Super Systems 20Q User Manual

Page 92

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- Alarm 4 type - [r.F13]

This parameter is available only when OUT 4 is configured as
alarm 4 output (“O4.Fn” [C.E04] = “ALr.4”)
Range: Proc = Alarm on process variable

bAnd = Band alarm on process variable
dEV

= Deviation alarm on process variable

ñAin = Alarm on Main control output value
SECn = Alarm on Secondary control output value

NOTE

NOTE: When alarm type has been changed the alarm threshold
will be forced to its default value and alarm status will be
cleared.

- Alarm 4 configuration - [r.F14]

This parameter is available only when OUT 4 is configured as
alarm 4 output (“O4.Fn” [C.E04] = “ALr.4”)
Range: H.A.

= High alarm (outside band) with automatic reset

L.A.

= Low alarm (inside band) with automatic reset

H.A.Ac= High alarm (outside band) with automatic reset

and acknowledge

L.A.Ac= Low alarm (inside band) with automatic reset

and acknowledge

H.L.

= High alarm (outside band) with manual reset

L.L.

= Low alarm (inside band) with manual reset

NOTE

NOTE: When alarm configuration has been changed, the alarm
status will be cleared.

- Alarm 4 action - [r.F15]

This parameter is available only when OUT 4 is configured as
alarm 4 output (“O4.Fn” [C.E04] = “ALr.4”)
Range: dir

= direct action (Relay energized or SSr=1 in alarm

condition)

rEV

= Reverse action (Relay energized or SSr=1 in non

alarm condition)

- Alarm 4 stand-by (mask) function -

[r.F16]

This parameter is available only when OUT 4 is configured as
alarm 4 output (“O4.Fn” [C.E04] = “ALr.4”)
Range: OFF = Stand-by function disabled

= Stand-by function enabled

NOTES

NOTES:
1) If the alarm is programmed as band or deviation alarm, this

function masks the alarm condition after a set point change or
at the instrument start-up until process variable reaches the
alarm threshold plus or minus hysteresis. If the alarm is
programmed as a process alarm or control output alarm, this
function masks the alarm condition at instrument start-up until
process variable reaches the alarm threshold plus or minus
hysteresis.

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mkc-ssi.pmd

06/07/2004, 12.19

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