SIEMENS 6ES7321-1BH50-0AA0 Digital Input Module

SIEMENS 6ES7321-1BH50-0AA0 Digital Input Module

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Phone/WhatsApp: +86-18965196563       

Email: sales17@amikon.cn

Address:GUOMAO BUILDING, HUBIN SOUTH ROAD, SIMING DISTRICT, XIAMEN, Fujian, China.

Product Specifications

Function: 16-channel Digital Input, 24 VDC, Sourcing (PNP)
Number of Inputs: 16
Input Type: Sourcing (Source Input), compliant with IEC 61131 Type 1
Supply Voltage (L+): 24 VDC (20.4 V to 28.8 V range)
Input Voltage:
Signal "1": 13 VDC to 30 VDC
Signal "0": -5 VDC to +5 VDC
Input Current (typical): 7 mA per input at signal "1"
Input Delay: 1.2 ms to 4.8 ms (for both 0->1 and 1->0 transitions)
Backplane Bus Current (5V DC, max.): 10 mA
Power Loss (typical): 3.5 W
Connection: 20-pole front connector
Cable Length: Max. 1000 m (shielded);  Max. 600 m (unshielded)
Encoder Connection: Supports 2-wire sensors (max.  permissible quiescent current 1.5 mA)
Dimensions (W x H x D): 40 mm x 125 mm x 120 mm
Weight: approx.  200 g

This is a 16-channel digital input module for the SIMATIC S7-300 system, designed for 24 VDC sourcing (PNP) signals. 

It provides reliable signal acquisition with optocoupler isolation for enhanced noise immunity and safety. 

The module features a simple design without diagnostic alarms, making it a cost-effective solution for standard 

digital input applications. It is certified for use in various environments, including hazardous areas and maritime applications, 

ensuring broad industrial compatibility.

Who We Are

With 20 years of industry expertise, our company specializes in supplying discontinued and hard-to-find parts 
for leading global industrial brands.We hold over 30,000 high-quality spare parts in stock, ready for immediate delivery. 

Our extensive inventory enables quick replacements—minimizing downtime, protecting production schedules, 
and delivering cost-effective reliability you can count on.

What We Do

Distributed Control Systems (DCS)
Programmable Controllers
MOTOROLA MVME industrial modules
Industrial control communication converters (Anybus)
Remote I/O Modules (RTU)
Industrial Computers (IPC)
Industrial low-frequency displays
Human-Machine Interfaces (HMI)
SCSI connectors (50, 68, 80-Pin)
AnyBus Gateways

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