17
4Connectingtopowersupply
MINITRAC 31 • Foundation Fieldbus
62076-EN-190704
4 Connecting to power supply
4.1 Preparing the connection
The voltage supply and signal output are connected via the spring-
loaded terminals in the housing.
Connection to the display and adjustment module or to the interface
adapter is carried out via contact pins in the housing.
Proceedasfollows:
Theprocedureappliestoinstrumentswithoutexplosionprotection.
1. Unscrewthebighousingcover
2. Loosen compression nut of the cable gland and remove blind
plug
3. Removeapprox.10cm(4in)ofthecablemantle,stripapprox.
1cm(0.4in)ofinsulationfromtheendsoftheindividualwires
4. Insert the cable into the sensor through the cable entry
1
Fig. 9: Connection steps 4 and 5
1 Locking of the terminal blocks
5. Insertasmallslottedscrewdriverrmlyintotherectangularlock
openings of the respective connection terminal
6. Insertthewireendsintotheroundopeningsoftheterminalsac-
cordingtothewiringplan
Information:
Solidcoresaswellasexiblecoreswithcableendsleevesare
inserteddirectlyintotheterminalopenings.Incaseofexiblecores
withoutendsleeves,presstherectangularlockopeningwithasmall
screwdriver;theterminalopeningisfreed.Whenthescrewdriveris
released, the terminal opening closes again.
Connection technology
Connection procedure