General information
Product type designationAI 8xU/R/RTD/TC HF
FW update possibleYes
based on6ES7531-7PF00-0AB0
Product function
I&M dataYes; I&M0 to I&M3
Isochronous modeNo
Prioritized startupYes
Measuring range scalableYes
Scalable measured valuesNo
Adjustment of measuring rangeNo
Engineering with
STEP 7 TIA Portal configurable/integrated from versionsee entry ID: 109746275
Operating mode
OversamplingNo
MSIYes
CiR - Configuration in RUN
Reparameterization possible in RUNYes
Calibration possible in RUNYes
Supply voltage
Rated value (DC)24 V
permissible range, lower limit (DC)19.2 V
permissible range, upper limit (DC)28.8 V
Reverse polarity protectionYes
Input current
Current consumption, max.55 mA; with 24 V DC supply
Power
Power consumption from the backplane bus0.85 W
Power loss
Power loss, typ.1.9 W
Analog inputs
Number of analog inputs8; Plus one additional RTD (reference) channel
For voltage measurement8; Plus one additional RTD (reference) channel
For resistance/resistance thermometer measurement8; Plus one additional RTD (reference) channel
For thermocouple measurement8; Plus one additional RTD (reference) channel
permissible input voltage for voltage input (destruction limit), max.20 V
Technical unit for temperature measurement adjustableYes; °C/°F/K
Input ranges (rated values), voltages
0 to +5 VNo
0 to +10 VNo
1 V to 5 VNo
-1 V to +1 VYes
— Input resistance (-1 V to +1 V)10 MΩ
-10 V to +10 VNo
-2.5 V to +2.5 VNo
-25 mV to +25 mVYes
— Input resistance (-25 mV to +25 mV)10 MΩ
-250 mV to +250 mVYes
— Input resistance (-250 mV to +250 mV)10 MΩ
-5 V to +5 VNo
-50 mV to +50 mVYes
— Input resistance (-50 mV to +50 mV)10 MΩ
-500 mV to +500 mVYes
— Input resistance (-500 mV to +500 mV)10 MΩ
-80 mV to +80 mVYes
— Input resistance (-80 mV to +80 mV)10 MΩ
Input ranges (rated values), currents
0 to 20 mANo
-20 mA to +20 mANo
4 mA to 20 mANo
Input ranges (rated values), thermocouples
Type BYes
— Input resistance (Type B)10 MΩ
Type CYes
— Input resistance (Type C)10 MΩ
Type EYes
— Input resistance (Type E)10 MΩ
Type JYes
— Input resistance (type J)10 MΩ
Type KYes
— Input resistance (Type K)10 MΩ
Type LNo
Type NYes
— Input resistance (Type N)10 MΩ
Type RYes
— Input resistance (Type R)10 MΩ
Type SYes
— Input resistance (Type S)10 MΩ
Type TYes
— Input resistance (Type T)10 MΩ
Type TXK/TXK(L) to GOSTYes
— Input resistance (Type TXK/TXK(L) to GOST)10 MΩ
Input ranges (rated values), resistance thermometer
Cu 10Yes; Standard/climate
— Input resistance (Cu 10)10 MΩ
Cu 10 according to GOSTYes; Standard/climate
— Input resistance (Cu 10 according to GOST)10 MΩ
Cu 50Yes; Standard/climate
— Input resistance (Cu 50)10 MΩ
Cu 50 according to GOSTYes; Standard/climate
— Input resistance (Cu 50 according to GOST)10 MΩ
Cu 100Yes; Standard/climate
— Input resistance (Cu 100)10 MΩ
Cu 100 according to GOSTYes; Standard/climate
— Input resistance (Cu 100 according to GOST)10 MΩ
Ni 10Yes; Standard/climate
— Input resistance (Ni 10)10 MΩ
Ni 10 according to GOSTYes; Standard/climate
— Input resistance (Ni 10 according to GOST)10 MΩ
Ni 100Yes; Standard/climate
— Input resistance (Ni 100)10 MΩ
Ni 100 according to GOSTYes; Standard/climate
— Input resistance (Ni 100 according to GOST)10 MΩ
Ni 1000Yes; Standard/climate
— Input resistance (Ni 1000)10 MΩ
Ni 1000 according to GOSTYes; Standard/climate
— Input resistance (Ni 1000 according to GOST)10 MΩ
LG-Ni 1000Yes; Standard/climate
— Input resistance (LG-Ni 1000)10 MΩ
Ni 120Yes; Standard/climate
