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Altimeter Encoder option of the ADTS 405. Further information and warnings are contained in the main user manual for the ADTS 405. Software Version This publication is correct for software DK0127 issue No. 4.xx and above. Associated Druck Publications Document Number Description K0114...
1.1 Specification Parameter Value 11 bits, D2 to C4 Input HC CMOS inputs with input protection. (internally “pulled up” to +5V) +24 V DC, 600 mA (maximum) to supply power to the altimeter encoder and Output vibrator. Connector Rear panel (rack unit) 15-way D-type Front panel Deutsch Ltd.
Table 1: Front Panel Connector(Continued) Pin No. Function D2 MSB Common (0V) signal Common (0V) power +24 V Vibrator +24 V Encoder Note: C4 is the least significant bit and D2 the most significant bit; unused most significant bits can be left open circuit. 2.3 Cable Assembly A standard cable assembly is supplied as part of the altimeter encoder option.
Note: Druck Part No. ADTS405-1728-35-M0 2.4 Rear Panel Connector The rear panel connector is a 15-way, D-type, the pin identification and function are as follows: Table 3: Rear Panel Connector 15-way,D-type Function Connector Pin No. C4 LSB D2 MSB Common (0V) Signal...
This optional 6 meter cable for AAU-32 encoder units (MIL-A-81852A) can be supplied as follows: Table 5: Optional Cable Details for AAU-32 Units Item Part No. Optional cable assembly for AAU-32 units Druck Part No. ADTS405-1891-61-M0 NSN 6625-01-435-6341 Front panel connector Deutsch Ltd. Part No. AS612-35PN-903M AAU-32 connector Deutsch Ltd.
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Press SAVE, then repeatedly press QUIT until the display shows the following: 5000 5000< D2 to C4>00001010010 CODE 5000 WARMUP Controlled or measured parameter. Aim (set-point or target) in control mode, or “Leak Measure” when the pressure controller is off. Measured value.
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Faulty altimeter. 3.2.2 Bit Pattern All Zeros 5000 5000< D2 to C4>00000000000 CODE ENCODER ERROR Possible causes: Altimeter not connected. Altimeter switched off. Altimeter strobe (transponder) input not grounded. Faulty altimeter. 3.2.3 Stuck Digit in Bit Pattern If one digit remains unchanged with changing pressure the possible causes would be: Cable fault - check continuity (refer to Table 2 or Table 4).
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