Response Electronics CL6011B Especificaciones Pagina 119

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6-5Data Highway Cards
Original — December 1991 UM4.6:CS6003
6.2.2 Calibration Procedure
Use the following procedure to calibrate the card:
Step 1: Verify that the calibrator ON/OFF switch is OFF.
Step 2: Insert the power converter card into the test slot labeled MUX
POWER CARD.
Step 3: Connect a jumper between test point TP1 and the common
(COM) test jack on the front of the power converter card.
Step 4: Set the calibrator ON/OFF switch to ON.
X00645–A
R26 +5V Adjustment
On LED (Green)
+15V Test Jack
+5V Test Jack
Common (Ground)Test Jack
–12 Volt Test Jack
–30 Volt Test Jack
R11 +15V Adjustment
TP1
R19 SUPV Adjustment
R15
Figure 6-2. Power Converter Card (for Highway Devices) PN41B0985
Step 5: Disconnect the jumper and wait five minutes for the card
outputs to stabilize.
Step 6: Connect a voltmeter between test point TP1 and ground
(GND) test jack on the power converter card. The voltmeter
should read 3.690
± 0.015 volts dc. If not, adjust the SUPV
(R19) potentiometer on the power converter card to obtain the
proper reading.
Step 7: Connect a jumper between R15 (end closest to front edge)
and GND test jack on the power converter card.
Step 8: Adjust the +5 VOLT (R26) potentiometer for a reading of
4.850 volts dc on the 5 volt dc output. The calibrator RESET
TEST and RELAY TEST and the ON indicator on the power
converter card should go out. If not, the power converter card
requires repair.
Step 9: Adjust the +5 VOLT (R26) potentiometer on the power
converter card until the voltmeter reads at least 4.910 volts dc
and the ON indicator on the power converter card and RELAY
TEST and RESET TEST indicators on the calibrator light.
6
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