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Barber-Colman 7EM - Page 15

Barber-Colman 7EM
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15
P11 Alarm 2 operating mode and reset of HBD alarm
Not available when P10 = 0 and P16 = OFF..
H.A = High alarm (outside band) with automatic reset.
L.A = Low alarm (inside band) with automatic reset.
H.L = High alarm (outside band) with manual reset.
L.L = Low alarm (inside band) with manual reset.
Note: The HBD alarm is a low alarm, but it assumes the
same reset type selected for alarm 2.
P12 Alarm 2 standby
ON = Standby enabled.
P13 Type of OFFSET applied on measure value
If P13 = 0 - Then a constant OFFSET (P14) is applied
over the entire range.
If P13 is not = 0 - Then P13 is the point at which P14 is
applied. P14 is the distance between the
real curve and the adjusted curve at P13.
Both the real curve and the adjusted curve
pass through 0, 0.
P14 OFFSET value
If P13 = 0 - P14 can be set with keys, in engineering
units, from -20 to +20% of the input range.
If P13 is not = 0 - P14 can be set with keys, in engineering
units, from -20 to +20% of P13
Readout
Real curve
Input
Adjusted
curve
P14
P13 = 0
Readout
Real curve
Input
Adjusted
curve
P14
P13 0
P13
P6 Cooling element
Available only when P4= HC.
Alr = Air.
OlL = Oil.
H2O = Water.
P7 Alarm 1
Available only when P4 = H.
0 = Not provided.
1 = Process alarm.
2 = Band alarm.
3 = Deviation alarm.
P8 Alarm 1 operating mode
Not available when P7 = 0 or P4 = HC.
H.A = High alarm (outside band) with automatic reset.
L.A = Low alarm (inside band) with automatic reset.
H.L = High alarm (outside band) with manual reset.
L.L = Low alarm (inside band) with manual reset.
P9 Alarm 1 standby
Not available when P7 = 0 and P4 = HC.
OFF = Standby disabled.
ON = Standby enabled.
NOTE: Standby allows you to disable the alarm after a
setpoint modification or at instrument startup.
The alarm is automatically turned on when the
process variable reaches setpoint.
P10 Alarm 2
0 = Not provided.
1 = Process alarm.
2 = Band alarm.
3 = Deviation alarm.
Alarm 2 ahd HBD function are in “or” condition on the
output 3.