SM 431 模拟量输入模块

Supply voltage

Load voltage L+

• ● Rated value (DC)

24 V; Only required for supplying 2-wire transmitters

24 V; Only required for supplying 2-wire transmitters

not necessary

24 V; Only required for supplying 2-wire transmitters

• ● Reverse polarity protection

Yes

Yes

Yes

Input current

from load voltage L+ (without load), max.

400 mA; for 16 connected, fully controlled 2-wire transmitters

200 mA; for 8 connected, fully controlled 2-wire transmitters

200 mA; for 8 connected, fully controlled 2-wire transmitters

from backplane bus 5 V DC, max.

100 mA

1 000 mA

350 mA

600 mA

Power loss

Power loss, typ.

2 W

4.9 W

1.8 W

3.5 W

Analog inputs

Number of analog inputs

16

8

8

8

• ● For voltage/current measurement

16

8

8

8

• ● For resistance measurement

4

4

4

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

20 V; 20 V DC permanent, 75 V DC for max. 1 s (duty factor 1:20)

18 V; 18 V continuous, 75 V for 1 ms (mark to space ratio 1:20)

50 V

18 V; 18 V continuous, 75 V for 1 ms (mark to space ratio 1:20)

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

40 mA

40 mA; Permanent

50 mA; 40 mA continuous

40 mA; Permanent

Input ranges

• ● Voltage

Yes

Yes

Yes

Yes

• ● Current

Yes

Yes

Yes

Yes

• ● Thermocouple

No

No

No

Yes

• ● Resistance thermometer

No

No

No

Yes

• ● Resistance

No

Yes

Yes

Yes

Input ranges (rated values), voltages

• ● 1 V to 5 V

Yes

Yes

Yes

Yes

• ● Input resistance (1 V to 5 V)

100 kΩ

10 MΩ

200 kΩ

1 MΩ

• ● -1 V to +1 V

Yes

Yes

Yes

Yes

• ● Input resistance (-1 V to +1 V)

10 MΩ

10 MΩ

200 kΩ

1 MΩ

• ● -10 V to +10 V

Yes

Yes

Yes

Yes

• ● Input resistance (-10 V to +10 V)

100 kΩ

100 kΩ

200 kΩ

1 MΩ

• ● -2.5 V to +2.5 V

Yes

• ● Input resistance (-2.5 V to +2.5 V)

1 MΩ

• ● -250 mV to +250 mV

Yes

• ● Input resistance (-250 mV to +250 mV)

1 MΩ

• ● -5 V to +5 V

Yes

• ● Input resistance (-5 V to +5 V)

1 MΩ

• ● -500 mV to +500 mV

Yes

• ● Input resistance (-500 mV to +500 mV)

1 MΩ

• ● -80 mV to +80 mV

Yes

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

1 MΩ

Input ranges (rated values), currents

• ● 0 to 20 mA

Yes

• ● Input resistance (0 to 20 mA)

50 Ω

• ● -20 mA to +20 mA

Yes

Yes

Yes

• ● Input resistance (-20 mA to +20 mA)

50 Ω

50 Ω

80 Ω

• ● 4 mA to 20 mA

Yes

Yes

Yes

Yes

• ● Input resistance (4 mA to 20 mA)

50 Ω

50 kΩ

80 Ω

50 Ω

Input ranges (rated values), thermocouples

• ● Type B

Yes

• ● Type E

Yes

• ● Type J

Yes

• ● Type K

Yes

• ● Type L

Yes

• ● Type N

Yes

• ● Type R

Yes

• ● Type S

Yes

• ● Type T

Yes

• ● Type U

Yes

Input ranges (rated values), resistance thermometer

• ● Ni 100

Yes

• ● Input resistance (Ni 100)

1 MΩ

• ● Ni 1000

Yes

• ● Input resistance (Ni 1000)

1 MΩ

• ● Pt 100

Yes

• ● Input resistance (Pt 100)

1 MΩ

• ● Pt 1000

Yes

• ● Pt 10000

Yes

• ● Pt 200

Yes

• ● Input resistance (Pt 200)

1 MΩ

• ● Pt 500

Yes

• ● Input resistance (Pt 500)

1 MΩ

Input ranges (rated values), resistors

• ● 0 to 48 ohms

Yes

• ● Input resistance (0 to 48 ohms)

1 MΩ

• ● 0 to 150 ohms

Yes

• ● Input resistance (0 to 150 ohms)

