TESTO 6681 Profibus Instruction Manual page 74

testo 6681 Profibus
74
 Using alarm to monitor limit values
Monitoring minimum
On
Off
Limit value
5 Select Channel x (e.g. "Channel 1") using  or  and confirm selection
with SET.
6 Select Max control or Min control with  or  (see graphic).
7 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.
8 Return to Channel x by pressing ESC.
9 Return to Alarm x by pressing ESC.
10 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).
11 Specify with  or  whether Alarm x is to be used as the Alarm relay
or is to be not used. Confirm selection with SET and return to Alarm x.
- 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
97.
Monitoring maximum
NO contact
Off
On
NC contact
Hysteresis
On
Off
Limit value
Cannel 2
e.g. °C