D u a l
•
•
84608-01
9
LVDT PRIMARY WIRING OK TEST [CONT]
TO
L VDT
LYOT ,POTI I RECORD !ROWS
CHA
C
H
B
co,k4
REC141-i
S I GNAL
INPUT MODULE
LVDT Open Secondary OK Test
CAUTION
Tests will cause valve indication on
tested channel to be invalid. Only if
Timed O K / Channel Defeat i s
enabled will the Not OK channel's
bargraph be clamped to zero.
/!\ WARNING
High Voltage present
Could cause shock, bums
or death.
Do Not touch exposed
wires or terminals.
1. With both transducers connected verify the
OK
LEDs are
ON.
If
only one channel is being used, Bypass the unused channel (section
8).
2. Disconnect the "3 (S)" or the "6" wire from the Channel A terminal
on the Signal Input Module or
at the LVDT.
3. Verify that the OK LED for Channel A is off and that the OK Relay
is de-energized. Note: All other channels in the rack must be OK or
bypassed in order for the relay to change states.
4. Connect the "3 (S)" or "6" wire to the appropriate terminal of
Channel A and verify the OK LED turns ON and the "OK Relay" is
energized. System Reset is required if the indicator is configured for
Latching OKs or Timed OK / Channel Defeat.
5. Repeat the above for Channel B.
1 0 . 0 0 .
EGA,L V A L V E , C S I T I O N
1 1 = 1 0 . 0 1 1 1 .
0
0
k.7 " 5
. 0 0 0 0 1 = 1 • = 1 . 6
•
17
Summary of Contents for 3300/70
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Page 25: ...Dual Valve Position Indicator Maintenance 8 4 6 0 8 0 1 Blank Page i v...
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