Cable Length; Cable Specification; Network Connection - ABB AWT210 Manual

8 AW T 2 1 0 F O U N D AT I O N F I E L D B U S 2 - W I R E T R A N S M I T T E R | C O M/A W T 2 1 0/ F I E L D B U S - E N R E V. A
...6 Installation

Cable length

Maximum cable length
Maximum spur length (1 device)
Maximum spur length (2 devices)
Maximum spur length (3 devices)
Maximum spur length (4 devices)

Cable specification

The cable lengths in Table 1 apply to cable to the following
specification:
Impedance
Capacitance per unit length
Loop resistance
Core diameter
Core cross section
Non IS installations
9 to 32 V DC
IS installations
9 to 24 V DC
Functional earth
Figure 2 FOUNDATION Fieldbus communication module connection overview
1900 m (6233 ft)
120 m (394 ft)
90 m (295 ft)
60 m (197 ft)
30 m (98 ft)
135 to 165 Ω
<30 pf/m
110 Ω/km
0.64 mm
>0.34 mm 2
SW1: SW2:
Reset to Write
defaults protection
ON
OFF
FOUNDATION Fieldbus
module connections
(connected internally)
A B
1 2 3

Network connection

FOUNDATION Fieldbus network connections are made to the
terminal block on the AWT210 Communication module.
WARNING – BODILY INJURY
• Refer to the AWT210 Operating Instruction
(OI/AWT210-EN) before making electrical
connections.
NOTICE
Property damage
When connecting an AWT210 to a FOUNDATION Fieldbus
network:
• Use cable that meets FOUNDATION Fieldbus
specifications for reliable communications
• Ensure a FOUNDATION Fieldbus active terminator
is fitted to each end of each bus segment.
• Route data lines clear of the source of any strong
electrical and magnetic fields.
Sensor module connections
1 2 3 4 5 6
A B
4 5
7 8