AMX AXP-AI8 ANALOG 8-INPUT BOARD Manuale Utente Scaricare il pdf (Pagina 81)

SIMATIC S7-1200

Analog modules

SM 1231 thermocouple module

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Siemens ST 70 · 2011

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Overview

• For the convenient recording of temperatures with great

accuracy

• 7 common thermocouple types can be used

• Also for the measurement of analog signals with a low level

(±80 mV)

• Can easily be retrofitted to existing plant

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Technical specifications

6ES7 231-5QD30-0XB0 6ES7 231-5QF30-0XB0

Product type designation SM1231 TC 4x16 bit SM 1231 TC 8x16 bit

Supply voltages

Rated value

•24 V DC Yes Yes

Current consumption

Current consumption, typ. 40 mA

From backplane bus 5 V DC, typ. 80 mA 80 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; Thermocouples 8; Thermocouples

Permissible input frequency for current input

(destruction limit), max.

± 35 V ± 35 V

Technical unit for temperature measurement

adjustable

Degrees Celsius/degrees Fahrenheit Degrees Celsius/degrees Fahrenheit

Input ranges

• Thermocouple Yes; J, K, T, E, R, S, N, C, TXK/XK(L);

voltage range: +/-80 mV

Yes; J, K, T, E, R, S, N, C, TXK/XK(L);

voltage range: +/-80 mV

Input ranges (rated values), voltages

• -80 mV to +80 mV Yes Yes

• Input resistance (-80 mV to +80 mV) >=1MOhm >=1MOhm

Input ranges (rated values), thermoelements

• Type C Yes Yes

• Type E Yes Yes

• Type J Yes Yes

• Type K

Yes Yes

• Type N

Yes Yes

• Type R Yes Yes

• Type S Yes Yes

• Type T Yes Yes

• Type TXK/TXK(L) to GOST Yes Yes

Thermocouple (TC)

• permissible input voltage for voltage input

(destruction limit), max.

+-35V +-35V

Temperature compensation

• Temperature compensation parameterizable No No

1 2 ... 76 77 78 79 80 81 82 83 84 85 86 ... 121 122

SIMATIC S7-1200 1

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AMX AXP-AI8 ANALOG 8-INPUT BOARD Manuale Utente Pagina 81

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