5-22
Communications Overview, Cont.
12V
Communication
Supply Voltage
Test
START
Does Unit
Respond to Host
Comm Request?
RS-232
Communication
Test
YES
NO
Verify unit
ID#, Security
Code and
Protocol are
Correct.
NO
YES
Verify jumper
and terminal &
pin wiring are
correct.
END
Transceiver
Supply voltage
within Specs?
YES
Voltage supply
from XRC unit
> 11.9 VDC?
NO
Investigate
Power Supply
Issues
Figure 5-1
Transceiver
Comm Check
Substitute
Communication
Test Cable
Transceiver
Supply voltage
Test
Investigate
Transceiver
Issues
Unit Respond to
Host Comm
Request?
YES
NO
RS-485
Communication
Test
Is
Communication
RS-232?
YES
NO
Is
Communication
RS-485?
YES
NO
Contact
Totalflow
Technical
Support
Does Unit
Respond?
NO
YES
Test Passed?
NO
YES
Figure 5–8 Communication Troubleshooting Flow Chart
Summary of Contents for XRC6490
Page 1: ...2100802 001 AB TOTALFLOW XSeries Remote Controller User s Manual ...
Page 6: ...iv B B Bl lla a an n nk k k P P Pa a ag g ge e e ...
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Page 19: ...1 5 Standard Enclosure Cont RC 6790 X Figure 1 2 Model XRC6790 Continued on Next Page ...
Page 41: ...1 27 Totalflow Input Output Modules Cont Figure 1 16 XRC6990 Inside View ...
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Page 64: ...2 22 B B Bl lla a an n nk k k P P Pa a ag g ge e e ...
Page 86: ...4 12 Replacing XRC 195 Board Cont Figure 4 5 XRC Board Connections ...
Page 88: ...4 14 B B Bl lla a an n nk k k P P Pa a ag g ge e e ...
Page 112: ...5 24 12V Communication Supply Voltage Test Cont Figure 5 9 XRC 195 Communication Wiring ...
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Page 340: ...B 48 B B Bl lla a an n nk k k P P Pa a ag g ge e e ...
Page 342: ...C 2 B B Bl lla a an n nk k k P P Pa a ag g ge e e ...