General Measure GMT-H1, Operating Instruction

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20
address that the received data address is an
invalid address.
03 Invalid data
value
The part of data written and the range
allowed.
04
From the
machine fault
An unrecoverable error occurred while
the meter was attempting to perform the
requested operation.
07 An
unsuccessful
programming
request
For the meter, the command received
cannot be executed in the current
condition.
5.3 MODBUS Communication Address
Function
address
The PLC
address
meaning instructions
The following is readable (read function code 0x03)
0000-0001. 40001-40002.
Weight
status
There are signs, integers
0002 40003
Weight
status
flag bit
D12-15
Retention.Return 0
D11
Use theoretical weights
D10
Retention.Return 0
D9
Retention.Return 0
D8
Millivolt number is
stable, (the indicator
of millivolt number to
judge stability during
calibration)
D7
Negative sensor
overflow, lower than the
allowable sensor voltage
range
D6
The sensor is
overflowing, exceeding
the allowable sensor
voltage range
D5
Weight negative
overflow, weight less