Siemens S7-300 - 1 SM 321 digital input module; DI 16 x DC 24 V; with hardware interrupt and diagnostic interrupt, clocked; (6 ES7 321-7 BH01-0 A

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Product Information on the Manual S7-300 Module Specifications, Edition 11/2002
A5E00213444-02
1 SM 321 digital input module; DI 16 DC 24 V;
with hardware interrupt and diagnostic interrupt,
clocked; (6ES7 321-7BH01-0AB0)
Order number
6ES7 321-7BH01-0AB0
Characteristics
The SM 321; DI 16 DC 24 V; with hardware and diagnostic interrupts has the
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