6ES7231-5PD32-0XB0 Siemens SM 1231 RTD Original Brand New

 431.46 454.17

  • 6ES7231-5PD32-0XB0
  • SIMATIC S7-1200
  • Analogue input
  • SM 1231 RTD
  • 4 analogue inputs RTD module (Pt100/Pt1000)

Siemens SM 1231 RTD – 6ES7231-5PD32-0XB0

Overview

  • For the convenient recording of temperatures with great accuracy
  • 4 inputs
  • Most popular resistance temperature sensors can be used
  • Can easily be retrofitted to existing installation

Application

The SM 1231 RTD modules enable temperatures to be measured with high precision using established resistance temperature detectors.

Design

The SM1231 RTD modules exhibit the same structural features as the other modules of the S7-1200 series:

  • Mounting on a DIN rail:
    The modules are snapped onto the rail just to the right of the CPU and connected to one another and with the CPU 12xx by means of the integral backplane bus.
  • Direct mounting:
    Drilled holes permit the module to be bolted directly to walls. This type of mounting is recommended for applications subject to strong vibrations.
  • Resistance temperature detectors:
    The most popular resistance temperature detectors can be used: Pt 100, Pt 200, Pt 500, Pt 1000, Pt 10000, Ni 100, Ni 120, Ni 1000, Cu 10, FS 150, FS 30, FS 600. They are connected directly to the module without amplifiers and all RTDs must be of the same type. The detectors can be connected with 2, 3 or 4 cables.
  • Mounting location:
    For maximum possible measurement and repeat accuracy, the RTD module should be mounted in locations with low temperature variations.
  • DIP switches:
    Required settings, e.g. selection of the connected RTDs, should be made using the DIP switches on the module.

Function

  • Different measurement ranges:
    Resistance temperature detectors of types Pt 100, Pt 200, Pt 500, Pt 1000, Pt 10000, Ni 100, Ni 120, Ni 1000, Cu 10, FS 150, FS 30, FS 600.
  • Temperature scaling:
    The measured temperature can be shown in °C or °F.

Technical specifications

6ES7231 5PD32 0XB0

SIMATIC S71200, Analog input, SM 1231 RTD, 4xAI RTD module

Download

DataSheet in PDF

Weight 0.207 kg
Dimensions 8.80 × 10.90 × 5.60 mm
Brand

SIEMENS

Product type designation

SM 1231, AI 4×16 bit RTD

Rated value (DC)

24 V

Current consumption, typ.

40 mA

from backplane bus 5 V DC, typ.

80 mA

Power loss, typ.

1.5 W

Number of analog inputs

4; Resistance thermometer

permissible input voltage for voltage input (destruction limit), max.

±35 V

Technical unit for temperature measurement adjustable

Degrees Celsius/degrees Fahrenheit

● Voltage

No

● Current

No

● Thermocouple

No

● Resistance thermometer

Yes; Resistance-type transmitter: Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, LG-Ni1000

● Resistance

Yes; 150 Ω, 300 Ω, 600 Ω

● Cu 10

Yes

— Input resistance (Cu 10)

10 Ω

● Ni 100

Yes

— Input resistance (Ni 100)

100 Ω

● Ni 1000

Yes

— Input resistance (Ni 1000)

1 000 Ω

● LG-Ni 1000

Yes

— Input resistance (LG-Ni 1000)

1 000 Ω

● Ni 120

Yes

— Input resistance (Ni 120)

120 Ω

● Ni 200

Yes

— Input resistance (Ni 200)

200 Ω

● Ni 500

Yes

— Input resistance (Ni 500)

500 Ω

● Pt 100

Yes

— Input resistance (Pt 100)

100 Ω

● Pt 1000

Yes

— Input resistance (Pt 1000)

1 000 Ω

● Pt 200

Yes

— Input resistance (Pt 200)

200 Ω

● Pt 500

Yes

— Input resistance (Pt 500)

500 Ω

● 0 to 150 ohms

Yes

● 0 to 300 ohms

Yes

● 0 to 600 ohms

Yes

— parameterizable

No

Measurement principle

integrating

● 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 50 / 60 / 400 Hz

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), (+/-)

0.05 %

● Common mode interference, min.

120 dB

Alarms

Yes

Diagnostics function

Yes; Can be read out

● Diagnostic alarm

Yes

● Monitoring the supply voltage

Yes

● Wire-break

Yes

● for status of the inputs

Yes

● for maintenance

Yes

IP degree of protection

IP20

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

● Fall height, max.

0.3 m; five times, in product package

● horizontal installation, min.

-20 °C

● horizontal installation, max.

60 °C

● vertical installation, min.

-20 °C

● vertical installation, max.

50 °C

● min.

-40 °C

● max.

70 °C

● Operation, min.

795 hPa

● Operation, max.

1 080 hPa

● Storage/transport, min.

660 hPa

● Storage/transport, max.

1 080 hPa

● Operation at 25 ℃ without condensation, max.

95 %

● SO2 at RH < 60% without condensation

S02: < 0.5 ppm; H2S: < 0.1 ppm; RH < 60% condensation-free

required front connector

Yes

Enclosure material (front)

● Plastic

Yes

Width

45 mm

Height

100 mm

Depth

75 mm

Weight, approx.

220 g

last modified:

2/26/2021

Product Condition

Brand New, New – Backlog, New – No Original Box, New – Original Box Opened, Used – Average, Used – Below Average, Used – Excellent, Used – Fairly Good, Used – Good, Used – Poor, Used – Very Good

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