Siemens Simatic S7-300 Manuel - Page 2

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SM 321 digital input module; DI 16

with hardware interrupt and diagnostic interrupt,

clocked; (6ES7 321-7BH01-0AB0)

Order number

Characteristics

The SM 321; DI 16

following features:

S 16 inputs, isolated in groups of 16

S 24 VDC rated input voltage

S Input characteristic curve according to IEC 61131, Type 2

S Suitable for switches and two / three / four-wire BEROs (proximity switches)

S 2 short-circuit-proof sensor supplies for 8 channels each

S External redundant power supply possible to supply sensors

S "Sensor supply (Vs)" status display

S Group error display

S Supports clocked operation

S Supports the function "Reparameterization in RUN mode"

S Programmable diagnostics

S Programmable diagnostic interrupt

S Programmable hardware interrupt

S Programmable input delays

DC 24 V; with hardware and diagnostic interrupts has the

Product Information on the Manual S7-300 Module Specifications, Edition 11/2002

DC 24 V;

A5E00213444-02