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

$ 89.47

SKU: 6ES7231-4HA30-0XB0

The SB 1231 analog input signal board converts analog signals from the process into digital signals for internal processing by the SIMATIC S7-1200 controller.  The SB 1231 analog input signal board enables the connection of the controller to analog signals of the process.

Siemens Signal Boards S7-1200 Product Specifications:

Article number 6ES7231-4HA30-0XB0
Signal Board SB 1231, 1 AI
General information
Product type designation SB 1231, AI 1×12 bit
Supply voltage
Rated value (DC) 24 V
Input current
from backplane bus 5 V DC, typ. 55 mA
Power loss
Power loss, typ. 0.4 W
Analog inputs
Number of analog inputs 1; Current or voltage differential inputs
permissible input voltage for current input (destruction limit), max. ±35 V
permissible input voltage for voltage input (destruction limit), max. 35 V
permissible input current for voltage input (destruction limit), max. 40 mA
permissible input current for current input (destruction limit), max. 40 mA
Cycle time (all channels) max. 156.25 µs; 400 Hz suppression
Input ranges
● Voltage Yes; ±10V, ±5V, ±2.5V
● Current Yes; 0 to 20 mA
● Thermocouple No
● Resistance thermometer No
● Resistance No
Input ranges (rated values), voltages
● -10 V to +10 V Yes
— Input resistance (-10 V to +10 V) ≥9 MOhm
● -2.5 V to +2.5 V Yes
— Input resistance (-2.5 V to +2.5 V) ≥9 MOhm
● -5 V to +5 V Yes
— Input resistance (-5 V to +5 V) ≥9 MOhm
Input ranges (rated values), currents
● 0 to 20 mA Yes
— Input resistance (0 to 20 mA) ≥ 250 Ohm
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. 11 bit; + sign
● Integration time, parameterizable Yes
● Interference voltage suppression for interference frequency f1 in Hz 40 dB, DC to 60 Hz
Smoothing of measured values
● parameterizable Yes
● Step: None Yes
● Step: low Yes
● Step: Medium Yes
● Step: High Yes
Errors/accuracies
Temperature error (relative to input range), (+/-) 25 °C ±0.3%, to 55 °C ±0.6% total measurement range
Interrupts/diagnostics/status information
Alarms Yes
Diagnostics function Yes
Alarms
● Diagnostic alarm Yes
Diagnoses
● Wire-break No
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
Weight 0.029 kg
Dimensions 5.2 × 8.0 × 2.9 cm

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