— Input resistance (Ni 120)10 MΩ
Ni 120 according to GOSTYes; Standard/climate
— Input resistance (Ni 120 according to GOST)10 MΩ
Ni 200Yes; Standard/climate
— Input resistance (Ni 200)10 MΩ
Ni 200 according to GOSTYes; Standard/climate
— Input resistance (Ni 200 according to GOST)10 MΩ
Ni 500Yes; Standard/climate
— Input resistance (Ni 500)10 MΩ
Ni 500 according to GOSTYes; Standard/climate
— Input resistance (Ni 500 according to GOST)10 MΩ
Pt 10Yes; Standard/climate
— Input resistance (Pt 10)10 MΩ
Pt 10 according to GOSTYes; Standard/climate
— Input resistance (Pt 10 according to GOST)10 MΩ
Pt 50Yes; Standard/climate
— Input resistance (Pt 50)10 MΩ
Pt 50 according to GOSTYes; Standard/climate
— Input resistance (Pt 50 according to GOST)10 MΩ
Pt 100Yes; Standard/climate
— Input resistance (Pt 100)10 MΩ
Pt 100 according to GOSTYes; Standard/climate
— Input resistance (Pt 100 according to GOST)10 MΩ
Pt 1000Yes; Standard/climate
— Input resistance (Pt 1000)10 MΩ
Pt 1000 according to GOSTYes; Standard/climate
— Input resistance (Pt 1000 according to GOST)10 MΩ
Pt 200Yes; Standard/climate
— Input resistance (Pt 200)10 MΩ
Pt 200 according to GOSTYes; Standard/climate
— Input resistance (Pt 200 according to GOST)10 MΩ
Pt 500Yes; Standard/climate
— Input resistance (Pt 500)10 MΩ
Pt 500 according to GOSTYes; Standard/climate
— Input resistance (Pt 500 according to GOST)10 MΩ
Input ranges (rated values), resistors
0 to 150 ohmsYes
— Input resistance (0 to 150 ohms)10 MΩ
0 to 300 ohmsYes
— Input resistance (0 to 300 ohms)10 MΩ
0 to 600 ohmsYes
— Input resistance (0 to 600 ohms)10 MΩ
0 to 3000 ohmsNo
0 to 6000 ohmsYes
— Input resistance (0 to 6000 ohms)10 MΩ
PTCYes
— Input resistance (PTC)10 MΩ
Temperature compensation
— ParameterizableYes
— internal temperature compensationYes
— external temperature compensation via RTDYes
— Compensation for 0 °C reference point temperatureYes; fixed value can be set
— Reference channel of the moduleYes; 9th channel that can be used as a genuine 9th RTD channel regardless of the parameterization of the other channels, or that can be used for compensation in the case of TC measurement
Cable length
shielded, max.800 m; at U; 200 m at R/RTD/TC
Integration and conversion time/resolution per channel
Resolution with overrange (bit including sign), max.21 bit; For measuring mode RTC and TC when using the function "Scalable temperature measuring range" (32 bit REAL format); 16 bit for measuring mode R and U; 16 bit for all measuring modes when using the S7 format (16 bit INTEGER)
Integration time, parameterizableYes
Integration time (ms)Fast mode: 2.5 / 16.67 / 20 / 100 ms, standard mode: 7.5 / 50 / 60 / 300 ms
Basic conversion time, including integration time (ms)Fast mode: 4 / 18 / 22 / 102 ms; Standard mode: 9 / 52 / 62 / 302 ms
— additional conversion time for wire-break monitoringThermocouples, 150 Ohm, 300 Ohm, 600 Ohm, Cu10, Cu50, Cu100, Ni10, Ni100, Ni120, Ni200, Pt10, Pt50, Pt100: 4 ms; 6 kOhm, Ni500, Ni1000, LG-Ni1000, Pt200, Pt500, Pt1000: 13 ms
Interference voltage suppression for interference frequency f1 in Hz400 / 60 / 50 / 10 Hz
Basic execution time of the module (all channels released)Corresponds to the channel with the highest basic conversion time
Smoothing of measured values
parameterizableYes
Step: NoneYes
Step: lowYes
Step: MediumYes
Step: HighYes
Connection of signal encoders
for voltage measurementYes
for current measurement as 2-wire transducerNo