1 MΩ

• ● 0 to 300 ohms

Yes

• ● Input resistance (0 to 300 ohms)

1 MΩ

• ● 0 to 600 ohms

Yes

Yes

Yes

• ● Input resistance (0 to 600 ohms)

usable up to 500 ohms

1 MΩ

• ● 0 to 6000 ohms

Yes; Usable up to 5000 Ohm

• ● Input resistance (0 to 6000 ohms)

1 MΩ

Thermocouple (TC)

Temperature compensation

• — internal temperature compensation

No

• — external temperature compensation with compensations socket

Yes

• — external temperature compensation with Pt100

Yes

• — dynamic reference temperature value

Yes

Characteristic linearization

• ● parameterizable

Yes

• — for thermocouples

Type B, E, J, K, L, N, R, S, T, U

• — for resistance thermometer

Pt100, Pt200, Pt500, Pt1000, Ni100, Ni1000

Cable length

• ● shielded, max.

200 m

200 m

200 m

200 m; 50 m with thermocouples and input ranges <= 80 mV

Analog value generation for the inputs

Integration and conversion time/resolution per channel

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

13 bit

14 bit; 14 / 14 / 14

13 bit

14 bit; with activated filtering: 16 bits

• ● Integration time, parameterizable

Yes

Yes

Yes

Yes

• ● Basic conversion time (ms)

55 / 65 ms

52 µs

23 / 25 ms

20.1 / 23.5 ms

• ● Integration time (ms)

50 / 60 ms

16,7 / 20 ms

16,7 / 20 ms

• ● Basic conversion time, including integration time (ms)

• — additional conversion time for wire-break monitoring

4,3 ms

• — additional conversion time for resistance measurement

40.2 / 47 ms

• — additional conversion time for wire-break monitoring and resistance measurement

5,5 ms

• ● Interference voltage suppression for interference frequency f1 in Hz

50 / 60 Hz

none / 400 / 60 / 50 Hz

50 / 60 Hz

50 / 60 Hz

Encoder

Connection of signal encoders

• ● for voltage measurement

Yes; possible

Yes; possible

Yes; possible

Yes; possible

• ● for current measurement as 2-wire transducer

Yes

Yes; with external transmitter supply

Yes

• ● for current measurement as 4-wire transducer

Yes

Yes

Yes

Yes

• ● for resistance measurement with two-wire connection

Yes; Line resistances are also measured

Yes; Line resistances are also measured

Yes; Line resistances are also measured

• ● for resistance measurement with three-wire connection

Yes; Line resistances are also measured

Yes; Line resistances are also measured

Yes

• ● for resistance measurement with four-wire connection

Yes

Yes

Yes

Errors/accuracies

Operational error limit in overall temperature range

• ● Voltage, relative to input range, (+/-)

0.65 %; 1.0 % at 1 to 5 V; 0.65 % at ±1 V, ±10 V

0.7 %; ±0.7 % at ±1 V; ±0.9 % at ±10 V, 1 to 5 V

1 %; ±1.0 % at ±1 V; ±0.6 % at ±10 V; ±0.7 % at 1 to 5 V

0.38 %; ±0.38 % at ±80 mV; ±0.35 % at ±250 mV, ±500 mV, ±1 V, ±2,5 V, ±5 V, 1 to 5 V, ±10 V

• ● Current, relative to input range, (+/-)

0.65 %

0.8 %; at ±20 mA, 4 to 20 mA

1 %; at ±20 mA, 4 to 20 mA

0.35 %; ±20 mA, 0 to 20 mA, 4 to 20 mA

• ● Resistance, relative to input range, (+/-)

1 %

1.25 %; 0 to 500 ohms (4-conductor measurement, in range of 600 ohms)

0.5 %

• ● Resistance thermometer, relative to input range, (+/-)

0.5 %

Basic error limit (operational limit at 25 °C)

• ● Voltage, relative to input range, (+/-)

0.25 %; 0.5% at 1 to 5 V; 0.25% at ±1 V, ±10 V

0.6 %; 0.6 % at ±1 V; 0.75 % at ±10 V, 1 to 5 V

0.7 %; 0.7% at ±1 V; 0.4% at ±10 V; 0.5% at 1 to 5 V

0.15 %; ±0.15 % (±250 mV, ±500 mV, ±1 V, ±2.5 V, ±5 V, 1 to 5 V, ±10 V); ±0.17% (±80 mV)

