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031-1LB90 - Signal modules analog | Analog input modules

Order no.

031-1LB90

TypeSM 031
Module ID040F 1543

General information

Note-
Features2 inputs 16Bit
Thermocouple
Voltage -80mV...+80mV
requires less parameter bytes than module 031-1BB90

Current consumption/power loss

Current consumption from backplane bus55 mA
Power loss1 W

Technical data analog inputs

Number of inputs2
Cable length, shielded200 m
Rated load voltageDC 24 V
Current consumption from load voltage L+ (without load)30 mA
Voltage inputs-
Min. input resistance (voltage range)10 MΩ
Input voltage ranges-80 mV ... +80 mV
Operational limit of voltage ranges±0.3%
Operational limit of voltage ranges with SFU±0.1%
Basic error limit voltage ranges±0.25%
Basic error limit voltage ranges with SFU±0.05%
Destruction limit voltagemax. 20V
Current inputs-
Max. input resistance (current range)-
Input current ranges-
Operational limit of current ranges-
Operational limit of current ranges with SFU-
Basic error limit current ranges-
Radical error limit current ranges with SFU-
Destruction limit current inputs (voltage)-
Destruction limit current inputs (electrical current)-
Resistance inputs-
Resistance ranges-
Operational limit of resistor ranges-
Operational limit of resistor ranges with SFU-
Basic error limit-
Basic error limit with SFU-
Destruction limit resistance inputs-
Resistance thermometer inputs-
Resistance thermometer ranges-
Operational limit of resistance thermometer ranges-
Operational limit of resistance thermometer ranges with SFU-
Basic error limit thermoresistor ranges-
Basic error limit thermoresistor ranges with SFU-
Destruction limit resistance thermometer inputs-
Thermocouple inputs
Thermocouple rangestype B
type C
type E
type J
type K
type L
type N
type R
type S
type T
Operational limit of thermocouple rangesType E, L, T, J, K, N: ±2.5K / Type B, C, R, S: ±8.0K
Operational limit of thermocouple ranges with SFUType E, L, T, J, K, N: ±1.5K / Type B, C, R, S: ±4.0K
Basic error limit thermoelement rangesType E, L, T, J, K, N: ±2.0K / Type B, C, R, S: ±7.0K
Basic error limit thermoelement ranges with SFUType E, L, T, J, K, N: ±1.0K / Type B, C, R, S: ±3.0K
Destruction limit thermocouple inputsmax. 20V
Programmable temperature compensation
External temperature compensation
Internal temperature compensation
Temperature error internal compensation1 K
Technical unit of temperature measurement°C, °F, K
Resolution in bit16
Measurement principleSigma-Delta
Basic conversion time84.2 ms (50 Hz) 70.5 ms (60 Hz) per channel
Noise suppression for frequency>90dB at 50Hz (UCM<10V)

Status information, alarms, diagnostics

Status displayyes
Interruptsyes
Process alarmno
Diagnostic interruptyes, parameterizable
Diagnostic functionsyes
Diagnostics information read-outpossible
Module stategreen LED
Module error displayred LED
Channel error displayred LED per channel

Isolation

Between channels-
Between channels of groups to-
Between channels and backplane bus
Between channels and power supply-
Max. potential difference between circuits-
Max. potential difference between inputs (Ucm)DC 75 V/ AC 50 V
Max. potential difference between Mana and Mintern (Uiso)-
Max. potential difference between inputs and Mana (Ucm)-
Max. potential difference between inputs and Mintern (Uiso)DC 75 V/ AC 50 V
Max. potential difference between Mintern and outputs-
Insulation tested withDC 500 V

Datasizes

Input bytes4
Output bytes0
Parameter bytes10
Diagnostic bytes20

Housing

MaterialPPE / PPE GF10
MountingProfile rail 35 mm

Mechanical data

Dimensions (WxHxD)12.9 mm x 109 mm x 76.5 mm
Net weight60 g
Weight including accessories-
Gross weight-

Environmental conditions

Operating temperature0 °C to 60 °C
Storage temperature-25 °C to 70 °C

Certifications

UL certificationyes
KC certificationyes

Downloads

[Datasheet]
[Manual]

[STP]