inosakiInosakiinosaki

Contact Us
sales@365accountings.com   

SIMATIC S7-1200 – SB 1231 TC – Siemens Signal/ Communication Boards

USD $ 104.42

SKU: 6ES7231-5QA30-0XB0

The SB 1231 thermocouple signal board permits temperature recording with high precision using established thermocouples. In addition, low level analog signals in the ±80 mV range can be recorded. The SB 1231 thermocouple signal board can be plugged directly into all SIMATIC S7-1200 CPUs.

Siemens Signal Boards S7-1200 Product Specifications:

Article number6ES7231-5QA30-0XB0
Signal Board SB 1231 TC, 1 AI
General information
Product type designationSB 1231, AI 1×16 bit TC
Supply voltage
Rated value (DC)24 V
Input current
Current consumption, typ.5 mA
from backplane bus 5 V DC, typ.20 mA
Power loss
Power loss, typ.0.5 W
Analog inputs
Number of analog inputs1; Thermocouples
permissible input voltage for current input (destruction limit), max.±35 V
permissible input voltage for voltage input (destruction limit), max.±35 V
Technical unit for temperature measurement adjustableDegrees Celsius/degrees Fahrenheit
Input ranges
● VoltageYes
● CurrentNo
● ThermocoupleYes; J, K, T, E, R & S, B, N, C, TXK/XK(L); voltage range: ±80 mV
● Resistance thermometerNo
● ResistanceNo
Input ranges (rated values), voltages
● -80 mV to +80 mVYes
— Input resistance (-80 mV to +80 mV)≥1 MOhm
Input ranges (rated values), thermocouples
● Type JYes
— Input resistance (type J)1 200 °C
● Type KYes
— Input resistance (Type K)1 372 °C
Thermocouple (TC)
Temperature compensation
— parameterizableNo
Analog outputs
Number of analog outputs0
Cable length
● shielded, max.100 m; shielded, twisted pair
Analog value generation for the inputs
Measurement principleintegrating
Integration and conversion time/resolution per channel
● Resolution with overrange (bit including sign), max.15 bit; + sign
● Integration time, parameterizableNo
● Interference voltage suppression for interference frequency f1 in Hz85 dB at 10 / 50 / 60 / 400 Hz
Smoothing of measured values
● parameterizableYes
Errors/accuracies
Temperature error (relative to input range), (+/-)25 °C ±0.1%, to 55 °C ±0.2% total measurement range
Repeat accuracy in steady state at 25 °C (relative to output range), (+/-)0.5 %
Interference voltage suppression for f = n x (f1 +/- 1 %), f1 = interference frequency
● Common mode interference, min.120 dB
Interrupts/diagnostics/status information
AlarmsYes
Diagnostics functionYes; Can be read out
Alarms
● Diagnostic alarmYes
Diagnoses
● Wire-breakYes
Diagnostics indication LED
● for status of the inputsYes
● for maintenanceYes
Standards, approvals, certificates
CE markYes
CSA approvalYes
UL approvalYes
cULusYes
FM approvalYes
RCM (formerly C-TICK)Yes
KC approvalYes
Marine approvalYes
Ambient conditions
Free fall
● Fall height, max.0.3 m; five times, in product package
Ambient temperature during operation
● min.-20 °C
● max.60 °C
● horizontal installation, min.-20 °C
● horizontal installation, max.60 °C
● vertical installation, min.-20 °C
● vertical installation, max.50 °C
Ambient temperature during storage/transportation
● min.-40 °C
● max.70 °C
Air pressure acc. to IEC 60068-2-13
● Operation, min.795 hPa
● Operation, max.1 080 hPa
● Storage/transport, min.660 hPa
● Storage/transport, max.1 080 hPa
Relative humidity
● Operation at 25 ℃ without condensation, max.95 %
Pollutant concentrations
● SO2 at RH < 60% without condensationS02: < 0.5 ppm; H2S: < 0.1 ppm; RH < 60% condensation-free
connection method / header
required front connectorYes
Mechanics/material
Enclosure material (front)
● PlasticYes
Dimensions
Width38 mm
Height62 mm
Depth21 mm
Weights
Weight, approx.35 g
Weight0.031 kg
Dimensions5 × 8 × 2.9 cm

Title

Go to Top