Hanna Instruments HI 720 Series User Manual
Page 11
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21
Setup Item
Description
Valid Values
Default
Analog Output 1
O.13
Analog output 1
0 to f.s.
1999 μS/cm
maximum value
(O_VARMIN1
≤
(O_VARMAX1)
O_VARMAX1 -5% f.s. for
O_VARMAX1, O_VARMIN1
≤ O_HOLD1 ≤ O_VARMAX1)
O.14
Analog output 1
User selected value,
Previous value
hold mode (note 13)
Previous value
O.15
Analog output 1
0 to f.s.
1000 μS/cm
hold mode value
(it must be within the
(O_HOLD1)
O_VARMIN1 to
O_VARMAX1 interval)
Analog Output 2
O.20
Analog output 2
Recorder (temperature), Recorder
mode (notes 1, 17)
Control-setpoint 2
(conductivity/concentration
/temperature)
O.21
Analog output 2
0-20 mA or
4-20 mA
type
4-20 mA
O.22
Analog output 2
-30.0 to 130.0°C
0.0°C
minimum value
(O_VARMIN2
≤
(O_VARMIN2)
O_VARMAX2 -10°C,
O_VARMIN2
≤ O_HOLD2
≤ O_VARMAX2)
O.23
Analog output 2
-30.0 to 130.0°C
100.0°C
maximum value
(O_VARMIN2
≤
(O_VARMAX2)
O_VARMAX2 -10°C,
O_VARMIN2
≤ O_HOLD2
≤ O_VARMAX2)
O.24
Analog output 2
User selected value,
Previous value
hold mode (note 13)
Previous value
O.25
Analog output 2
-30.0 to 130.0°C
25.0°C
hold mode value
(it must be within the
(O_HOLD2)
O_VARMIN2 to
O_VARMAX2 interval)
Setup Item
Description
Valid Values
Default
Other Parameters
C.70
Hold mode end delay 00 to 99 seconds
00 sec
C.80
On/Off control
00:00 to 30:00 min.
00:00 min
action delay (note 26)
OUTPUT
Relays
O.01
Relay 1 mode
Disabled,
Control-
(see notes 16, 17)
Control-setpoint 1,
setpoint 1
Control-setpoint 2,
Simple cleaning,
Hold mode
O.02
Relay 2 mode
Disabled,
Control-
(see notes 16, 17)
Control-setpoint 1,
setpoint 2
Control-setpoint 2,
Simple cleaning,
Hold mode
O.03
Relay 3 mode
Disabled,
Disabled
(see notes 12, 16)
Simple cleaning,
Advanced cleaning,
Hold mode
O.04
Relay 4 mode
Disabled,
Disabled
(see notes 12, 16)
Simple cleaning,
Advanced cleaning,
Hold mode
O.05
Hold digital output
Disabled or
Hold mode
Hold mode
Analog Output 1
O.10
Analog output 1
Recorder or
Recorder
mode (notes 1, 17)
Control-setpoint 1
O.11
Analog output 1
0-20 mA or
4-20 mA
type
4-20 mA
O.12
Analog output 1
0 to f.s.
0 μS/cm
minimum value
(O_VARMIN1
≤
(O_VARMIN1)
O_VARMAX1 -5% f.s. for
O_VARMAX1, O_VARMIN1
≤ O_HOLD1 ≤ O_VARMAX1)