• ● Current, relative to input range, (+/-)

0.25 %; at ±20 mA, 4 to 20 mA

0.7 %; at ±20 mA, 4 to 20 mA

0.7 %; at ±20 mA, 4 to 20 mA

0.15 %; ±20 mA, 0 to 20 mA, 4 to 20 mA

• ● Resistance, relative to input range, (+/-)

0.7 %; 0 to 600 ohms

0.8 %; 0 to 500 ohms (4-conductor measurement, in range of 600 ohms)

0.15 %; ±0.15 % at 0 to 48 ohms (4-conductor measurement), 0 to 150 ohms (4-conductor measurement), 0 to 300 ohms (4-conductor measurement), 0 to 600 ohms (4-conductor measurement), 0 to 5000 ohms (4-conductor measurement, in range of 6000 ohms); ±0.3 % at 0 to 300 ohms (3-conductor measurement), 0 to 600 ohms (3-conductor measurement), 0 to 5000 ohms (3-conductor measurement, in range of 6000 ohms)

• ● Resistance thermometer, relative to input range, (+/-)

0.3 %

Potential separation

Potential separation analog inputs

• ● Potential separation analog inputs

No

Yes; internal/external

Yes; internal/external

Yes; internal/external

• ● between the channels

No

No

No

No

Isolation

Isolation tested with

500 V AC/707 V DC, type test

2 120 V DC between bus and analog section; 500 V DC between bus and local ground; 500 V DC between analog part and L+/M; 2 120 V DC between analog part and local ground; 2 120 V DC between L+/M and local ground

2120 V DC between bus and analog part; 500 V DC between bus and local ground; 2120 V DC between analog part and local ground

2 120 V DC between bus and L+/M; 2 120 V DC between bus and analog section; 500 V DC between bus and local ground; 500 V DC between analog section and L+/M; 2 120 V DC between analog section and local ground; 2 120 V DC between L+/M and local ground

Dimensions

Width

25 mm

25 mm

25 mm

25 mm

Height

290 mm

290 mm

290 mm

290 mm

Depth

210 mm

210 mm

210 mm

210 mm

Weights

Weight, approx.

500 g

500 g

500 g

500 g

Supply voltage

Load voltage L+

• ● Rated value (DC)

24 V; Only required for supplying 2-wire transmitters

• ● Reverse polarity protection

Yes

Input current

from load voltage L+ (without load), max.

400 mA; for 16 connected, fully controlled 2-wire transmitters

from backplane bus 5 V DC, max.

700 mA

1 200 mA

650 mA

Power loss

Power loss, typ.

4.5 W

4.6 W

3.3 W

Analog inputs

Number of analog inputs

16

8

8

• ● For voltage/current measurement

16

8

• ● For resistance measurement

8

8

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

18 V; 18 V continuous, 75 V for 1 ms (mark to space ratio 1:20)

35 V; 35 V continuous, 75 V for max. 1 s (mark to space ratio 1:20)

35 V; 35 V continuous, 75 V for max. 1 s (mark to space ratio 1:20)

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

40 mA

32 mA

Input ranges

• ● Voltage

Yes

Yes

No

• ● Current

Yes

Yes

No

• ● Thermocouple

Yes

Yes

No

• ● Resistance thermometer

Yes

No

Yes

• ● Resistance

Yes

No

Yes

Input ranges (rated values), voltages

• ● 1 V to 5 V

Yes

Yes

• ● Input resistance (1 V to 5 V)

1 MΩ

> 2 000 ohms

• ● -1 V to +1 V

Yes

Yes

• ● Input resistance (-1 V to +1 V)

1 MΩ

• ● -10 V to +10 V

Yes

Yes

• ● Input resistance (-10 V to +10 V)

1 MΩ

• ● -100 mV to +100 mV

Yes

• ● -2.5 V to +2.5 V

Yes

Yes

• ● Input resistance (-2.5 V to +2.5 V)

1 MΩ

• ● -20 mV to +20 mV

Yes

• ● -25 mV to +25 mV

Yes

• ● Input resistance (-25 mV to +25 mV)

1 MΩ

• ● -250 mV to +250 mV

Yes

Yes

• ● Input resistance (-250 mV to +250 mV)

1 MΩ

• ● -5 V to +5 V

Yes

Yes

• ● Input resistance (-5 V to +5 V)

