Flowserve 3400IQ Digital Positioner - Manual (Page 95)

Logix 3400IQ Digital Positioner FCD LGENIM3402-00 – 0/07
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PRESS_FLAGS: Each bit within this variable is a flag indicating parameters relevant to the pressure
sensors (Advanced model ONLY). A logic 1 indicates error is active.
Bit Description
0 0 = No error
1 = Loss of supply
1 Not used
2 0 = No error
1 = Output port 1 sensor failure (low pressure reading during calibration)
3 0 = No error
1 = Output port 2 sensor failure (low pressure reading during calibration)
4 Not used
5 Not used
6 Not used
7 Not used
PRESS_UNITS: This is an enumerated byte that indicates the engineering units being utilized for
pressure sensor reporting. The embedded code supports units of psig, barg, KPag, and Kg/cm2g.
The unit codes are defined as follows:
6 = psi
7 = bar
10 = Kg/cm2
12 = Kpa
SIG_FLAGS: Byte which will be added to the end of each signature data frame to show progress and
end-of-signature. One flag will set STEP or RAMP STATUS_flags
STATUS_FLAG: Status flag variable for fieldbus. When a bit is set, the corresponding flag variable is
reporting an alarm condition.
Bit Description
0 0 = No error
1 = Error reported in CALIBRATE flags
1 0 = No error
1 = Error reported in TRAVEL flags
2 0 = No error
1 = Error reported in INTERNAL flags
3 0 = No error
1 = Error reported in PRESSURE flags
4 0 = No error
1 = Communications error
5 Not used
6 Not used
7 Not used
TEMP_UNITS: This is an enumerated byte that indicates the engineering units being utilized for
temperature reporting. The embedded code supports °C and ° F. The unit codes are defined as
follows:
32 = °C
33 = °F
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