8 AWT210 PROFIBUS PA 2-WIRE TRANSMITTER | COM/AWT210/PROFIBUS-EN REV. A
…6 Installation
Cable length
Maximum cable length 1900 m (6233 ft)
Maximum spur length (1 device) 120 m (394 ft)
Maximum spur length (2 devices) 90 m (295 ft)
Maximum spur length (3 devices) 60 m (197 ft)
Maximum spur length (4 devices) 30 m (98 ft)
Cable specification
The cable lengths in Table 1 apply to cable to the following
specification:
Capacitance per unit length <30 pf/m
Core diameter 0.64 mm
Core cross section >0.34 mm
2
Network connection
PROFIBUS 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 PROFIBUS-PA network:
• Use cable that meets PROFIBUS specifications for
reliable communications
• Ensure a PROFIBUS 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.
Figure 2 PROFIBUS PA communication module connection overview
SW1:
Reset to
defaults
ON
OFF
SW2:
Write
protection
123456 87
AB
2
AB
1435
Sensor module connections
PROFIBUS PA module
connections
(connected internally)
Non IS installations
9 to 32 V DC
IS installations
9 to 24 V DC
Functional earth
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