Hach-Lange POLYMETRON 9245 Basic User Manual - Manual (Page 16)

Alarm
Yes Activate the warning alarm
No Deactivate the warning alarm
Accept
Manual When the alarm is triggered, turn it off by pressing the Enter function key
Auto
When the alarm is triggered, it will turn itself off only when the reason for the
alarm being triggered is no longer valid
Relay
N.O. Normally open
N.C. Normally closed
5. System alarm:
Alarm
Yes Activate the system alarm
No Deactivate the system alarm
Relay
N.O. Normally open
N.C. Normally closed
mA outputs
1. Select the mA OUTPUTS option to set up the parameters for all the analog outputs.
2. From the list available, select the mA output you wish to set.
Output parameters
1. Analog output parameters:
Attribute
Choose the attribute that triggers the analog output.
Note: The attribute variable cannot be applied to Output 0, which is reserved for the continuous live output signal.
Type Choose either a 0-20 mA or 4-20 mA analog output
Mode Select the mode. This parameter is only selectable if the attribute is set to a measurement channel
Low The value corresponding to the low end of the scale
Middle The value corresponding to the mid-point of the scale (only available in dual mode)
High The value corresponding to the high end of the scale
Event indication
1. Select the EVENT INDICATION option in the mA Outputs menu to display the options available
for event setting.
2. Select the option for which you want to set an event.
3. Define the attribute for the event. This is one of the outputs or None.
4. The MODE can be either a Preset val or Frozen.
5. If a preset value is chosen, you will be required to enter the value of the analog output that will be
forced, when that event occurs.
16 English