Digital Output Module 32DO PNP Independent Power Supply

Digital Output Module 32DO PNP Independent Power Supply

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Product Description

Product Attributes

Packaging & Delivery

Product Description

Product Attributes

Model No.: CT-222D

Packaging & Delivery

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Product Description

CT-222D Digital Output Module 32DO PNP Independent Power Supply

The CT-222D is a 32-channel digital output module from Sichuan ODOT Automation System Co., Ltd., delivering 24VDC PNP (high-level valid) outputs with independent power supply per channel. Designed to drive relays, solenoid valves, and other field devices, it features opto-coupler isolation between the internal bus and field outputs for enhanced safety and noise immunity. Each channel includes an LED status indicator and is protected by comprehensive safeguards: overcurrent, overload, short-circuit, and thermal shutdown protection—ensuring reliable operation in demanding industrial environments.

Technical Parameters

General parameters
Power	Max.64mA @ 5.0Vdc
Isolation	I/O to internal bus: opto-couple isolation (3KVrms)
Field Power	Nominal: 24Vdc, Range: 19.2~28.8Vdc
Wiring	I/O Wiring： Max.1.0mm²(AWG 17)
Mounting Type	35mmDIN-Rail
Size	1151475mm
Weight	65g
Environment Specification
Operational Temperature	-40~85℃
Operational Humidity	5%~95% RH(No Condensation)
Protection Class	IP20
Output Parameters
M/S/F:Channel Number	8 Channels
M/S/F:LED Indicator	8 channels output LED indicator
M/S:Rated Current	Single channel output：Max. 1000mASimultaneously output: Max.500mA
M/S: Leak Current	Max. value：3uA
M/S/Output Impedance	< 200mΩ
M/S/Output Delay	OFF to ON:Max.50us ON to OFF:Max.300us
M/S/Protection Function	Over temperature shutdown: typical 135℃Overcurrent protection: typical value 3A Short-circuit protection: Supported

Application scenarios:

FQA

Q：What types of loads can the CT-222D module drive, and what is its output logic?

A：The CT-222D offers 32 PNP-type digital outputs with high-level active logic (24VDC), capable of directly driving relays, solenoid valves, and other field devices—ideal for standard industrial actuator control.

Q： What safety and reliability protections does the CT-222D provide?

A：The module uses opto-coupler isolation between the internal bus and field outputs, and includes overcurrent, short-circuit, overload, and thermal shutdown protection to ensure safe operation under fault conditions.

Q：How can I monitor the output status of the CT-222D?

A：Each of the 32 output channels features an independent LED indicator that shows real-time on/off status, simplifying on-site commissioning, troubleshooting, 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.