Charge Amplifier DACU 820 Features • Multi-range charge amplifier for industrial application • 4 selectable ranges channel 1 3 fixed ranges 100'000 pC - 500'000 pC 1 variable range 100'000 pC - 500'000 pC • 4 fixed ranges channel 2 4 fixed ranges 2'000 pC - 20'000 pC • Adjustable limit value with switching output • Peak value and test function • Serial RS 232 interface Electrical Data Order Code Voltage supply10...40 VDC DACU 820-2.0-500BS Capacity draw< 1,5 W (1) Measuring range channel 1±100'000...500'000 pC Measuring range channel 2±2'000...20'000 pC Output signal±10 V Included Characteristic curve deviation • Mounting screws 2 pcs. M4 x 16 < 1% FS Linearity< 0,02%FS Output offset< ±5 mV Noise voltage< 5 mVpp (0,1 Hz...100 kHz) (2) Dimensions (mm) Output impedance10 Ω Reset operate offset< ± 10 mV Drift< 0,03 pC/s at 23 °C (3) Frequency range (-3 dB)0...20 kHz (4) Control input± 5 V...± 45 V, galv. separated Switching outputmax. 45 V, max. 100 mA galv. separated (1) < 55 mA at 24 V (2) < 20 mVpp in the 2000 pC range (3) DACU at least 30 min attached to operational voltage (4) @ 2'000 pC...100'000 pC; > 2 kHz @ 500'000 pC All specifications at ambient temperature (23°C ±2°C) Mechanical Data Control connection25 pin D-Sub Sensor connectionBNC male Enclosure materialAluminum die cast Environmental Conditions Operating temp. range-5...+60 °C Storage temperature-20...+80 °C Protection classIP 40 EMC EN 61000-6-2 immunity EN 61000-6-4 emission 9.6 www.baumer.com DACU 820 Electrical Connections D-Sub 25 Measuring Range Selection Pin Function Range CH1 1 Signal out CH1 A1 2 Peak out 0 0 500'000 3 Level 1 (In or Out) 0 1 200'000 4 Level 0 (In or Out) 1 0 100'000 5 Range B1 (CH2) 1 1 100'000...500'000 6 Range B0 (CH2) Range CH2 7 Range A1 (CH1) B1 8 Range A0 (CH1) 0 0 20'000 9 Supply GND Measuring Range A0 pC/10V B0 0 1 10'000 10+Supply 1 0 5'000 11 Code 2 1 1 2'000 12 Code 0 13 Code Supply + 14 Signal GND 15 Alarm 1 (CH1) 16 Alarm 0 (CH1) Accessories Connecting cable with open end 17RX 18TX 19 Com Logic Input 20Operate 80% Test 22 Supply GND 23 Signal out CH2 24 Code 1 25 Com Logic Output (Alarm) Control Elements 50 L 21 Length (L) Order code 5 m DZCS 05/DACU 8 9 Range Adjustment of variable range L0 Adjustment of value 1. The limit switch voltage can be set with the potentiometer and has to be measured at pin 4. Alternatively a voltage can be supplied as well. L1 Adjustment limit value 2. ditto, pin 3 only www.baumer.com 9.7