5-28
Termination Panel RS-485 Communication Test, Cont.
Generally speaking, these tests performed on the Termination Panel will
only verify incorrect or damaged wiring. If all previous testing passed, and
all wiring, jumper and terminations have been verified correct, the
Termination Panel may need replaced, but does not typically fail. Contact
Totalflow Customer Service. See “Getting Help” in the introduction of this
manual for instructions.
Instructions
Step Procedure
1.
Using an oscilloscope, measure Line Driver voltage on XRC-195
Board J6 between:
COMM 1 or 2, Pin 6 or 7 (BUS-) and Pin 8 or 9 (BUS+)
When the unit is receiving data from Host, voltage should vary
b5 VDC and 0 VDC. This would indicate that the unit is
receiving data.
2.
Using an oscilloscope, measure Remote Request to Send
voltage XRC-195 Board J6 between:
COMM 1 or 2, Pin 2 (Ground) and Pin 5 (RRTS)
When the unit is transmitting data, voltage should vary between
+5 VDC and 0 VDC. This would indicate that the RRTS is
working correctly.
3.
If any inaccuracy exists, investigate wiring errors or damaged
wires.
If a communication problem still exists, and the unit has passed the tests
in steps 1 and 2, additional testing will be required. Call Totalflow
Technical Support for additional help.
Содержание XRC6490
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Страница 20: ...1 6 Standard Enclosure Cont 18 00 15 52 RC 6890 X 28 81 15 52 28 00 20 09 18 70 Figure 1 3 Model XRC6890 ...
Страница 24: ...1 10 XRC 195 Board Specifications Cont Figure 1 5 Complete View XRC 195 Board Continued on Next Page ...
Страница 41: ...1 27 Totalflow Input Output Modules Cont Figure 1 16 XRC6990 Inside View ...
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Страница 56: ...2 14 AC Charging Unit Installation Cont Figure 2 12 DC Wiring Instructions Figure 2 13 AC Wiring Instructions ...
Страница 63: ...2 21 XRC Communication Jumper Settings and Field Wiring Cont Figure 2 19 Other Field Wiring I O Connections ...
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Страница 86: ...4 12 Replacing XRC 195 Board Cont Figure 4 5 XRC Board Connections ...
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Страница 112: ...5 24 12V Communication Supply Voltage Test Cont Figure 5 9 XRC 195 Communication Wiring ...
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