ODOT DT-122F 16-Channels digital input NPN module Explained(1)(1)_20260116_14580547

ODOT DT-122F 16-Channels digital input NPN module Explained(1)(1)_20260116_14580547

2 month ago

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Sichuan Odot Automation System Co.,Ltd

 4 month year

Product details

DT-122F Digital Input Module 16DI NPN

Module Features

The DT-122F provides 16 isolated digital input channels for 24VDC NPN sensors, with low-level active logic. It accepts signals from 2-wire or 3-wire digital sensors, as well as dry contacts or active outputs from field devices. Each channel features an individual LED indicator and supports configurable signal holding time for enhanced reliability.

Equipped with a high-speed redundant backplane bus and pluggable terminal blocks, the module ensures fast data refresh, easy installation, and simplified maintenance—ideal for demanding industrial automation environments.

Technical Parameters

General Parameters
Current Consumption	60mA@5VDC
Field Power	19.2~28.8VDC (Nominal: 24VDC)
Wirring Diameter	Min.0.2mm²(AWG24) Max.1.5mm²(AWG16)
Terminal Pluggable	Support
Backplane Bus	Double bus redundancy
Installation	35mm DIN-Rail
Dimension	1191480mm
Product Certification	CE Certification
Input Parameters
Number of Channels	16 channels input
Indicator	16 channel indicators
Input Characteristics	IEC 61131 ，Type 3
Signal “0”	-5~30VDC (reference potential FV+)
Signal “1”	-30~-11VDC (reference potential FV+)
Minimum Voltage	-30VDC
Maximum Voltage	30VDC
Input Delay	OFF to ON: Max.500μs ON to OFF: Max.500μs
Environment Parameters
Horizontal Installation Operating Temperature	-35℃~60℃
Vertical Installation Operating Temperature	-35℃~50℃
Storage Temperature	-40℃~85℃
Environment Humidity	5%~95%RH (No condensation)
Installation Altitude	<2000m
Pollution Degree	Ⅱ
Protection Grade	IP20
Mechanical Properties	Comply with IEC60068-2-6, IEC6008-2-27
Insulation Withstand	Comply with IEC61131-2
EMC Performance	Comply with IEC61131-2, IEC61000-4 (ESD: Contact discharge ±6kV, Performance level A; Air discharge±8kV, Performance level A SURGE: Common mode ±2kV, Performance level A EFT: ±2kV, Performance level A)

Application scenarios:

FQA

Q：What types of sensors and input signals is the DT-122F module compatible with?

A：The DT-122F features 16 digital input channels designed for NPN sensors, where a low-level signal (0V) is active. It supports dry contacts, active outputs, and both 2-wire and 3-wire digital sensors—making it ideal for industrial field signal acquisition.

Q：How does the DT-122F ensure reliable capture of input signals?

A：It features a configurable input signal holding function that reliably latches even short-duration pulses. Each channel also has an independent LED indicator for real-time status visibility, simplifying commissioning and troubleshooting.

Q：Is the DT-122F easy to install and integrate into a control system?

A：Yes. Built on a high-speed redundant backplane bus, the module uses pluggable spring-clamp terminals (supporting wire sizes from 0.2 to 1.5 mm² / AWG 24–16), enabling rapid wiring and tool-free replacement for efficient installation and maintenance.

Certifications & Quality Assurance:

ODOT products comply with international industrial standards, including CE and RoHS, and undergo strict quality control to ensure long-term reliable operation in industrial environments.

Technical Support

Fast Delivery

ODOT maintains sufficient inventory for standard models.

Most products can be shipped within 1-3 working days, helping customers accelerate project schedules.

Professional technical support and application assistance are available throughout the project lifecycle.

ODOT In Hannover Messe

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Sichuan Odot Automation System Co.,Ltd

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4 month

Address: Mianyang, China

Main Product: PLC, Remote IO Modules, Remote IO Coupler Adapter, Protocol Converter, Industrial Ethernet Switch , gateway

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