Hottinger Baldwin Messtechnik AD101B User Manual

AD101B

Digital transducer
electronics

Data Sheet

AD101B Amplifier PCB

Functional diagram

Special features

− DC Amplifier PCB for Strain gage

transducers

− For static and dynamic

applications

− Direct computer connection via

RS-232 interface

− Test certificate for 6000 digits

class III available

− High transmission rate and

resolution

− Memory for users settings

Strain gage
transducer

AD101B

Calibration
Measuring mode
Zero

A

D

EEPROM

Linearization
Serial-Number
Digital filter
Measuring rate
Sensitivity
Zero setting

mP

Digital I/O

5...10 V
External voltage stabilization

Computer

RS-232

1200 ... 38400 baud

Specifications

mV/V

(Full bridge)

Transducer connection

6-wire circuit

Transducer connection

6-wire circuit

Type AD101B
Accuracy class 0.015
Number of trade values, acc. to EN 455501 (R76)

(with internal calibration)
Input sensitivity µV/e 1
Measuring range
Input signal range
Measuring signal resolution, max. bit 20 (at 1 Hz)
Measuring rate (depending on output format and baud rate) Hz 600 ... 4.7
Cut-off frequency of the digital filter (−3 dB), adjustable Hz 40 ... 0.25
Bridge excitation voltage U

(Excitation from supply voltage)

Measuring signal input, Strain gage transducers

B

d 6000

± 2.0
± 3.0

V

DC

Ω ≥40...4000

5 ... 10 (= supply voltage!)

1)

Input resistance (differential)

Transducer cable length m ≤ 100, in case of calibration incl. cable
Interface cable length RS-232 m ≤ 15 (25 pol. female connector)
Calibration signal mV/V 2± 0.01 %
Temperature stability of the calibration signal ppm/°C
Linearity error (related to full scale) % ±0.01
Temperature effect on

zero point (related to full scale)
measuring sensitivity (related to actual value)

Interface RS-232
Baud rate, adjustable bit/s 1200 ... 38400

Supply voltage V
Current consumption (without load cell) mA ≤ 80

Temperature range:
Nominal temperature
Service temperature
Storage temperature

Dimensions mm 93 x 53 x 17
Weight, approx. g 40
Degree of protection according to EN 60529 (IEC 529) IP00

1)

Depending on the external supply voltage

MΩ

%/10K

DC

°C [°F]

typ. ± 0.005; max. 0.01
typ. ± 0.005; max. 0.01

residual ripple ≤10 mV (p.p.)

−10...+40[+14...+104]

>15

v2.5

5 ... 10

−20...+60[−4...+140]

−25...+85[−13...185]

Accessories, to be ordered separately

Basic devices AED9101C, AED9201B (see separate Data Sheets) offering:

− EMC protection

− Degree of protection IP65

− Supply voltage range 6...30 V

− Additional interfaces

− Electrically isolated in- and outputs

Documentation

− 1-FIT-AED-DOC (CD-ROM with operating manual and AED_Panel32 panel program

 Hottinger Baldwin Messtechnik GmbH.
Modifications reserved. All details describe our products in
general form only. They are not to be understood as express
warranty and do not constitute any liability whatsoever.

Hottinger Baldwin Messtechnik GmbH

Im Tiefen See 45 ⋅ 64293 Darmstadt ⋅ Germany
Tel. [phone] ⋅ Fax: [phone]
Email: [e-mail] ⋅ www.hbm.com

B0946-4.1 en