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4. Troubleshooting (PROFIBUS DP)
RC700 / RC90 Option Fieldbus I/O Rev.14
309
♦
Process Flowchart
Normal
See 4.2.3.2.
Turn OFF all units.
Normal
Resistance: over 120
Ω
Measure
resistance at
connectors
with tester.
Resistance: under 100
Ω
Problem exists.
(Add terminating resistors.)
Out of 100 to 120
Ω
(Error)
Yes
Other
Approx.
220
Ω
10 to 100
Ω
Under 10
Ω
No
(1) Unconnected or loose connector
(2) Cable disconnection, etc.
(1) Three or more
terminating resistors
(2) Wrong terminating
resistors, etc.
Short circuit
between signal
wires
Check for cable laying.
Find the trouble point.
Check for connection
of terminating resistors.
Check that
terminating resistors
are connected.
Measure resistance
with tester.
100 to 120
Ω
Remove one terminating
resistor on either side.
Check for short
circuit between
signal wires.
Содержание RC700
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Страница 12: ...Table of Contents x RC700 RC90 Option Fieldbus I O Rev 14 ...
Страница 74: ...2 Installation 62 RC700 RC90 Option Fieldbus I O Rev 14 17 DeviceNet Slave is connected and the icon appears ...
Страница 165: ...2 Installation RC700 RC90 Option Fieldbus I O Rev 14 153 PCI CIFX 50 RE PCI Express CIFX 50E RE ...
Страница 183: ...2 Installation RC700 RC90 Option Fieldbus I O Rev 14 171 17 EtherNet IP Slave is connected and the icon appears ...
Страница 340: ...5 Maintenance Parts List 328 RC700 RC90 Option Fieldbus I O Rev 14 ...