Rice-lake 880 Performance Series Indicator/Controller Operat Uživatelský manuál stáhnout pdf (Strana 32)

Appendix 28

3.2 Specifications

Power

Line Voltages Input Voltage – 100-240VAC, 9-36VDC

Input Frequency – 47-63Hz

Power Consumption AC: 15 watts

DC: 20 watts

Analog Specifications

Full Scale Input Signal -45 mV to +45 mV

Excitation Voltage 10 VDC ±,

8 x 350 or 16 x 700 load cells

Sense Amplifier Differential amplifier with

4- and 6-wire sensing

Analog Signal Input Range -45 mV to 45mV

Analog Signal Sensitivity:

0.3 μV/graduation minimum @ 7.5 Hz

1.0 μV/graduation typical @ 120 Hz

4.0 μV/graduation typical @ 960 Hz

A/D Sample Rate: 7.5 – 960Hz, software selectable

Input Impedance 200 M, typical

Noise (Usable Minimum

LSB) 0.3 V p-p

Internal Resolution 8 000 000 counts @ 23 usable bits, approximate

Display Resolution 100 000 dd

Input Sensitivity 10 nV per internal count

System Linearity ±0.01% of full scale

Temperature

Zero ±150 nV/°C, maximum

Span ±3.5 ppm/°C, maximum

Calibration Method Software, constants stored in EEPROM

Common Mode Voltage ±0.8V in unbalanced condition

Common Mode Rejection120 dB minimum @ 50 or 60 Hz

Input Overload ± 12 V continuous, static discharge protected

EMI/RFI Protection Signal, excitation, and sense lines protected by capacitor bypass

and filtering elements

Optional Analog

Output Fully isolated, voltage or current output

Voltage output: 0 –10 VDC

Load resistance:1k minimum

Current output: 0-20 mA or 4–20 mA

External loop resistance: 500 maximum

Digital I/O

I/O Channels Up to 4, 5V/TTL, Active Low (0V), each software configurable as

input or output

Relay Supply Voltage 5 VDC, 500mA maximum

Input Voltage 0–5.5V maximum

Digital Outputs Active low, sink up to 24mA per output.

1 2 ... 27 28 29 30 31 32 33 34 35 36

Komentáře k této Příručce

Žádné komentáře

Rice-lake 880 Performance Series Indicator/Controller Operat Uživatelský manuál Strana 32

Komentáře k této Příručce

Související produkty a manuály pro Váhy Rice-lake 880 Performance Series Indicator/Controller Operat