Hanna Instruments HI 720 Series User Manual
Page 15
28
29
Error
Alarm
22 mA
3.6 mA
Hold
Auto-
SMS
Config. Relay
fault curr. fault curr. mode
cleaning sending
22
OFF
OFF
ON
ON
ON
OFF
23
ON
OFF
ON
ON
ON
OFF
24
OFF
OFF
OFF
OFF
OFF
ON
25
ON
OFF
OFF
OFF
OFF
ON
26
OFF
ON
OFF
OFF
OFF
ON
27
ON
ON
OFF
OFF
OFF
ON
28
OFF
OFF
ON
OFF
OFF
ON
29
ON
OFF
ON
OFF
OFF
ON
30
OFF
OFF
OFF
ON
OFF
ON
31
ON
OFF
OFF
ON
OFF
ON
32
OFF
ON
OFF
ON
OFF
ON
33
ON
ON
OFF
ON
OFF
ON
34
OFF
OFF
ON
ON
OFF
ON
35
ON
OFF
ON
ON
OFF
ON
36
OFF
OFF
OFF
OFF
ON
ON
37
ON
OFF
OFF
OFF
ON
ON
38
OFF
ON
OFF
OFF
ON
ON
39
ON
ON
OFF
OFF
ON
ON
40
OFF
OFF
ON
OFF
ON
ON
41
ON
OFF
ON
OFF
ON
ON
42
OFF
OFF
OFF
ON
ON
ON
43
ON
OFF
OFF
ON
ON
ON
44
OFF
ON
OFF
ON
ON
ON
45
ON
ON
OFF
ON
ON
ON
46
OFF
OFF
ON
ON
ON
ON
47
ON
OFF
ON
ON
ON
ON
Note that the values in this table are used for error configuration through RS485.
( 6 )
The hold mode is never enabled by the control timing if the “hold time
start” is the same as the “hold time end”. Items C.41 and C.42 apply to all days.
The hold mode can be enabled all day long by using items C.51 to C.57.
( 7 )
See “Temperature Compensation” section for more details about Auto-
matic and Manual temperature compensation functioning.
( 8 )
Whenever the measurement type (G.00) is changed, all conductivity and
( 3 )
When a wrong setup code or value is confirmed, the controller does not
move from the current window, and displays a blinking WRONG message till the
user changes the value. Note that the allowed values for some parameters de-
pend from other settings (e.g. to set a high setpoint to 10.00 mS, first set the
high alarm to a value greater than 10.00 mS).
( 4 )
Each time the controller is powered, the RTC is checked to detect if an RTC
reset occurred since last software initialization. If that happened, the RTC is ini-
tialized with the default date and time (01-01-2000 ; 00:00).
An EEPROM reset does not affect the RTC settings.
( 5 )
The error configuration value is always displayed together with each error
configuration item, and is coded as shown on this table
Error
Alarm
22 mA
3.6 mA
Hold
Auto-
SMS
Config. Relay
fault curr. fault curr. mode
cleaning sending
00
OFF
OFF
OFF
OFF
OFF
OFF
01
ON
OFF
OFF
OFF
OFF
OFF
02
OFF
ON
OFF
OFF
OFF
OFF
03
ON
ON
OFF
OFF
OFF
OFF
04
OFF
OFF
ON
OFF
OFF
OFF
05
ON
OFF
ON
OFF
OFF
OFF
06
OFF
OFF
OFF
ON
OFF
OFF
07
ON
OFF
OFF
ON
OFF
OFF
08
OFF
ON
OFF
ON
OFF
OFF
09
ON
ON
OFF
ON
OFF
OFF
10
OFF
OFF
ON
ON
OFF
OFF
11
ON
OFF
ON
ON
OFF
OFF
12
OFF
OFF
OFF
OFF
ON
OFF
13
ON
OFF
OFF
OFF
ON
OFF
14
OFF
ON
OFF
OFF
ON
OFF
15
ON
ON
OFF
OFF
ON
OFF
16
OFF
OFF
ON
OFF
ON
OFF
17
ON
OFF
ON
OFF
ON
OFF
18
OFF
OFF
OFF
ON
ON
OFF
19
ON
OFF
OFF
ON
ON
OFF
20
OFF
ON
OFF
ON
ON
OFF
21
ON
ON
OFF
ON
ON
OFF