SM321 16DI
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SM321 16 Digital Input Module 300 PLC equivalent of Siemens S7 - 300
1). SM321 16DI ;
2). Compatible with Siemens 6ES7321-1FH00-0AA0;
3). Analog Input module ;
4). Could connect with Siemens 300 CPU ;
5). 3-year warranty ;
Model | SM321 16DI NPN | ||
Order Number | UN 321-1BH02-0AA0 | ||
Product Description | 16DL24V DC High immunity stable |
||
Power consumption | |||
From bus curent consumption | 17mA | ||
Power loss | 3.5W | ||
Number of digital inputs | 16 | ||
Cable Length | 1,000m(Shielded),600m(Unshielded | ||
Input voltage | |||
Rated value | 24V DC | ||
"0"for signa | -30~5V DC | ||
"1"for signa | 13~30V DC | ||
Frequency range | |||
Input current | 7mA | ||
Input delay | |||
From"0"to"1",Min | 1.2~4.8ms | ||
From"1"to"0",Min | 1.2~4.8ms | ||
Front connector | 20pin | ||
Input type | NPN | ||
2-wire BERO connector | Yes | ||
Permissible quiescent current | 1.5mA | ||
Galvanic isolation | |||
Betewwn the channel and backplane bus | Yes | ||
Betewwn the channels,in groups of | Yes | ||
The status indicates | Green LED in each channel | ||
Dimension(WxHxD) | 40×125×120mm |
UN 300 Series Digital Expansion Modules | |
SM321 16 inputs,24V DC | UN 321-1BH02-0AA0 |
SM321 16 inputs,230V AC | UN 321-1FH00-0AA0 |
SM321 32 inputs,24V DC | UN 321-1BL00-0AA0 |
SM322 8 outputs,24V DC,2A | UN 322-1BF01-0AA0 |
SM322 16 outputs,24V DC,0.5A | UN 322-1BH01-0AA0 |
SM322 16 outputs,Relay,2A | UN 322-1HH01-0AA0 |
SM322 32 outputs,24V DC,0.5A | UN 322-1BL00-0AA0 |
SM322 16 inputs,24V DC/16 outputs,24V DC,0.5A | UN 323-1BL00-0AA0 |
UN 300 Series Analog Expansion Modules | |
SM331 8 inputs,Voltage/Current×13 bits | UN 331-1KF01-0AB0 |
SM331 8 inputs,Voltage/Current | UN 331-7KF02-0AB0 |
SM331 8 inputs,RTD | UN 331-7PF01-0AB0 |
SM331 8 inputs, Thermocouple | UN 331-7PF11-0AB0 |
SM331 4 outputs,Voltage/Current×12 bits | UN 332-5HD01-0AB0 |
SM331 8 outputs,Voltage/Current×12 bits | UN 332-5HF00-0AB0 |
UN 300 Series Communication Interface Modules | |
IM 153 PROFIBUS-DP | UN 153-1AA03-0XB0 |
UN 300 Series | |
DP/MPI USB adapter | UN 972-0CB20-0XA0 |
RS232-MPI adapter | UN 972-0CA23-0XA0 |
Ethernet -MPI adapter | UN 972-0CE20-0XA0 |
UN 300 Series Power | |
PS 307 Power,5A | UN 307-1EA01-0AA0 |
PS 307 Power,10A | UN 307-1KA01-0AA0 |
20 years experience
3-year warranty
Support free sample test

- Shenzhen Unimat Automation Technology Co., Ltd., established in 2005, is a National High-Tech Enterprise, a Specialized and Innovative Enterprise, and a participant in the development of the national standard for Programmable Controllers, specializing in industrial automation control.
- The company's products include PLCs, HMIs, VFDs, and Industrial Internet of Things systems, all of which have complete independent intellectual property rights.
As of December 2023, UniMAT PLC sales have exceeded 2,000,000 units.