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15
14
Code
Valid Values
Default
PW
60 Current day
01 to 31
from RTC
no
61 Current month
01 to 12
from RTC
no
62 Current year
1997 to 9999
from RTC
no
63 Current time
00:00 to 23:59
from RTC
no
71 Baud rate
1200, 2400, 4800, 9600
9600 (RS485) no
90 Display selftest
0: off
0
yes
1: on
91 Keyboard selftest
0: off
0
yes
1: on
92 EEPROM selftest
0: off
0
yes
1: on
93 Relays and LEDs selftest
0: off
0
yes
1: on
94 Watchdog selftest
0: off
0
yes
1: on
99 Unlock password
0000 to 9999
0000
yes
Note
The process controller automatically checks to ensure that
the entered data matches other related variables. If a wrong
configuration is entered, “WRONG” blinks on the LCD to
prompt the user. The correct configurations are the following:
If M1=
/ 0 then S1<HA, S1>LA;
If M2=
/ 0 then S2<HA, S2>LA;
For models other than HI 21523:
If M1= 1 then S1-H1>LA;
If M1= 2 then S1+H1<HA;
If M1= 3 then S1+D1<HA;
If M1= 4 then S1-D1>LA;
If M2= 1 then S2-H2>LA;
If M2= 2 then S2+H2<HA;
If M2= 3 then S2+D2<HA;
If M2= 4 then S2-D2>LA;
If M1= 1 and M2 = 2
then S1-H1>S2+H2, S2>LA, HA>S1;
If M1 = 2 and M2 = 1
then S2-H2>S1+H1, S1>LA, HA>S2;
If M1 = 3 and M2 = 2
then S1>S2+H2, S2>LA, HA>S1+D1;
Code
Valid Values
Default
PW
23* Relay 2 hysteresis (H2)
0.00 to 14.00 pH
1 pH
no
0 to 4000 mV
50 mV
24* Relay 2 deviation (D2)
0.50 to 14.00 pH
1 pH
no
25 to 4000 mV
50 mV
25* Relay 2 reset time
0.1 to 999.9 minutes
999.9 mins
no
(HI 21523 only)
26* Relay 2 rate time
0.0 to 999.9 minutes
0.0 mins
no
(HI 21523 only)
30 Relay 3 high alarm (HA) 0.00 to 14.00 pH
9.00 pH
no
-2000 to 2000 mV
600 mV
HA>LA, HA>S1 or HA>S2
31 Relay 3 low alarm (LA)
0.00 to 14.00 pH
5.00 pH
no
-2000 to 2000 mV
-600 mV
LA<HA, LA<S1 or LA<S2
32 Proportional control
1 to 30 min (
not for HI 21523
) 5 min
no
mode period
5 s to 30 min (
HI 21523 only
) 30 s
no
33 Maximum relay ON time 1 to 60 min (
HI 21523 only
) 60
no
10 to 999 min (
not for HI 21523
) 60
no
(after which an alarm mode is entered)
34 Alarm mask time
00:00 to 30:00
00:00
no
(HI 21523 only)
40 Analog output selection
0: 0-1mA
2
no
1: 0-20 mA
2: 4-20 mA
3: 0-5 VDC
4: 1-5 VDC
5: 0-10 VDC
Note
: this parameter refer to internal hardware configuration of the instrument. To
change it from the factory setting, see page 26.
41 Analog output
0.00 to 13.00 pH
0.00 pH
no
lower limit
-2000 to 2000 mV
-2000 mV
(O_VARMIN)
(O_VARMIN < O_VARMAX-(1.00pH or 50mV))
42 Analog output
1.00 to 14.00 pH
14.00 pH
no
upper limit
-2000 to 2000 mV
2000 mV
(O_VARMAX)
(O_VARMIN < O_VARMAX- (1.00pH or 50mV))