Amplifier module

Type

CA1030

Accuracy class

0.1

Carrier frequency

600

Number of measurement channels

10 (plus 1 compensation channel)

Bridge excitation voltage 1)

0.5; 1.0; 2.5 (global changeover for all channels)

Measuring ranges

mV/V

20; 10; 4 (acc. to bridge excitation voltage)

Measurement resolution

bits

up to 23

Sampling rates 2)

1/s

1; 2; 5; 10; 20; 25; 30; 37.5; 50; 60; 75; 100; 150; 200; 300

Filter type: Bessel; extended filters from firmware version P5.18, see table „Filter extensions“, last page

Nom. value (Hz)

−3 dB

(Hz)

−1 dB

(Hz)

Delay- time (ms)

Internal Sampling rate 4) (Hz)

25

10

5

2.5

1.25

0.6

0.15

0.08

0.04

23.2

10.43

5.08

2.523

1.259

0.6297

0.1623

0.0811

0.0406

13.1

5.94

2.90

1.439

0.718

0.359

0.0910

0.0455

0.0227

13.3

33.3

76.7

163.3

336.6

683.3

1712

3411

6814

300

300

150

75

37.5

18.75

300

300

150

Additional phase delay

resulting from CANbus data transmission, depending on the

number of CANHEADs assigned on the ML74B.

Number

1 2 3 4 5 6 7−12

ms

6.67 13.33 20.0 26.7 33.3 40.0 80.0

Noise

Filter 3)

Noise, typ. (peak−peak) of the measuring range

Hz

%

25

0.015

10

0.009

5

0.006

2.5

0.004

1.25

0.003

Power supply (electrically isolated in the amplifier)

V

10...36

Insulation resistance (supply to SG connection, CAN bus or housing)

V

50

Power consumption

Module (without SGs)

Module with max. SG count

W W

typ. 1

typ. 1.8

CAN bus interface

Baud rate

kBaud

250

Bus length, max. (see table on next page, top)

m

250

Number of base modules on the bus, max.

12 (=120 channels)

Synchronization

all the bus nodes are synchronized phase−locked with defined CAN messages

Insulation resistance

50

Mechanical system and environment

Connection to base module

all connections via a 64−pin VG strip (DIN 61412)

Dimensions (w x l x h), approx.

mm

118 x 71 x 23

Weight, approx.

g

120

Temperature range Operation Storage

oC oC

−30 ... + 70

−30 ... + 70

Perm. rel. humidity, non−condensing

%

10 ...90

Degree of protection

not relevant, as plug−in module

Maximum configuration

per ML74B

per MGC system (max. two ML74B)

max. 12 CANHEADs (120 SG measuring points) max. 24 CANHEADs (240 measuring points), any desired

number of cascadeable MGCplus