TESTO 6681 Profibus Instruction Manual page 34

testo 6681 Profibus
34
2 Close M 20 x 1.5 screw connection (item (10) in Overview of terminals,
chapter 1.3.3.1, page 28.
1.3.3.4 Plug-in connection option
As an option, the PG screw connections of the signal and supply lines can be
replaced with plug-in connections that are installed at the housing (see Fig. 1
and 2). The relay cabling occurs via standard cable entries and PG screw
connections, see Fig. 3 and 4
Transmitter housing
Plug-in connections for power supply and channels
M12 plug-in connection (5-pin) socket (1)
View of the plug-in connections in the installed state from outside.
Pin Assignment.
1 V 24 -
2 V 24 +
3 + Ch 1
4 - Ch 1
5 PE
- 1.3 Commissioning
The busy light (alarm/status light) only comes on when the
relay is switched (closed). Monitoring the functionality of the
alarm circuit is therefore not possible with this switching
operation.