16 Channels Digital Output 24VDC NPN

In high-load industrial environments, digital output modules are often vulnerable to damage from short circuits, overcurrent, or overheating—leading to prolonged downtime and difficult fault diagnosis. The DT-221F 16-Channel Digital Output Module from Sichuan Odot Automation is engineered to address these challenges with robust protection and service-friendly design. It delivers 16 NPN-type sinking outputs (low-level active, 0V valid), ideal for directly driving 24VDC field devices such as relays, solenoid valves, and indicator lights—commonly used in packaging machines, sortation systems, injection molding equipment, and automated assembly lines. Each channel features an individual LED indicator for instant visual status feedback, enabling rapid troubleshooting. Built-in over-current protection and thermal shutdown automatically disable outputs during faults, preventing permanent hardware damage. The module leverages a high-speed redundant backplane bus and pluggable spring-clamp terminal blocks, allowing tool-free installation and hot-swappable maintenance to minimize production interruptions. As a core actuation component of the ODOT open automation platform, the DT-221F combines safety, durability, and operational efficiency—delivering a reliable, scalable, and future-ready digital output solution for modern industrial Control Systems. 

General Parameters
Current Consumption	48mA@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	119*14*80mm
Product Certification	CE Certification

Input parameters
Channel number	16 channels output
Indicator	16 channel indicators
Output Type	Transistor output, NPN
Load capacity	12W (0.5A)/ each channel
Output Current of Module	Max.8A
Load Resistance	Min.48Ω
Output Delay	OFF to ON: Max.100μs   ON to OFF: Max.200μs
Output voltage	0V
Residual Current	<8 μA
Switching Frequency	Resistive load: Max.100Hz  Inductive load: Max.2Hz
Module Fault Handling	Output fault value or hold last output value can be configured
Protection Function	Overcurrent protection, protection current: 0.7~1.4A

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)