AMX AXP-AI8 ANALOG 8-INPUT BOARD Manuale Utente Scaricare il pdf (Pagina 69)

SIMATIC S7-1200

Analog modules

SM 1231 analog input module

4/69

Siemens ST 70 · 2011

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Technical specifications (continued)

Current input

• permissible input current for current input

(destruction limit), max.

40 mA 40 mA

Temperature compensation

• Temperature compensation parameterizable No No

Analog outputs

Number of analog outputs 0 0

Analog value creation

Integrations and conversion time/ resolution per

channel

• Resolution with overrange (bit including sign),

max.

12 bit; + sign 12 bit; + sign

• Integration time, parameterizable Yes Yes

• Interference voltage suppression for

interference frequency f1 in Hz

40 dB, DC to 60 V for interference frequency

50 / 60 Hz

40 dB, DC to 60 V for interference frequency

50 / 60 Hz

Smoothing of measured values

• Parameterizable Yes Yes

• Step: None

Yes Yes

• Step: Low Yes Yes

• Step: Medium Yes Yes

• Step: High Yes Yes

Errors/accuracies

Temperature error (relative to input area) 25°C ±0.1% to 55°C ±0.2% total measurement

range

25°C ±0.1% to 55°C ±0.2% total measurement

range

Basic error limit (operational limit at 25 °C)

• Voltage, relative to input area +/- 0.1 % +/- 0.1 %

• Current, relative to input area +/- 0.1 % +/- 0.1 %

Interference voltage suppression for

f = n x (fl +/- 1%), fl = interference frequency

• Common mode voltage, max. 12 V 12 V

Alarms/diagnostics/status information

Alarms

•Alarms Yes Yes

• Diagnostic alarm Yes Yes

Diagnostics

• Diagnostic functions Yes Yes

• Monitoring the supply voltage to the electronics Yes Yes

•Wire break No No

Diagnostic indication LED

• for status of the inputs Yes Yes

• for maintenance

Yes Yes

Galvanic isolation

Galvanic isolation analog outputs

• between the channels and the power supply of

the electronics

No No

Climatic and mechanical conditions for

storage and transport

Climatic conditions for storage and transport

•Free fall

- Drop height, max. (in packaging) 0.3 m; five times, in dispatch package 0.3 m; five times, in dispatch package

•Temperature

- Permissible temperature range -40 °C to +70 °C -40 °C to +70 °C

• Air pressure acc. to IEC 60068-2-13

- Permissible air pressure 1080 to 660 hPa 1080 to 660 hPa

• Relative humidity

- Permissible range (without condensation) at

25 °C

95% 95%

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

1 2 ... 64 65 66 67 68 69 70 71 72 73 74 ... 121 122

SIMATIC S7-1200 1

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AMX AXP-AI8 ANALOG 8-INPUT BOARD Manuale Utente Pagina 69

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