Table 5.3: Status 2 Bits Denitions for Command 04, Modbus Address 30002
Read Single Register (Command 04)
This command is used to report the status information.
Request:
<Meter Address> <Command code=04> <Register address =0> <Register address =0> <Register
count =0> <Register count =1> <CRC high> <CRC low>
Response:
<Meter Address> <Command code=04> <Byte count =2> <Status High><Status Low> <CRC
high> <CRC low>
Table 5.2: Status Bits Denitions for Command 04, Modbus Address 30001
Communications | 94
Model FT3
Communications
Bit Denition Comment
0 Power up indication Cleared when out of the power up sequence
1 Flow rate reached high limit threshold Set limit to zero to disable
2 Flow rate reached low limit threshold Set limit to zero to disable
3 Temperature reached high limit threshold Set limit to zero to disable
4 Temperature reached low limit threshold Set limit to zero to disable
5 Sensor reading is out of range Check sensor wiring
6 Velocity ow rate outside of calibration table Check sensor wiring
7 Incorrect Settings Check settings
8 In simulation mode Set simulation value to 0 to disable
9 Pulse output is out of range Check pulse output settings
10 Analog CH1 4-20mA is out of range Check analog output settings
11 Analog CH2 4-20mA is out of range Check analog output settings
12 Anybus error Replace display board
13 Bridge Shut Down Check sensor wiring
14 CRC error Check parameters and reset CRC
15 Error in Total Reset total to clear alarm
Bit Denition
0 CAL-V in progress
1 ADC12<> ADC24 too far apart, internal calibration out of range
2 CAL-V Di out of range
3 Curve #2 Selected (for 2 gas curves only)
4 Zero Check failed
5 CAL-V/Zero Check aborted