1 MΩ

• ● -50 mV to +50 mV

Yes

Yes

• ● Input resistance (-50 mV to +50 mV)

1 MΩ

• ● -500 mV to +500 mV

Yes

Yes

• ● Input resistance (-500 mV to +500 mV)

1 MΩ

• ● -80 mV to +80 mV

Yes

Yes

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

1 MΩ

Input ranges (rated values), currents

• ● 0 to 20 mA

Yes

Yes

• ● Input resistance (0 to 20 mA)

50 Ω

• ● -10 mA to +10 mA

Yes

Yes

• ● Input resistance (-10 mA to +10 mA)

50 Ω

• ● -20 mA to +20 mA

Yes

Yes

• ● Input resistance (-20 mA to +20 mA)

50 Ω

• ● -3.2 mA to +3.2 mA

Yes

• ● 4 mA to 20 mA

Yes

Yes

• ● Input resistance (4 mA to 20 mA)

50 Ω

50 Ω

• ● -5 mA to +5 mA

Yes

Yes

• ● Input resistance (-5 mA to +5 mA)

50 Ω

Input ranges (rated values), thermocouples

• ● Type B

Yes

Yes

• ● Type E

Yes

Yes

• ● Type J

Yes

Yes

• ● Type K

Yes

Yes

• ● Type L

Yes

Yes

• ● Type N

Yes

Yes

• ● Type R

Yes

Yes

• ● Type S

Yes

Yes

• ● Type T

Yes

Yes

• ● Type U

Yes

Yes

Input ranges (rated values), resistance thermometer

• ● Ni 100

Yes

Yes

• ● Input resistance (Ni 100)

1 MΩ

> 10 000 ohms

• ● Ni 1000

Yes

Yes; Different characteristics selectable: Europe/U.S.

• ● Input resistance (Ni 1000)

1 MΩ

> 10 000 ohms

• ● Pt 100

Yes

Yes

• ● Input resistance (Pt 100)

1 MΩ

> 10 000 ohms

• ● Pt 1000

Yes

Yes

• ● Input resistance (Pt 1000)

1 MΩ

> 10 000 ohms

• ● Pt 200

Yes

Yes

• ● Input resistance (Pt 200)

1 MΩ

> 10 000 ohms

• ● Pt 500

Yes

Yes

• ● Input resistance (Pt 500)

1 MΩ

> 10 000 ohms

Input ranges (rated values), resistors

• ● 0 to 48 ohms

Yes

• ● Input resistance (0 to 48 ohms)

1 MΩ

• ● 0 to 150 ohms

Yes

• ● Input resistance (0 to 150 ohms)

1 MΩ

• ● 0 to 300 ohms

Yes

• ● Input resistance (0 to 300 ohms)

1 MΩ

• ● 0 to 600 ohms

Yes

• ● Input resistance (0 to 600 ohms)

1 MΩ

• ● 0 to 6000 ohms

Yes; Usable up to 5000 Ohm

• ● Input resistance (0 to 6000 ohms)

1 MΩ

Thermocouple (TC)

Temperature compensation

• — internal temperature compensation

Yes

• — external temperature compensation with compensations socket

Yes

Yes

• — external temperature compensation with Pt100

Yes

• — dynamic reference temperature value

Yes

Yes

Characteristic linearization

• ● parameterizable

Yes

Yes

Yes

• — for thermocouples

Type B, E, J, K, L, N, R, S, T, U

Type B, E, J, K, L, N, R, S, T, U

• — for resistance thermometer

Pt100, Pt200, Pt500, Pt1000, Ni100, Ni1000

Pt100, Pt200, Pt500, Pt1000, Ni100, Ni1000; different characteristics selectable (Europe/U.S.)

Cable length

• ● shielded, max.

