8 channel analog output

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Product Description

Product Attributes

Model No.: CT-4238

Packaging & Delivery

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SPS-C Series IO_20260119_11180739

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Product Description

8 channel analog output /0&4-20mA/16 bit

Module features

The CT-4238 is a high-performance 8-channel analog output module developed by Sichuan Odot Automation, supporting industry-standard current output ranges of 0–20mA or 4–20mA with 16-bit resolution for precision process control.

Featuring a single-terminal common-ground output architecture, the module simplifies wiring and enhances system compatibility. It delivers exceptional accuracy of ±0.1% of full scale at 25°C and maintains ±0.3% across a wide operating temperature range (-35°C to 70°C), ensuring Reliable Performance in harsh industrial environments. Integrated current output status diagnostics enable real-time monitoring of channel health, improving system reliability and maintenance efficiency.

Ideal for applications requiring precise continuous control—such as regulating valve positions, VFD speeds, or temperature setpoints—the CT-4238 is widely used in chemical processing, power generation, water/wastewater treatment, HVAC, smart manufacturing, and energy management systems. As a critical component in modern Industrial Automation, the CT-4238 combines high accuracy, environmental robustness, and intelligent self-diagnosis to deliver dependable analog control solutions.

Technical parameters

General parameter
Power	Max.68mA @ 5.0VDC/25℃
Isolation	The isolation voltage between I/O module and system power is AC500V The isolation voltage between I/O module and PE is AC500V The isolation voltage between field power and PE is AC500V
Field Power	Supply: 19.2~28.8VDC (nominal:24VDC)
Wiring	Max.: AWG 18 Min.: AWG 24
Mounting Type	35mm DIN-Rail
Size	1151475mm
Weight	65g
Environment parameter
Operating Temperature of Vertical Installation	-35℃~60℃
Operating Temperature of Horizontal Installation	-35℃~70℃
Relative Humidity	5~ 95%RH (No Condensation)
Storage Temperature	-40℃~85℃
Storage Humidity	5~ 95%RH (No Condensation)
Manufacturing Test Temperature	-40℃~75℃
Ingress Protection Rating	IP20
Vibration Resistance	Comply with IEC 61131-2 and IEC 60068-2-6
Impact Resistance	Comply with IEC 61131-2 and IEC 60068-2-27
EMC Performance	Comply with IEC 61131-2 and IEC 61000-4
Output parameter
Channel Number	8-channel
Indicator	8 panel indicators, 1 power indicator, 1 two-color indicator
Resolution Ratio	16 Bit
Output Accuracy	0.1%@25℃，0.3%@-35℃~70℃
Diagnostic Function	Disconnected, open/overload
Common Terminal	0V common ground, channels are not isolated
Conversation	2ms/All channels
Load	Max.1KΩ

Application scenarios:

FQA

Q：Number of channels?

A: 8 channels.

Q：Output accuracy?

A：0.1%@25℃，0.3%@-35℃~70℃

Q:Typical applications?

A: Analog output for process Control Systems. ODOT Solutions

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.