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IntelliPoint RF RML Series
5.7
Testing Remote Cable
5.8
Testing Power Supply
OHMMETER
0
OHMMETER
0
Power supply can be tested separately as follows:
A. Remove power from electronic unit.
B. Remove three screws holding circuit board into housing.
C. Disconnect sensing element connection. Refer to Figure
2-7 or 2-8.
D. Reapply power.
E. Using a DC voltmeter, measure voltage from -5 to
Common and +5 to Common. Correct readings are -5 to -6
and +5 to +6 Vdc. See Figure 5-5.
Figure 5-5
Testing Power Supply
VIEW INTO CUSTOMER
CONNECTIONS SIDE
"0"
CENTER - GROUND
"0"
CENTER - SHIELD
"0"
SHIELD - GROUND
SHORTED WIRES SHOULD READ 0 OHMS
CHECK FOR CONTINUITY
CENTER - GROUND
CENTER - SHIELD
SHIELD - GROUND
CORRECT READING = OPEN CIRCUIT
CHECK FOR SHORTS
Figure 5-4
Testing Remote Cable
Power Supply Voltages
data
- 5
Common
26
Troubleshooting
OHMS
OHMS
OHMS
SHORT OUT
TWO CONDUCTORS
OHMS
OHMS
OHMS
NO CONNECTION
NC
NC
+ 5
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