for current measurement as 4-wire transducerNo
for resistance measurement with two-wire connectionYes
for resistance measurement with three-wire connectionYes; All measuring ranges except PTC; internal compensation of the cable resistances
for resistance measurement with four-wire connectionYes; All measuring ranges except PTC
Errors/accuracies
Linearity error (relative to input range), (+/-)0.02 %
Temperature error (relative to input range), (+/-)0.005 %/K
Crosstalk between the inputs, max.-80 dB
Repeat accuracy in steady state at 25 °C (relative to input range), (+/-)0.02 %
Temperature error of internal compensation±1,5 °C
Operational error limit in overall temperature range
Voltage, relative to input range, (+/-)0.1 %
Resistance, relative to input range, (+/-)0.1 %
Resistance thermometer, relative to input range, (+/-)Cuxxx Standard: ±0.5 K, Cuxxx Klima: ±0.5 K, Ptxxx Standard: ±1 K, Ptxxx Klima: ±0.5 K, Nixxx Standard: ±0.5 K, Nixxx Klima: ±0.3 K
Thermocouple, relative to input range, (+/-)Type B: > 600 °C ±2 K, Type E: > -200 °C ±1 K, Type J: > -210 °C ±1 K, Type K: > -200 °C ±2 K, Type N: > -200 °C ±2 K, Type R: > 0 °C ±2 K, Type S: > 0 °C ±2 K, Type T: > -200 °C ±1 K, Type C: ±4 K, Type TXK/TXK(L): ±1 K
Basic error limit (operational limit at 25 °C)
Voltage, relative to input range, (+/-)0.05 %
Resistance, relative to input range, (+/-)0.05 %
Resistance thermometer, relative to input range, (+/-)Cuxxx Standard: ±0.3 K, Cuxxx Klima: ±0.2 K, Ptxxx Standard: ±0.5 K, Ptxxx Klima: ±0.2 K, Nixxx Standard: ±0.3 K, Nixxx Klima: ±0.15 K
Thermocouple, relative to input range, (+/-)Type B: > 600 °C ±1 K, Type E: > -200 °C ±0.5 K, Type J: > -210 °C ±0.5 K, Type K: > -200 °C ±1 K, Type N: > -200 °C ±1 K, Type R: > 0 °C ±1 K, Type S: > 0 °C ±1 K, Type T: > -200 °C ±0.5 K, Type C: ±2 K, Type TXK/TXK(L): ±0.5 K
Interference voltage suppression for f = n x (f1 +/- 1 %), f1 = interference frequency
Series mode interference (peak value of interference < rated value of input range), min.80 dB; in the Standard operating mode, 40 dB in the Fast operating mode
Common mode voltage, max.60 V DC/30 V AC
Common mode interference, min.80 dB
Interrupts/diagnostics/status information
Diagnostics functionYes
Alarms
Diagnostic alarmYes
Limit value alarmYes; two upper and two lower limit values in each case
Diagnoses
Monitoring the supply voltageYes
Wire breakYes; Only with TC, R, RTD
Overflow/UnderflowYes
Diagnostics indication LED
RUN LEDYes; green LED
ERROR LEDYes; red LED
Monitoring of the supply voltage (PWR-LED)Yes; green LED
Channel status displayYes; green LED
for channel diagnosticsYes; red LED
for module diagnosticsYes; red LED
Potential separation channels
between the channelsYes
between the channels, in groups of1
between the channels and backplane busYes
between the channels and the power supply of the electronicsYes
Permissible potential difference
between different circuits60 V DC/30 V AC; insulation rated for 120 V AC basic insulation: between the channels and the supply voltage L+; between the channels and the backplane bus; between the channels
Isolation
Isolation tested with2 000 V DC between the channels and the supply voltage L+; 2 000 V DC between the channels and the backplane bus; 2 000 V DC between the channels; 707 V DC (type test) between the supply voltage L+ and the backplane bus
Standards, approvals, certificates
Suitable for applications according to AMS 2750Yes; Declaration of Conformity, see online support entry 109757262
