SB 1231 热电偶信号板

Supply voltage

Rated value (DC)

• ● 24 V DC

Yes

Input current

Current consumption, typ.

5 mA

from backplane bus 5 V DC, typ.

20 mA

Power loss

Power loss, typ.

0.5 W

Analog inputs

Number of analog inputs

1; Thermocouples

permissible input voltage for current input (destruction limit), max.

± 35 V

permissible input voltage for voltage input (destruction limit), max.

+-35 V

Technical unit for temperature measurement adjustable

Degrees Celsius/degrees Fahrenheit

Input ranges

• ● Voltage

Yes

• ● Current

No

• ● Thermocouple

Yes; J, K, T, E, R & S, B, N, C, TXK/XK(L); voltage range: ±80 mV

• ● Resistance thermometer

No

• ● Resistance

No

Input ranges (rated values), voltages

• ● -80 mV to +80 mV

Yes

• ● Input resistance (-80 mV to +80 mV)

≥1 MOhm

Input ranges (rated values), thermocouples

• ● Type J

Yes

• ● Input resistance (type J)

1200 °C

• ● Type K

Yes

• ● Input resistance (Type K)

1372 °C

Thermocouple (TC)

Temperature compensation

• — parameterizable

No

Analog outputs

Number of analog outputs

0

Analog value generation for the inputs

Measurement principle

integrating

Integration and conversion time/resolution per channel

• ● Resolution with overrange (bit including sign), max.

15 bit; + sign

• ● Integration time, parameterizable

No

• ● Interference voltage suppression for interference frequency f1 in Hz

85 dB at 10 / 50 / 60 / 400 Hz

Smoothing of measured values

• ● parameterizable

Yes

Errors/accuracies

Temperature error (relative to input range), (+/-)

25 °C ±0.1%, to 55 °C ±0.2% total measurement range

Repeat accuracy in steady state at 25 °C (relative to output range), (+/-)

0.5 %

Interference voltage suppression for f = n x (f1 +/- 1 %), f1 = interference frequency

• ● Common mode interference, min.

120 dB

Interrupts/diagnostics/status information

Alarms

Yes

Diagnostic functions

Yes; Can be read out

Alarms

• ● Diagnostic alarm

Yes

Diagnostic messages

• ● Wire-break

Yes

Diagnostics indication LED

• ● for status of the inputs

Yes

• ● for maintenance

Yes

Degree and class of protection

Degree of protection acc. to EN 60529

• ● IP20

Yes

Standards, approvals, certificates

CE mark

Yes

CSA approval

Yes

FM approval

Yes

RCM (formerly C-TICK)

Yes

Ambient conditions

Free fall

• ● Fall height, max.

0.3 m; five times, in product package

Ambient temperature during operation

• ● min.

-20 °C

• ● max.

60 °C

• ● horizontal installation, min.

-20 °C

• ● horizontal installation, max.

60 °C

• ● vertical installation, min.

-20 °C

• ● vertical installation, max.

50 °C

Ambient temperature during storage/transportation

• ● min.

-40 °C

• ● max.

70 °C

Air pressure acc. to IEC 60068-2-13

• ● Operation, min.

795 hPa

• ● Operation, max.

1 080 hPa

• ● Storage/transport, min.

660 hPa

• ● Storage/transport, max.

1 080 hPa

Relative humidity

• ● Operation at 25 ℃ without condensation, max.

95 %

Pollutant concentrations

• ● SO2 at RH < 60% without condensation

S02: < 0.5 ppm; H2S: < 0.1 ppm; RH < 60% condensation-free

Connection method

required front connector

Yes

Mechanics/material

Enclosure material (front)

• ● Plastic

Yes

Dimensions

Width

38 mm

Height

62 mm

Depth

21 mm

Weights

Weight, approx.

35 g