halstrup-walcher PUC 28 Instruction Manual
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Contents
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Instruction Manual PUC 284510 Technical dataMeasurement datameasurement range -100 to +100 Pa or -250 to +250 Paaccuracy 0.5 % of the measurement range + 0.3 Paresolution 0.1 Paamplitude drift per temperature 0.03 %/K (+10 °C...+50 °C)overload capability 200-timesAmbient conditionsmedium air, all non-aggressive gasesoperating temperature +10 °C to +50 °Cstorage temperature -10 °C to +70 °Cconformity Declaration of conformity available uponrequestElectrical datapower consumption 7 VAsupply voltage 24 VDC (± 10 %)electrical connections PTR: STLZ1550/14-3.81H (signal)PTR: STLZ950/7-5.08H (relay)Binder: 79-4450-20-05 (Profibus DP)output signal 0 … +10 V (RL ≥ 2 kΩ) or0 … 20 mA (RL ≤ 500 Ω) or4 … 20 mA (RL ≤ 500 Ω)input signals (2x) 0 … +10 V (Ri = 470 kΩ) or0 … 20 mA (Ri = 51 Ω) or4 … 20 mA (Ri = 51 Ω)Relays2 x changeover contacts(optionally not present)6 A / 230 VAC eachTable 24: Technical data11 TroubleshootingProblem Cause Corrective actionDisplay shows nothing No power Check the terminalconnections and supplyvoltagePressure drops continuously Leak Firmly slide tubing completelyonto ports; adjust diameterNo Profibus communication No cable connection Firmly seat connector; checkterminating resistorIntermittent acoustic signal Alarm triggered Confirm using any keyTable 25: TroubleshootingOperating the PUC 28 at room temperature (20°C) ensures the highestpossible level of accuracy for pressure measurements. |
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