Epson EM07ZS1647F Specifications Page 111

  • Download
  • Add to my manuals
  • Print
  • Page
    / 168
  • Table of contents
  • TROUBLESHOOTING
  • BOOKMARKS
  • Rated. / 5. Based on customer reviews
Page view 110
4. Troubleshooting (DeviceNet)
Process Flowchart
Check that
terminating resistors
are connected.
Measure resistance
with tester.
50 to 70
Normal
See 4.1.3.2.
Turn OFF communications power supply.
Normal
Resistance: over 70
Remove one terminating
resistor on either side.
Measure
resistance at
connectors and
branch taps with
tester.
Resistance: under 50
Problem exists.
(Add terminating resistors.)
Out of 50 to 70 (Error)
Yes
Other
A
pprox.
120
10 to 50
Under 10
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
with terminating resistors
and branch taps.
Check for shor
t
circuit between
signal wires.
Fieldbus I/O Rev.6 99
Page view 110
1 2 ... 106 107 108 109 110 111 112 113 114 115 116 ... 167 168

Comments to this Manuals

No comments