Dwyer 16A User Manual

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Page 33

ut2

force a full on condition for output devices which do not have bias

adjustments. Factory set to

100 for all output codes.

0ut2 is set to 0n0F (in the Secondary Menu), then the next three menu

items can make the SP2 and SP2d settings act like a high or low alarm set
point. See the information on alarm settings and the cautions and warnings
that apply to them on the next pages.

Note that when Set Point 2 Power Interrupt ,

S2Pi is On, and Set Point

2 Reset,

S2rE, is programmed to Hold, the SP2 output will automatically

reset upon a power failure and subsequent restoration, if the process is

below

SP2.

S2rE Set Point 2 Reset. Select 0n0F or Hold.

0n0F Output will automatically reset when process passes

back through

SP2d.

HoLd Manual Reset. Reset (acknowledge) by simultaneously

pressing the INDEX & DOWN ARROW keys
for 3 seconds.

S2Pi Set Point 2 Power Interrupt. Select On or OFF.

Alarm Power Interrupt is On. Output will automatically
reset on power-up if no alarm condition exists.

0FF

Alarm Power Interrupt is OFF. Output will be in the alarm condition
on power-up regardless of condition of process.

S2iH Set Point 2 Inhibit: Select On or OFF.

Alarm Inhibit is On. Alarm action is suspended until the
process value fi rst enters a non-alarm condition.

0FF

Alarm Inhibit is OFF.

S2LP Set Point 2 Lamp: Select O on or OoFF.

0on

Lamp ON when Output is ON.

0oFF Lamp OFF when Output is ON.

ALARM TYPE AND ACTION (if alarm function is present)

Caution: In any critical application where failure could
cause expensive product loss or endanger personal safety,
a redundant limit controller is required.

When setting an alarm value for an absolute alarm (A1t = AbS), simply set
the value at which the alarm is to occur. When setting the alarm value for a devia-
tion alarm (A1t = dE), set the difference in value from the Set Point desired. For

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