AMX AXP-AI8 ANALOG 8-INPUT BOARD Manuale Utente Scaricare il pdf (Pagina 68)

SIMATIC S7-1200

Analog modules

SM 1231 analog input module

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Siemens ST 70 · 2011

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Overview

• Analog inputs for SIMATIC S7-1200

• With extremely short conversion times

• For connecting analog sensors without additional amplifiers

• For solving even more complex automation tasks

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Technical specifications

6ES7 231-4HD30-0XB0 6ES7 231-4HF30-0XB0

Product type designation SM 1231 AI 4x13 bit SM 1231 AI 8 x 13 bit

Supply voltages

Rated value

•24 V DC Yes Yes

Current consumption

Current consumption, typ. 45 mA 45 mA

from backplane bus 5 V DC, typ. 80 mA 90 mA

Power losses

Power loss, typ. 1.5 W 1.5 W

Connection method

required front connector Yes Yes

Analog inputs

Number of analog inputs 4; current or voltage differential inputs 8; current or voltage differential inputs

Permissible input frequency for current input

(destruction limit), max.

± 35 V ± 35 V

Permissible input current for voltage input

(destruction limit), max.

40 mA 40 mA

Cycle time (all channels) max. 625 μs 625 μs

Input ranges

•Voltage Yes; ±10 V, ±5 V, ±2.5 V Yes; ±10 V, ±5 V, ±2.5 V

• Current

Yes; 0 to 20 mA Yes; 0 to 20 mA

• Thermocouple No No

• Resistance thermometer No No

• Resistance No No

Input ranges (rated values), voltages

• -10 V to +10 V Yes Yes

• Input resistance (-10 V to +10 V) 9 MOhm 9 MOhm

• -2.5 V to +2.5 V

Yes Yes

• Input resistance (-2.5 V to +2.5 V) 9 MOhm 9 MOhm

• -5 V to +5 V Yes Yes

• Input resistance (-5 V to +5 V) 9 MOhm 9 MOhm

Input ranges (rated values), currents

• 0 to 20 mA Yes Yes

• Input resistance (0 to 20 mA)

 250 Ohm  250 Ohm

Voltage input

• permissible input voltage for voltage input

(destruction limit), max.

35 V 35 V

1 2 ... 63 64 65 66 67 68 69 70 71 72 73 ... 121 122

SIMATIC S7-1200 1

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AMX AXP-AI8 ANALOG 8-INPUT BOARD Manuale Utente Pagina 68

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