TESTO 6681 Instruction Manual page 76

testo 6681 Ethernet
76
 Using alarm to monitor limit values
Monitoring minimum
On
Off
Limit value
1 Select Channel x (e.g. "Channel 1") using  or  and confirm
selection with SET.
2 Select Max control or Min control with  or  (see graphic).
3 Press SET and edit limit value and hysteresis: Scroll one digit to
the right using , increase value of digit by 1 using . Confirm
with SET or abort entry with ESC.
4 Return to Channel x by pressing ESC.
5 Return to Alarm x by pressing ESC.
6 Change to the other relays using  or  and perform settings in
the same way.
 Using alarm as collective alarm or not using it at all
If the collective alarm is assigned to an alarm, the relay is switched as soon
as (at least) one of the warning or error messages of the testo 6681
transmitter (or the connected testo 6610 probe) is activated.

Alarm is selected (see previous steps 1 and 2).
- 1.4 Operation
Hysteresis
Off
On
Note:
The messages affecting the collective alarm can only be
selected in the P2A software, see volume 2, chapter 2, page
103.
Monitoring maximum
NO contact
Off
On
NC contact
Hysteresis
On
Off
Limit value
Cannel 2
e.g. °C