Installation guide

10 Introducing the Modbus Plus Network
890 USE 100 00
NETWORK
TRUNK
CABLE
NETWORK
TRUNK
CABLE
DROP
CABLE
TO NODE
TAP SHOWN
WITH
COVER OPEN
CABLE
TIE
TERMINATION
JUMPERS (2)
  
END SITES: CONNECTED
TO PINS AT OPPOSITE SIDE
FROM TRUNK CABLE ENTRY
  
INLINE SITES: OPEN
GROUND
WIRE
Figure 5 Cable Tap Layout
The next two figures summarize the layout for one section of a network.
10 ft (3 M) CABLE MIN.
= JUMPERS CONNECTED = JUMPERS DISCONNECTED
END INLINE
NODENODE
END
NODE
INLINE
NODE
UP TO 32 NODES MAX., 1500 ft (450 M) CABLE MAX.
Figure 6 Section Physical Layout (Single Cable)
= JUMPERS CONNECTED = JUMPERS DISCONNECTED
END INLINE
NODENODE
END
NODE
INLINE
NODE
UP TO 32 NODES MAX., 1500 ft (450 M) CABLE MAX.
10 ft (3 M) CABLE MIN.
500 ft (150 M) MAX. DIFFERENCE BETWEEN CABLES A AND B
MEASURED BETWEEN ANY PAIR OF NODES
CABLE A
CABLE B
Figure 7 Section Physical Layout (Dual Cables)