Invensys Process Systems (Foxboro) SRD991 Valve Positioner, Rev 18 valid engineering units and channel values

AI Block: Valid Engineering Units and CHANNEL Values

Final Value

CHANNEL=17

Working SP

CHANNEL=18

Final Positioning Value

CHANNEL=19

Working Pos

CHANNEL=20

Control Diff

CHANNEL=21

Supply Press

CHANNEL=22

% (1342) % (1342) % (1342) % (1342) % (1342) bar (1137)
psi (1141)
kPa (1133)

Output 1 Press

CHANNEL=23

Output 2 Press

CHANNEL=24

Load Factor

CHANNEL=25

Electronics Temp

CHANNEL=26

Cycle Count

CHANNEL=27

Travel Sum

CHANNEL=28

bar (1137) bar (1137) % (1342) degC (1001) No unit (1588) No unit (1588)
psi (1141) psi (1141) degF (1002)
kPa (1133) kPa (1133)

Time Since Last Service

CHANNEL=29

Act Time in Operation

CHANNEL=30

PST Last Break Pressure

CHANNEL=31

PST Last Reinflate Time

CHANNEL=32

External Sensor Channel 1

CHANNEL=33

External Sensosr Channel 2

CHANNEL=34

hour (1059) hour (1059) bar (1137) second (1054) % (1342) % (1342)
bar (1137) bar (1137)
psi (1141) psi (1141)
kPa (1133) kPa (1133)
mm (1013) mm (1013)
inch (1019) inch (1019)
degree (1005) degree (1005)

AO Block: Valid CHANNEL Values

Valve Position

CHANNEL=1

%

DI Block: Valid CHANNEL Values

DI1 alarm

CHANNEL=2

DI2 alarm

CHANNEL=3

DI3 alarm

CHANNEL=4

DI4 alarm

CHANNEL=5

DO Block: Valid CHANNEL Values

DO ON/OFF or override

CHANNEL=6

MAI Block: Valid CHANNEL Values

Channel AOTB

CHANNEL=41