300S > Signal modules analog

331-7BF70 - Signal modules analog | Analog input modules

Order no.

331-7BF70

TypeSM 331S - SPEED-Bus

General information

Note-
Features8 inputs
Voltage ±10 V
Oscilloscope-/FIFO-Function
Interrupt parameterizable
SPEED-Bus

Current consumption/power loss

Current consumption from backplane bus530 mA
Power loss4 W

Technical data analog inputs

Number of inputs8
Cable length, shielded50 m
Rated load voltageDC 24 V
Current consumption from load voltage L+ (without load)62 mA
Voltage inputs
Min. input resistance (voltage range)120 kΩ
Input voltage ranges-10 V ... +10 V
Operational limit of voltage ranges+/-0.6%
Operational limit of voltage ranges with SFU-
Basic error limit voltage ranges+/-0.4%
Basic error limit voltage ranges with SFU-
Destruction limit voltagemax. 30V
Current inputs-
Max. input resistance (current range)-
Input current ranges-
Operational limit of current ranges-
Operational limit of current ranges with SFU-
Grundfehlergrenze Strombereiche-
Radical error limit current ranges with SFU-
Destruction limit current inputs (electrical current)-
Destruction limit current inputs (voltage)-
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 ranges-
Operational limit of thermocouple ranges-
Operational limit of thermocouple ranges with SFU-
Basic error limit thermoelement ranges-
Basic error limit thermoelement ranges with SFU-
Destruction limit thermocouple inputs-
Programmable temperature compensation-
External temperature compensation-
Internal temperature compensation-
Temperature error internal compensation-
Technical unit of temperature measurement-
Resolution in bit16
Measurement principlesuccessive approximation
Basic conversion time25 µs all channels
Noise suppression for frequency-
Initial data size16 Byte

Status information, alarms, diagnostics

Status displaynone
Interruptsyes
Process alarmyes, parameterizable
Diagnostic interruptyes, parameterizable
Diagnostic functionsyes
Diagnostics information read-outpossible
Supply voltage displaynone
Group error displayred SF LED
Channel error displaynone

Isolation

Between channels
Between channels of groups to1
Between channels and backplane bus
Between channels and power supply
Max. potential difference between circuits-
Max. potential difference between inputs (Ucm)DC 30 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 bytes16
Output bytes0
Parameter bytes41
Diagnostic bytes16

Housing

MaterialPPE
MountingDIN rail SPEED-Bus

Mechanical data

Dimensions (WxHxD)40 mm x 125 mm x 120 mm
Weight210 g

Environmental conditions

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

Certifications

UL certificationyes
KC certification-

Downloads

[Datasheet]
[Manual]