I/O module

1 full-bridge strain gauge input

B&R ID code

0xA4EF

Status indicators

Channel status, operating state, module status

Diagnostics

Module run/error

Yes, using LED status indicator and software

Open circuit

Yes, using LED status indicator and software

Input

Yes, using LED status indicator and software

Power consumption

Bus

0.01 W

Internal I/O

0.5 W

Additional power dissipation caused by actuators (resistive) [W]

Max. +0.36

Certifications

CE

Yes

UKCA

Yes

ATEX

Zone 2, II 3G Ex nA nC IIA T5 Gc
IP20, Ta (see X20 user's manual)
FTZÚ 09 ATEX 0083X

UL

cULus E115267
Industrial control equipment

HazLoc

cCSAus 244665
Process control equipment
for hazardous locations
Class I, Division 2, Groups ABCD, T5

KC

Yes

Strain gauge factor

2 to 256 mV/V, configurable using software

Connection

4- or 6-wire connections

Input type

Differential, used to evaluate a full-bridge strain gauge

Digital converter resolution

24-bit

Conversion time

Depends on the configured data output rate

Data output rate

0.1 - 7500 samples per second, configurable using software (fDATA)

Input filter

Cutoff frequency

5 Hz

Order

3

Slope

60 dB

ADC filter characteristics

Sigma-delta, see section "Filter characteristics of the sigma-delta A/D converter"

Operating range / Measurement sensor

85 to 5000 Ω

Influence of cable length

See section "Calculation example".

Input protection

RC protection

Common-mode range

0 to 3 VDC
Permissible input voltage range (with regard to the electric potential strain gauge GND) on inputs "Input +" and "Input -"

Insulation voltage between input and bus

500 Veff

Conversion procedure

Sigma-delta

Output of digital value

Broken bridge supply line

Value approaching 0

Broken sensor line

Value approaching ±end value (status bit "Line monitoring" is set in register "Module status")

Valid range of values

0xFF800001 to 0x007FFFFF (-8,388,607 to 8,388,607)

Strain gauge supply

Voltage

5.5 VDC / Max. 65 mA

Short-circuit and overload-proof

Yes

Voltage drop for short-circuit protection

Max. 0.2 VDC at 65 mA and 25°C

Quantization

LSB value (16-bit)

2 mV/V

336 nV

4 mV/V

671 nV

8 mV/V

1.343 µV

16 mV/V

2.686 µV

32 mV/V

5.371 μV

64 mV/V

10.74 μV

128 mV/V

21.48 μV

256 mV/V

42.97 μV

LSB value (24-bit)

2 mV/V

1.31 nV

4 mV/V

2.62 nV

8 mV/V

5.25 nV

16 mV/V

10.49 nV

32 mV/V

20.98 nV

64 mV/V

41.96 nV

128 mV/V

83.92 nV

256 mV/V

167.85 nV

Temperature coefficient

Rev. ≥E0

10 ppm/°C

Rev. <E0

30 ppm/°C

Max. gain drift

12 ppm/°C

Max. offset drift

2 ppm/°C

Nonlinearity

<10 ppm

Electrical isolation

Bus isolated from analog input and strain gauge supply voltage
Channel not isolated from I/O power supply

Mounting orientation

Horizontal

Yes

Vertical

Yes

Installation elevation above sea level

0 to 2000 m

No limitation

>2000 m

Reduction of ambient temperature by 0.5°C per 100 m

Degree of protection per EN 60529

IP20

Temperature

Operation

Horizontal mounting orientation

-25 to 60°C

Vertical mounting orientation

-25 to 50°C

Derating

See section "Hardware configuration"

Storage

-40 to 85°C

Transport

-40 to 85°C

Relative humidity

Operation

5 to 95%, non-condensing

Storage

5 to 95%, non-condensing

Transport

5 to 95%, non-condensing

Note

Order 1x terminal block X20TB12 separately.
Order 1x bus module X20BM11 separately.

Pitch

12.5+0.2mm

X20BM11

X20 bus module, 24 VDC keyed, internal I/O power supply connected through

X20BM15

X20 bus module, with node number switch, 24 VDC keyed, internal I/O power supply connected through

X20TB12

X20 terminal block, 12-pin, 24 VDC keyed