AMX AXP-AI8 ANALOG 8-INPUT BOARD Manuale Utente Scaricare il pdf (Pagina 40)

SIMATIC S7-1200

Digital modules

SM 1221 digital input module

4/40

Siemens ST 70 · 2011

■

Overview

• Digital inputs as supplement to the integral I/O of the CPUs

• For flexible adaptation of the controller to the relevant task

• For subsequent expansion of the system with additional inputs

■

Technical specifications

6ES7 221-1BF30-0XB0 6ES7 221-1BH30-0XB0

Product type designation SM 1221 DI 8x24 V DC SM 1221 DI 16x24 V DC

Supply voltages

Rated value

•24 V DC Yes Yes

• Permissible range, lower limit (DC) 20.4 V 20.4 V

• Permissible range, upper limit (DC) 28.8 V 28.8 V

Power supply to the transmitters

• present Yes Yes

Current consumption

from backplane bus 5 V DC, max. 105 mA 130 mA

Digital inputs

• from load voltage L+ (without load), max. 4 mA; per channel 4 mA; per channel

Power losses

Power loss, typ. 1.5 W 2.5 W

Connection method

Required front connector Yes Yes

Digital inputs

Number of digital inputs 8 16

• in groups of 2 4

Number of simultaneously controllable inputs

• All mounting positions

- concurrently controllable inputs, up to 40 °C 8 16

• Horizontal installation

- up to 40 °C, max. 8 16

- up to 50 °C, max. 8 16

• Vertical installation

- up to 40 °C, max. 8 16

Input characteristic curve acc. to IEC 1131,

Type 1

Yes Yes

Input voltage

• rated value, DC 24 V 24 V

• for signal "0"

5 V DC at 1 mA 5 V DC at 1 mA

• for signal "1"

15 V DC at 2.5 mA 15 V DC at 2.5 mA

Input current

• for signal "0", max. (permissible quiescent

current)

1mA 1mA

• for signal "1", min.

2.5 mA 2.5 mA

• for signal "1", typ.

4 mA; Typical 4 mA; Typical

1 2 ... 35 36 37 38 39 40 41 42 43 44 45 ... 121 122

SIMATIC S7-1200 1

Commenti su questo manuale

Nessun commento

AMX AXP-AI8 ANALOG 8-INPUT BOARD Manuale Utente Pagina 40

Commenti su questo manuale

Prodotti e manuali riguardandi Networking AMX AXP-AI8 ANALOG 8-INPUT BOARD