Installing and connecting
2.5 Connecting the field bus to the active field distributor AFS
Active field distributors AFD4, AFD4 (FM), AFD8 and AFS
24
Product Information, 02/2015, A5E03775304-AC
Table 2- 2
Terminal assignment on the active field distributor AFS
Connection
Terminal Assignment
T1, T2
Main line to the FDC 157 couplers
+
Data line
-
Data line
Y
Line to the field devices (supply); the Y con-
nectors are provided for max. 2 bus lines, each
with a terminating resistor at the end of the line
+
Data line
-
Data line
Basic procedure
1.
Prepare the bus cable.
2.
Connect the bus cable:
–
Open the field distributor.
–
Connect the wires to the terminal block.
–
Close the field distributor.
Requirement
●
Active field distributor is mounted and grounded.
Tools required
●
Cross-tip screwdriver size 4
●
Open ring wrench 20 mm
●
Screwdriver with 3 mm blade
●
Small knife, diagonal cutter or FC stripping tool
Required accessories
●
Bus cable (cable type A)
●
Sealing plugs for unused connections (10), 6ES7157-0AG80-1XA1