Suitable for applications according to CQI-9Yes; Based on AMS 2750 E
Ecological footprint
environmental product declarationYes
Global warming potential
— global warming potential, (total) [CO2 eq]38.6 kg
— global warming potential, (during production) [CO2 eq]14.4 kg
— global warming potential, (during operation) [CO2 eq]24.6 kg
— global warming potential, (after end of life cycle) [CO2 eq]-0.44 kg
Security
signed firmware updateNo
data integrityNo
Ambient temperature during operation
horizontal installation, min.-30 °C; = Tmin (incl. condensation/frost)
horizontal installation, max.60 °C
vertical installation, min.-30 °C; = Tmin (incl. condensation/frost)
vertical installation, max.40 °C
Altitude during operation relating to sea level
Installation altitude above sea level, max.5 000 m
Ambient air temperature-barometric pressure-altitudeTmin ... Tmax at 1 080 hPa ... 795 hPa (-1 000 m ... +2 000 m) // Tmin ... (Tmax - 10 K) at 795 hPa ... 658 hPa (+2 000 m ... +3 500 m) // Tmin ... (Tmax - 20 K) at 658 hPa ... 540 hPa (+3 500 m ... +5 000 m)
Relative humidity
With condensation, tested in accordance with IEC 60068-2-38, max.100 %; RH incl. condensation / frost (no commissioning in bedewed state), horizontal installation
Coolants and lubricants
— Resistant to commercially available coolants and lubricantsYes; Incl. diesel and oil droplets in the air
Use in stationary industrial systems
— to biologically active substances according to EN 60721-3-3Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna); Class 3B3 on request
— to chemically active substances according to EN 60721-3-3Yes; Class 3C4 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *
— to mechanically active substances according to EN 60721-3-3Yes; Class 3S4 incl. sand, dust, *
Use on ships/at sea
— to biologically active substances according to EN 60721-3-6Yes; Class 6B2 mold and fungal spores (excluding fauna); Class 6B3 on request
— to chemically active substances according to EN 60721-3-6Yes; Class 6C3 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *
— to mechanically active substances according to EN 60721-3-6Yes; Class 6S3 incl. sand, dust; *
Usage in industrial process technology
— Against chemically active substances acc. to EN 60654-4Yes; Class 3 (excluding trichlorethylene)
— Environmental conditions for process, measuring and control systems acc. to ANSI/ISA-71.04Yes; Level GX group A/B (excluding trichlorethylene; harmful gas concentrations up to the limits of EN 60721-3-3 class 3C4 permissible); level LC3 (salt spray) and level LB3 (oil)
Remark
— Note regarding classification of environmental conditions acc. to EN 60721, EN 60654-4 and ANSI/ISA-71.04* The supplied plug covers must remain in place over the unused interfaces during operation!
Conformal coating
Coatings for printed circuit board assemblies acc. to EN 61086Yes; Class 2 for high reliability
Protection against fouling acc. to EN 60664-3Yes; Type 1 protection
Military testing according to MIL-I-46058C, Amendment 7Yes; Discoloration of coating possible during service life
Qualification and Performance of Electrical Insulating Compound for Printed Board Assemblies according to IPC-CC-830AYes; Conformal coating, Class A
Dimensions
Width35 mm
Height147 mm
Depth129 mm
Weights
Weight, approx.290 g
Other
Note:for the R/RDT three-wire measurement, the conductor compensation is made alternating with the measurement; this then requires two module cycles for a measured value