S-99 POWER SUPPLY REPAIR
INTRODUCTION
OLD POWER SUPPLY THAT MUST BE REPLACED
Replacements required for these obsolete Power supply units:
Terminal outputs on GPC225 Power supply. From datasheet (PDF).
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- CONDOR mod GPC225-28 -- 28 Vdc
- CONDOR mod GPC225-24 -- 24 Vdc
- Datasheet -- Local copy
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REPLACEMENT POWER SUPPLY, RECOMMENDED BY ZLS
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- TDK-Lambda mod GWS250-24
- Input: 85-264Vac max 3.3A
- Output 24Vdc, max 10.5A
- Adjust range: 22 - 28.8V
- Ripple noise: 150mV
- Efficiency typ, 230Vac input: 92%
- Data sheet: PDF - Also local copy
- Instruction manual: PDF - Also local copy (PDF)
- Supplier: RS p/n: 747-0881
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CHECK AFTER REPLACEMENT
POWER CABLE WIRING -- L&R Update with GyroPack/FogPack -- ZLS_018 (Rev 1-5) -- From manual p. 50
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- Measure on 25 pin D-SUB F-connector on front panel.
- Pin 4: +24Vdc to sensor heater & cheater motor: Measure 0 ohm to power supply output.
- Pin 5: +28Vdc to Gyro: This signal is switched ON/OFF so you cannot measure resistance to 28Vdc output on power supply.
- Pin 6: -28Vdc: Measure 0 ohm to power supply output.
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MISC
Replacement Power supply alternatives
MUST BE EVALUATED: Perhaps these PS-modules can replace the old Condor 24 and 28 Vdc power supplies: TRACO POwer TPI 300-M series, 300 W (PDF)