General information
Product type designationAI 8xU/I/RTD/TC ST
FW update possibleYes
based on6ES7531-7KF00-0AB0
Product function
I&M dataYes; I&M0 to I&M3
Isochronous modeNo
Prioritized startupNo
Measuring range scalableNo
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.255 mA; with 19.2 V supply
24 V encoder supply
Short-circuit protectionYes
Output current, max.20 mA; Max. 47 mA per channel for a duration < 10 s
Power
Power consumption from the backplane bus0.7 W
Power loss
Power loss, typ.2.7 W
Analog inputs
Number of analog inputs8; > +60 °C max. 2x ±20 mA or 4x ±10 V or 4x RTD permissible
For current measurement8
For voltage measurement8
For resistance/resistance thermometer measurement4
For thermocouple measurement8
permissible input voltage for voltage input (destruction limit), max.28.8 V
permissible input current for current input (destruction limit), max.40 mA
Constant measurement current for resistance-type transmitter, typ.150 Ohm, 300 Ohm, 600 Ohm, Pt100, Pt200, Ni100: 1.25 mA; 6 000 Ohm, Pt500, Pt1000, Ni1000, LG-Ni1000: 0.625 mA; PTC: 0.472 mA
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 VYes
— Input resistance (1 V to 5 V)100 kΩ
-1 V to +1 VYes
— Input resistance (-1 V to +1 V)10 MΩ
-10 V to +10 VYes
— Input resistance (-10 V to +10 V)100 kΩ
-2.5 V to +2.5 VYes
— Input resistance (-2.5 V to +2.5 V)10 MΩ
-25 mV to +25 mVNo
-250 mV to +250 mVYes
— Input resistance (-250 mV to +250 mV)10 MΩ
-5 V to +5 VYes
— Input resistance (-5 V to +5 V)100 kΩ
-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 mAYes
— Input resistance (0 to 20 mA)25 Ω; Plus approx. 42 ohms for overvoltage protection by PTC
-20 mA to +20 mAYes
— Input resistance (-20 mA to +20 mA)25 Ω; Plus approx. 42 ohms for overvoltage protection by PTC
4 mA to 20 mAYes
— Input resistance (4 mA to 20 mA)25 Ω; Plus approx. 42 ohms for overvoltage protection by PTC
Input ranges (rated values), thermocouples
type BYes
— Input resistance (Type B)10 MΩ
type CNo
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 GOSTNo
Input ranges (rated values), resistance thermometer
Cu 10No
Cu 10 according to GOSTNo
Cu 50No
Cu 50 according to GOSTNo
Cu 100No
Cu 100 according to GOSTNo
Ni 10No
Ni 10 according to GOSTNo
Ni 100Yes; Standard/climate
— Input resistance (Ni 100)10 MΩ
Ni 100 according to GOSTNo
Ni 1000Yes; Standard/climate
— Input resistance (Ni 1000)10 MΩ
Ni 1000 according to GOSTNo
LG-Ni 1000Yes; Standard/climate
— Input resistance (LG-Ni 1000)10 MΩ
Ni 120No
Ni 120 according to GOSTNo
Ni 200 according to GOSTNo
Ni 500No
Ni 500 according to GOSTNo
Pt 10No
Pt 10 according to GOSTNo
Pt 50No
Pt 50 according to GOSTNo
Pt 100Yes; Standard/climate
— Input resistance (Pt 100)10 MΩ
Pt 100 according to GOSTNo
Pt 1000Yes; Standard/climate
— Input resistance (Pt 1000)10 MΩ
Pt 1000 according to GOSTNo
Pt 200Yes; Standard/climate
— Input resistance (Pt 200)10 MΩ
Pt 200 according to GOSTNo
Pt 500Yes; Standard/climate
— Input resistance (Pt 500)10 MΩ
Pt 500 according to GOSTNo
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
Cable length
shielded, max.800 m; for U/I, 200 m for R/RTD, 50 m for TC
Integration and conversion time/resolution per channel
Resolution with overrange (bit including sign), max.16 bit
Integration time, parameterizableYes
Integration time (ms)2,5 / 16,67 / 20 / 100 ms
Basic conversion time, including integration time (ms)9 / 23 / 27 / 107 ms
