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SIMATIC S7-1200

Analog modules

SM 1234 analog input/output module

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Siemens ST 70 · 2011

■

Overview

• Analog inputs and outputs for the SIMATIC S7-1200

• With extremely short conversion times

• For connecting analog actuators and sensors without

additional amplifiers

• For solving even more complex automation tasks

■

Technical specifications

6ES7 234-4HE30-0XB0

Product type designation SM 1234 A I4x13 bit AQ 2x14 bit

Supply voltages

Rated value

•24 V DC Yes

Current consumption

Current consumption, typ. 60 mA

from backplane bus 5 V DC, typ. 80 mA

Power losses

Power loss, typ. 2W

Connection method

Required front connector Yes

Analog inputs

Number of analog inputs 4; current or voltage differential

inputs

Permissible input frequency for

current input (destruction limit),

max.

± 35 V

Permissible input current for voltage

input (destruction limit), max.

40 mA

Cycle time (all channels) max. 625 μs

Input ranges

•Voltage Yes; ±10 V, ±5 V, ±2.5 V

• Current Yes; 0 to 20 mA

• Thermocouple No

• Resistance thermometer No

•Resistance

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

Voltage input

• Permissible input voltage for

voltage input (destruction limit),

max.

35 V

Current input

• Permissible input current for

current input (destruction limit),

max.

40 mA

Temperature compensation

• Temperature compensation

parameterizable

1 2 ... 73 74 75 76 77 78 79 80 81 82 83 ... 121 122

SIMATIC S7-1200 1

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