux Digital I/O 1 Status (1=ON, 0=OFF)
01 Aux Digital I/O 2 Status (1=ON, 0=OFF)
02 Aux Digital I/O 3 Status (1=ON, 0=OFF)
03 -reserved/future-
04 -reserved/future-
05 -reserved/future-
06 -reserved/future-
07 -reserved/future-
08 Meter 1 Read Fault (1=Fault, 0=OK)
09 Meter 2 Read Fault (1=Fault, 0=OK)
10 Meter 1 Fwd Flow (1=Fwd Flow)
11 Meter 2 Fwd Flow (1=Fwd Flow)
12 Meter 1 Rev Flow (1=Rev Flow)
13 Meter 2 Rev Flow (1=Rev Flow)
14 -reserved/future-
15 (Most Significant Bit) -reserved/future-
For example, if Register 40014 contains the following:
0000 1100 0000 0111 (Binary)… or 0C07 (Hexadecimal)… or 3079 (Decimal)
Then the following status conditions exist:
Aux Digital I/O 1 1 ON
Aux Digital I/O 2 1 ON
Aux Digital I/O 3 1 ON
-N/A- 0 -N/A-
-N/A- 0 -N/A-
-N/A- 0 -N/A-
-N/A- 0 -N/A-
-N/A- 0 -N/A-
Meter 1 Read Fault 0 OFF (OK)
Meter 2 Read Fault 0 OFF (OK)
Meter 1 Fwd Flow 1 ON
Meter 2 Fwd Flow 1 ON
Meter 1 Rev Flow 0 OFF
Meter 2 Rev Flow 0 OFF
-N/A- 0 -N/A-
-N/A- 0 -N/A-
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