User Manual

<7. COMMISSIONING OF SC (Conductivity)>
7-8
IM 12A01A02-01E 5th Edition : Oct. 31, 2013-00
mA mA
mA
R(1) R(2) R(1)
F0503_2.ai
Return mA to Sensor1?
Yes
No
Reset redundant system
Sensor 1
Display
Sensor 2
Alive Alive
Alive Alive Alive
Dead
Dead
Alive
Sensor 1 is dead.
(automatic)
Repair sensor
Redundant system
restart (manual)
If sensor 1 fails, the
output is automatically
switched to the sensor-2
value.
This display is the
example when
“Redundant” is
selected as a
process parameter.
Even if a fault on the sensor 1 is
recovered automatically after
fault detection, the output will not
be switched back automatically
and the sensor 2 value will
continue to be output.
After repairing sensor 1, reset the backup made
by the redundant system. This enables the
sensor 1 value to be incorporated in the output.
On the Reset redundant system, selection of
“Yes” makes the output return to the output of
the 1st module.
Output setup
mA Output
Configure Hold
Reset redundant
Figure 7.2 Redundant system
Setup
Select one of the output methods: Linear and Table.
Linear: Set the 0% and 100% values.
Table: Thisallowsthecongurationofanoutputcurveby21points(5%intervals).
(The 0% and 100% values must be entered.)
Burn
Select the designated output in case of a fault from among Off, Low, and High. See “7.3 Error
conguration”tosettheoutput.
Off: Output depends on the measured value.
Low: Outputisxedto3.6mA
High:Outputisxedto22.0mA.
Damping time
Thisisthetimetakenforaresponsetoastepinputchangetoreach90%ofthenalvalue
(attenuation time). Set this time in sec.
l Simulate
Whenthisfunctionisselected,anoutputoftheinstrumentwillbeaxedcurrentvaluesetin%of
the output span. The output span range is -2.5% to 112.5% (3.6 mA to 22.0 mA).
When “Simulate” is selected, regardless of hold setting, the output is always simulated value.
n
 CongureHold
OntheCongureHold,settingsareperformedtoholdofthemAoutputatapresetvalue.(Refer
to the section 8.7.) This is enabled only if “mA” is “Output.”