Flowserve Logix 3400IQ User Instructions 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
0
1
2
3
4
5
6
7
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
0
1
2
3
4
5
6
7
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
Test
DAC control given to PC, write to DAC_value
Blink red LED, used for electronics board test. Bits 2 &
3 may not be set when active
Blink yellow LED, used for electronics board test. Bits
1 & 3 may not be set when active
Blink green LED, used for electronics board test. Bits
1 & 2 may not be set when active
Reserved
Reserved
Reserved
Enable diagnostic scan list
Description
0 = No alert
1 = Final_Value_Cutoff active (this can be either high or low)
0 = No alert
1 = Lower soft stop active
0 = No alert
1 = Upper soft stop active
0 = No alert
1 = Lower position alert
0 = No alert
1 = upper position alert
0 = No alert
1 = Cycle counter limit exceeded
0 = No alert
1 = Travel accumulator limit exceeded
0 = No alert
1 = Position deviation alert