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F-5500 Thermal Mass Flow Meter Manual 06/17 - 2030 / 107023
Page 75
Model F-5500
COMMUNICA
TIONS
Status
Information
Status Information
Device Status
Bit 4 ("More Status Available") is set when any failure is detected. Command #48
provides additional detail.
Extended Device Status
This bit is set if a sensor error is detected. "Device Variable Alert" is set if the PV is out
of limit.
Additional Device Status (Command #48)
Command #48 returns 2 Device-Specific Status bytes of data, with the following
status information:
These bits are set when an alarm or error condition is present. The bit automatically
clears when the condition returns to its normal state.
Byte
Bit
Meaning
Class
0
0
Power up indication
Status
1
High Flow Limit Alarm
Alarm
2
Low Flow Limit Alarm
Alarm
3
High Temperature Limit Alarm
Alarm
4
Low Temperature Limit Alarm
Alarm
5
Sensor out of range
Error
6
Mix error
Alarm
7
Check Parameter Settings
Error
1
0
In Simulation Mode
Alarm
1
Frequency output ot of range
Alarm
2
CH 1 4-20mA out of range
Alarm
3
Not used
4
Not used
5
Not used
6
CRC database error
Error
7
Error with Total
Error
Modes
Fixed current mode is implemented, using Command 40. This mode is cleared by
power loss or reset.
Damping
Damping is standard, affecting only the PV and the loop current signal.
HART Programming
Additional
Device Status
