Eberle Design LMA-1200-120 Operating Instructions Manual
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Rev. B – 09/18/03Operating InstructionsLMA-1200 “DEFLECTOMETER” SeriesSingle Channel – Dual Output – Inductive Loop Vehicle Detectors1. Connect to proper source voltageVerify source voltage before applying power. The “Pin Assignment” side label indicates the input power required for each model and indicates either Fail Safe operationor Fail Secure operation.MODELS 12 VDC to 24 VDC or 24 VAC 120 VAC 240 VAC Fail Safe Fail SecureLMA-1200-LV ● ●LMA-1200-120 ● ●LMA-1200-240 ● ●LMA-1200S-LV ● ●LMA-1200S-120 ● ●LMA-1200S-240 ● ●FAIL SAFE OPERATION FAIL SECURE OPERATIONOUTPUT RELAY POWER FAILURE LOOP FAILURE POWER FAILURE LOOP FAILUREA CALL Output CALL Output No Output No OutputB No Output No Output No Output No Output2.DEFLECTOMETER IndicationsSTATUSDEFLECTOMETER0, 1, 2, 3, 4, 5, 6, 7, 8, 9 Sensitivity Meter (4, 5 & 6 = Optimum Sensitivity Setting for Loop & Lead-in Network)d 2-Second Delay TimingE 0, 2, 5 or 10 Second Extension TimingF Current “Real Time” Loop Failure3. LED IndicationsSTATUS POWER LED OUTPUT A LED OUTPUT B LED LOOP FAULT LEDOFF No Power Output OFF Output OFF Loop GoodON Normal Power Output ON Output ON N/A2 Hz Flash N/A 2-Second Delay Timing 2-Second Delay Timing N/A4 Hz Flash N/A 0, 2, 5, or 10 SecondExtension Timing0, 2, 5, or 10 SecondExtension TimingN/A1 Flash Insufficient LinePower“Real Time” Open Loop “Real Time” Open Loop “Real Time” Open Loop if Outputs A & B are flashing.“Prior” Open Loop if Outputs A & B are not flashing.2 Flashes N/A “Real Time” Shorted Loop “Real Time” Shorted Loop “Real Time” Shorted Loop if Outputs A & B are flashing.“Prior” Shorted Loop if Outputs A & B are not flashing.3 Flashes N/A “Real Time” 25% InductanceChange“Real Time” 25% InductanceChange“Real Time” 25% Change In Inductance if Outputs A & B are flashing.“Prior” 25% Change In Inductance if Outputs A & B are not flashing.4. Rear Panel DIP Switches and Rotary Switch2-Position DIP Switch – Loop FrequencySWITCH LO MEDIUM – LO MEDIUM – HIGH HIGH FACTORY DEFAULT1 ON OFF ON OFF OFF2 ON ON OFF OFF OFFLoop Frequency (DIPS 1 & 2) is controlled by the rear panel 2-Position DIP switch. On occasion, loops are placed in close proximity; it is necessary to select a differentfrequency level for each loop to avoid loop interference (crosstalk). Four (4) frequencies are selectable, HIGH being the factory default. Press reset after changing sensitivitysetting.8-Position DIP Switch - Detector Parameter OptionsSWITCH ON OFF FACTORY DEFAULT1 Sensitivity Boost No Sensitivity Boost OFF2 Output A – Limited Presence Output A – Infinite Presence OFF3 2-Second Delay Timing No 2-Second Delay Timing OFF4 OFF5See “Extension Timing” Table Below (Switches 4 & 5)OFF6 OFF7See “Output B Relay Configurations” Table Below (Switches 6 & 7)OFF8 Reserved N/AExtension Timing (Switches 4 & 5)SWITCH 0-Seconds 2-Seconds 5-Seconds 10-Seconds4 0FF ON OFF ON5 0FF OFF ON ONOutput “B” Relay Configurations (Switches 6 & 7)SWITCH Pulse On Entry Pulse On Exit Presence (Duplicates Output A) Fault Output6 0FF OFF ON ON7 0FF ON OFF ON |
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