Name: SIMATIC S7-1200 - SB 1231 TC - Siemens Signal/ Communication Boards
SKU: 6ES7231-5QA30-0XB0
Price: 109.3906 USD
Availability: InStock

$ 109.39

SKU 6ES7231-5QA30-0XB0 Category Siemens Signal/ Communication Boards

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 number		6ES7231-5QA30-0XB0
		Signal Board SB 1231 TC, 1 AI
General information
Product type designation		SB 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 inputs		1; 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 adjustable		Degrees Celsius/degrees Fahrenheit
Input ranges
● Voltage		Yes
● Current		No
● Thermocouple		Yes; J, K, T, E, R & S, B, N, C, TXK/XK(L); voltage range: ±80 mV
● Resistance thermometer		No
● Resistance		No
Input ranges (rated values), voltages
● -80 mV to +80 mV		Yes
— Input resistance (-80 mV to +80 mV)		≥1 MOhm
Input ranges (rated values), thermocouples
● Type J		Yes
— Input resistance (type J)		1 200 °C
● Type K		Yes
— Input resistance (Type K)		1 372 °C
Thermocouple (TC)
Temperature compensation
— parameterizable		No
Analog outputs
Number of analog outputs		0
Cable length
● shielded, max.		100 m; shielded, twisted pair
Analog value generation for the inputs
Measurement principle		integrating
Integration and conversion time/resolution per channel
● Resolution with overrange (bit including sign), max.		15 bit; + sign
● Integration time, parameterizable		No
● Interference voltage suppression for interference frequency f1 in Hz		85 dB at 10 / 50 / 60 / 400 Hz
Smoothing of measured values
● parameterizable		Yes
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
Alarms		Yes
Diagnostics function		Yes; Can be read out
Alarms
● Diagnostic alarm		Yes
Diagnoses
● Wire-break		Yes
Diagnostics indication LED
● for status of the inputs		Yes
● for maintenance		Yes
Standards, approvals, certificates
CE mark		Yes
CSA approval		Yes
UL approval		Yes
cULus		Yes
FM approval		Yes
RCM (formerly C-TICK)		Yes
KC approval		Yes
Marine approval		Yes
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 condensation		S02: < 0.5 ppm; H2S: < 0.1 ppm; RH < 60% condensation-free
connection method / header
required front connector		Yes
Mechanics/material
Enclosure material (front)
● Plastic		Yes
Dimensions
Width		38 mm
Height		62 mm
Depth		21 mm
Weights
Weight, approx.		35 g