— additional conversion time for wire-break monitoring9 ms (to be considered in R/RTD/TC measurement)
— additional conversion time for resistance measurement150 ohm, 300 ohm, 600 ohm, Pt100, Pt200, Ni100: 2 ms, 6000 ohm, Pt500, Pt1000, Ni1000, LG-Ni1000, PTC: 4 ms
Interference voltage suppression for interference frequency f1 in Hz400 / 60 / 50 / 10 Hz
Time for offset calibration (per module)Basic conversion time of the slowest channel
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 transducerYes
— Burden of 2-wire transmitter, max.820 Ω
for current measurement as 4-wire transducerYes
for resistance measurement with two-wire connectionYes; Only for PTC
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; With TC type T 0.02 ± % / 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±6 °C
Operational error limit in overall temperature range
Voltage, relative to input range, (+/-)0.4 %
Current, relative to input range, (+/-)0.4 %
Resistance, relative to input range, (+/-)0.4 %
Resistance thermometer, relative to input range, (+/-)Ptxxx standard: ±1.5 K, Ptxxx climate: ±0.5 K, Nixxx standard: ±0.5 K, Nixxx climate: ±0.3 K
Thermocouple, relative to input range, (+/-)Type B: > 600 °C ±4.6 K, type E: > -200 °C ±1.5 K, type J: > -210 °C ±1.9 K, type K: > -200 °C ±2.4 K, type N: > -200 °C ±2.9 K, type R: > 0 °C ±4.7 K, type S: > 0 °C ±4.6 K, type T: > -200 °C ±2.4 K
Basic error limit (operational limit at 25 °C)
Voltage, relative to input range, (+/-)0.1 %
Current, relative to input range, (+/-)0.1 %
Resistance, relative to input range, (+/-)0.1 %
Resistance thermometer, relative to input range, (+/-)Ptxxx standard: ±0.7 K, Ptxxx climate: ±0.2 K, Nixxx standard: ±0.3 K, Nixxx climate: ±0.15 K
Thermocouple, relative to input range, (+/-)Type B: > 600 °C ±1.7 K, type E: > -200 °C ±0.7 K, type J: > -210 °C ±0.8 K, type K: > -200 °C ±1.2 K, type N: > -200 °C ±1.2 K, type R: > 0 °C ±1.9 K, type S: > 0 °C ±1.9 K, type T: > -200 °C ±0.8 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.40 dB
Common mode voltage, max.10 V
Common mode interference, min.60 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 for 1 to 5 V, 4 to 20 mA, TC, R, and 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 channelsNo
between the channels, in groups of8
between the channels and backplane busYes
between the channels and the power supply of the electronicsYes
Permissible potential difference
between the inputs (UCM)20 V DC
Between the inputs and MANA (UCM)10 V DC
Isolation
Isolation tested with707 V DC (type test)
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.-40 °C; = Tmin (incl. condensation/frost)
horizontal installation, max.70 °C; = Tmax
vertical installation, min.-40 °C; = Tmin
vertical installation, max.40 °C; = Tmax
Altitude during operation relating to sea level
Installation altitude above sea level, max.5 000 m
Ambient air temperature-barometric pressure-altitudeTmin ... Tmax at 1 140 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 under condensation conditions)
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.310 g
Other
Note:Additional basic error and noise for integration time = 2.5 ms: Voltage: ±250 mV (±0.02%), ±80 mV (±0.05%), ±50 mV (±0.05%); resistance: 150 ohms ±0.02%; resistance thermometer: Pt100 climate: ±0.08 K, Ni100 climate: ±0.08 K; thermocouple: Type B, R, S: ±3 K, type E, J, K, N, T: ±1 K