Paul Wegener PWBlogg, Руководство по эксплуатации, Страница: 10 / 16

Paul Wegener GmbH
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4 Technical specifications
Case stainless steel, approx. Ø 60 x 177 mm
Degree of protection IP67
Transducers
pressure transducer DS1/40 0...50 bar up to 0...70 bar
optional: temperature transducer (internal/external) -20...60°C
Data memory 256kB, up to 3,8 MB
Threshold adjustable upper and lower limit value and hysteresis
Sample rate freely adjustable 1s up to 1h
AD converter 8 bit (256 digital levels, ±½ LSB)
12 bit (4096 digital levels, ±1LSB)
14 bit (16384 digital levels, ±1LSB)
16 bit (65536 digital levels, ±1LSB)
Real time clock deviation 5 ± 23 ppm (∆f/f0) at 25°C
Storage mode ring memory mode(overwrites oldest data at full memory or linear memory
mode (stops at full memory)
Interface serial interface, 9600 Bd, max. 115200 Bd
when reading data
Power supply 7,2V lithium ion accumulator (3100 mAh)
7,2V lithium battery (2100mAh), optional
Operating/storage
Temperature -20..60°C
• Explosion protection II 3G Ex ec [ic Gc] IIC T4 Gc X (optional)
• Environment -20°C ≤Ta ≤ 60°C
Electrical parameters for intrinsically safe status and counting inputs (maximum values per circuit):
Voltage U0: 9,2 V
Current I0: 9,3 mA
Power P0: 21,4 mW
Capacitance Ci: 1 nF
Inductance Li: insignificant
Maximum allowed external capacitance and inductance at ignition protection Ex ic IIC:
Capacitance C0: 36 µF
Inductance L0: 925 mH
Please note the regulations for the wiring of intrinsically safe circuits!
4.1 Data memory
Storage times of the internal memory result from the number of channels occupied, from preset sample inter-
vals 1 and 2 as well as from storage and sample mode. If the reading resolution is > 8 bit (12, 14 or 16 bit),
possible storage times will halve themselves.