Hach-Lange SI794 D tr User Manual - Manual (Page 48)

Configuration
Calibration mode
Alarm settings
Calibration mode
Cal timer interval
Select Sensocheck
Delay
LED in HOLD mode
Code Display Menu group Select menu item
Calibration mode CA.
Alarm settings AL.
Exit:
Press conf, then enter.
15
16
Alarm
Alarm contact
The alarm contact is closed during normal operation (N/C).
It opens in the case of alarm or power outage.
As a result, a failure message is provided even in the case
of line breakage (fail-safe behavior). For contact ratings,
see Specifications.
Error messages can also be signaled by a 22 mA
output current (see Pg 39,
The operating behavior of the alarm contact is shown
on Pg 84.
Exit:
Press conf, then enter.
The alarm delay acts on the LED, the 22 mA signal, and the
alarm contact.
45, 83).
48