Flowserve 3400IQ Digital Positioner - Manual (Page 96)

Logix 3400IQ Digital Positioner FCD LGENIM3402-00 – 0/07
TEST_MODE: This variable is bit mapped variable that will allow special tests to be done to the
positioner.
Bit Test
0 DAC control given to PC, write to DAC_value
1 Blink red LED, used for electronics board test. Bits 2 &
3 may not be set when active
2 Blink yellow LED, used for electronics board test. Bits
1 & 3 may not be set when active
3 Blink green LED, used for electronics board test. Bits
1 & 2 may not be set when active
4 Reserved
5 Reserved
6 Reserved
7 Enable diagnostic scan list
TRAVEL_FLAGS: Each bit within this variable is a flag indicating errors or alerts related to valve
travel. Logic one indicates the flag is active.
Bit Description
0 0 = No alert
1 = Final_Value_Cutoff active (this can be either high or low)
1 0 = No alert
1 = Lower soft stop active
2 0 = No alert
1 = Upper soft stop active
3 0 = No alert
1 = Lower position alert
4 0 = No alert
1 = upper position alert
5 0 = No alert
1 = Cycle counter limit exceeded
6 0 = No alert
1 = Travel accumulator limit exceeded
7 0 = No alert
1 = Position deviation alert
TRAVEL_UNITS: This is an enumerated byte that indicates the engineering units being utilized for the
travel accumulator and stroke. The unit codes are defined as follows:
47 = inches
49 = millimeters
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