4 channels digital input 220VAC

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Product Description

Product Attributes

Model No.: CT-1314

Packaging & Delivery

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Product Description

CT-1314 4 channels digital input/220VAC

Module features

The CT-1314 is a 4-channel digital input module from Sichuan ODOT Automation System Co., Ltd., designed for high-voltage industrial environments. It accepts 220VAC inputs and interfaces with dry contacts, active outputs, or 2-/3-wire digital sensors. All four channels are mutually isolated (3000VAC) and opto-isolated from the internal bus for enhanced safety and noise immunity. Each channel features an LED indicator, configurable signal filtering, and adjustable input holding time. With an optional counting sub-module, every channel supports an independent 32-bit counter (counting frequency <10 Hz), with user-defined counting mode, direction, and byte transmission sequence.

Technical parameters

General Parameters
Power Consumption	Max.33mA @ 5.0VDC/25℃
Isolation	The isolation voltage between the I/O channel and the system power supply: AC3000V Isolation voltage between the I/O channel and PE: AC 3000V Isolation voltage between I/O channels: AC 3000V
Field Power	\
Wiring	Max.: AWG 18 Min.: AWG 24
Installation Method	35mm DIN-Rail
Size	1151475mm
Weight	65g
Environment Specification
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
Input Parameters
Channel Number	4 channel inputs
LED Indicator	4-channel input indicator 4 panel indicators 1 power indicator 1 dual-color indicator
Input Type	Conforms to IEC 61131-2 Type3 input type
Overvoltage category	OVC II
Opening Voltage	159VAC~264VAC
Turn-off Voltage	0VAC~40VAC
Nominal Voltage	230VAC
Opening Current	Min.7mA/channel@220VAC/25℃
Input Impedance	>32kΩ
Input Delay	OFF to ON:Max.8ms ON to OFF:Max.20.5ms
Filtering Time	Default 20ms
Counting Frequency	<10Hz

Application scenarios:

FQA

Q：What input voltage and signal types does the CT-1314 module support? Is it suitable for industrial field sensors?

A：The CT-1314 supports 4 channels of 220VAC digital input, compatible with dry contact or active output signals, and works with both 2-wire and 3-wire digital sensors—designed specifically for high-voltage industrial environments.

Q：What electrical safety and noise immunity features does the CT-1314 offer?

A：Each channel is isolated up to 3000VAC, and optical coupling isolates the internal bus from field inputs. Combined with configurable input filtering and signal holding time, the module ensures stable operation even in high-noise industrial settings.

Q：Does the CT-1314 support counting functionality? What are its performance specifications?

A：Yes, with an optional counting sub-module, each channel enables a 32-bit counter with a maximum counting frequency of 10 Hz, and allows independent configuration of counting mode, direction, and byte transmission sequence.

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.