200 m; 50 m with thermocouples and input ranges <= 80 mV

200 m

200 m; 50 m with thermocouples and input ranges ±80 mV

Analog value generation for the inputs

Integration and conversion time/resolution per channel

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

16 bit; 16 / 16 / 16

16 bit

16 bit

• ● Integration time, parameterizable

Yes

Yes

Yes

• ● Basic conversion time (ms)

6 / 20,1 / 23,5 ms

10 / 16,7 / 20 / 100

8 / 23 / 25 ms

• ● Integration time (ms)

2,5 / 16,7 / 20 ms

2,5 / 16,7 / 20 / 100

20 ms at 50 Hz (entire module incl. wire break)

• ● Basic conversion time, including integration time (ms)

• — additional conversion time for wire-break monitoring

4.3 / 4.3 / 4.3 ms

110 ms / 4 ms

• — additional conversion time for resistance measurement

12 / 40,2 / 47 ms

• — additional conversion time for wire-break monitoring and resistance measurement

5,5 ms

1 ms (module)

none

• ● Interference voltage suppression for interference frequency f1 in Hz

400 / 60 / 50 Hz

400 / 60 / 50 / 10 Hz

none/ 60 / 50 Hz

Encoder

Connection of signal encoders

• ● for voltage measurement

Yes; possible

Yes; possible

• ● for current measurement as 2-wire transducer

Yes

• ● for current measurement as 4-wire transducer

Yes

Yes

• ● for resistance measurement with two-wire connection

Yes; Line resistances are also measured

• ● for resistance measurement with three-wire connection

Yes

Yes

• ● for resistance measurement with four-wire connection

Yes

Yes

Yes

Errors/accuracies

Operational error limit in overall temperature range

• ● Voltage, relative to input range, (+/-)

0.3 %; ±0.3 % at ±250 mV, ±500 mV, ±1 V, ±2.5 V, ±5 V, 1 to 5 V, ±10 V; ±0.31 % at ±80 mV; ±0.32 % at ±50 mV; ±0.35 % at ±25 mV

0.3 %

• ● Current, relative to input range, (+/-)

0.3 %; at 0 to 20 mA, ±5 mA, ±10 mA, ±20 mA, 4 to 20 mA

0.5 %

• ● Resistance, relative to input range, (+/-)

0.3 %; ±0.3% at 0 to 48 Ohm (4-conductor measurement), 0 to 150 Ohm (4-conductor measurement), 0 to 300 Ohm (4-conductor measurement), 0 to 600 Ohm (4-conductor measurement), 0 to 5000 Ohm (4-conductor measurement, in range of 6000 Ohm); ±0.4% at 0 to 300 Ohm (3-conductor measurement), 0 to 600 Ohm (3-conductor measurement), 0 to 5000 Ohm (3-conductor measurement, in range of 6000 Ohm);

• ● Resistance thermometer, relative to input range, (+/-)

0.4 %

±1 °C

Basic error limit (operational limit at 25 °C)

• ● Voltage, relative to input range, (+/-)

0.15 %; ±0.15% at ±250 mV, ±500 mV, ±1 V, ±2.5 V, ±5 V, 1 V to 5 V, ±10 V; ±0.17% at ±80 mV; ±0.19% at ±50 mV; ±0.23% at ±25 mV

0.1 %

• ● Current, relative to input range, (+/-)

0.15 %; at 0 to 20 mA, ±5 mA, ±10 mA, ±20 mA, 4 to 20 mA

0.17 %

• ● Resistance, relative to input range, (+/-)

0.15 %; ±0.15 % at 0 to 48 ohms (4-conductor measurement), 0 to 150 ohms (4-conductor measurement), 0 to 300 ohms (4-conductor measurement), 0 to 5000 ohms (4-conductor measurement, in range of 6000 ohms); ±0.3 % at 0 to 300 ohms (3-conductor measurement), 0 to 600 ohms (3-conductor measurement), 0 to 5000 ohms (3-conductor measurement, in range of 6000 ohms)

• ● Resistance thermometer, relative to input range, (+/-)

0.3 %

±0,2 °C

Interrupts/diagnostics/status information

Alarms

• ● Diagnostic alarm

Yes; Parameterizable

Yes; Parameterizable

Yes; Parameterizable

• ● Limit value alarm

Yes; Parameterizable

Yes

Yes

Potential separation

Potential separation analog inputs

• ● Potential separation analog inputs

Yes; internal/external

Yes; internal/external

Yes; internal/external

• ● between the channels

No

Yes

No

Isolation

Isolation tested with

2 120 V DC between bus and L+/M; 2 120 V DC between bus and analog section; 500 V DC between bus and local ground; 500 V DC between analog section and L+/M; 2 120 V DC between analog section and local ground; 2 120 V DC between L+/M and local ground

1500 V DC

1500 V DC

Dimensions

Width

25 mm

25 mm

25 mm

Height

290 mm

290 mm

290 mm

Depth

210 mm

210 mm

210 mm

Weights

Weight, approx.

500 g

650 g

650 g