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imo gsl-dt4c1 plc smart i/o 20.4-28.8vdc
IMO GSL-DT4C1 is a Modbus RTU Smart I/O module combining 16 NPN/PNP-compatible 24 V DC digital inputs with 16 NPN sinking transistor outputs and removable terminals for distributed industrial automation.
£291.59
Why Choose the IMO GSL-DT4C1 Modbus Smart I/O Module?
The IMO GSL-DT4C1 is a compact Modbus RTU Smart I/O module designed for distributed industrial automation and machine control. It combines 16 digital DC inputs with 16 NPN transistor outputs, providing 32 integrated digital I/O points for connecting sensors, switches, actuators and other field devices to a compatible Modbus control system.
The GSL-DT4C1 communicates using Modbus RTU over RS-422/RS-485. Its 16 digital inputs support NPN and PNP field devices, while the 16 transistor outputs use an NPN sinking configuration. This combination provides a versatile remote I/O solution where both discrete monitoring and control functions are required at the same field location.
Designed for a 20.4–28.8 V DC supply, the GSL-DT4C1 uses removable terminals to simplify installation and maintenance. Its compact construction, DIN rail mounting and integrated serial communications make it suitable for machinery, production equipment and distributed control panels where conventional point-to-point wiring would otherwise be extensive.
Key Advantages
- Combines 16 digital inputs and 16 transistor outputs in one compact Smart I/O module.
- Integrated Modbus RTU communication for widely supported industrial connectivity.
- RS-422/RS-485 interface supports serial distributed I/O architectures.
- Digital inputs accommodate NPN and PNP field devices.
- 16 NPN sinking transistor outputs for compatible industrial loads.
- Removable terminals simplify wiring, servicing and module replacement.
- 32 integrated digital I/O points provide efficient mixed input/output expansion.
Key Features
- Modbus RTU Smart I/O module.
- 16 digital DC inputs.
- Digital inputs support NPN / PNP devices.
- 16 NPN transistor outputs.
- Sinking transistor output configuration.
- 32 total integrated digital I/O points.
- 24 V DC digital I/O system.
- Modbus RTU over RS-422/RS-485.
- Module supply range of 20.4–28.8 V DC.
- Removable terminal construction.
- DIN rail mounting.
- Designed for distributed industrial automation and machine control.
Mixed Digital I/O for Modbus RTU Automation
The IMO GSL-DT4C1 combines input monitoring and output control within a single remote I/O station. Its 16 digital inputs can receive signals from compatible NPN or PNP sensors and switching devices, while its 16 NPN transistor outputs provide sinking control for compatible 24 V DC field loads. This mixed architecture can reduce the number of separate input and output modules required within a machine.
Communication through Modbus RTU over RS-422/RS-485 allows the GSL-DT4C1 to exchange I/O data with compatible industrial controllers over a serial network. Removable terminals make field wiring easier to disconnect during servicing, while DIN rail mounting supports straightforward integration into industrial control panels and distributed automation enclosures.
Typical Applications
- Modbus RTU distributed I/O systems.
- Industrial machinery and production equipment.
- Conveyor and material handling systems.
- Packaging and processing machinery.
- 24 V DC sensor and actuator interfacing.
- Machine status monitoring and interlocking.
- Discrete sequence and actuator control.
- Factory automation and distributed control panels.
Technical Specifications
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| Supported Protocols | Modbus RTU | |
|---|---|---|
| Device Type | Network Adapter / Remote I/O | |
| Communication | Modbus RTU | |
| Manufacturer | IMO | |
| Series | Smart I/O | |
| Model | GSL-DT4C1 | |
| Product type | Modbus RTU digital input/output Smart I/O module | |
| Communication protocol | Modbus RTU | |
| Communication interface | RS-422 / RS-485 | |
| Number of digital inputs | 16 | |
| Digital input type | DC, NPN / PNP compatible | |
| Nominal digital input voltage | 24 V DC | |
| Number of digital outputs | 16 | |
| Digital output type | Transistor | |
| Output configuration | NPN / sinking | |
| Total digital I/O | 32 points | |
| Module supply voltage | 20.4–28.8 V DC | |
| Connection type | Removable terminals | |
| Dimensions | approximately 176.6 × 50 × 39 mm | |
| Weight | approximately 240 g | |
| Mounting | DIN rail | |
| Installation type | Distributed Smart I/O | |
| HS Code | 8537109199 | |
| Country of Manufacture | South Korea |
Frequently Asked Questions
What is the IMO GSL-DT4C1 used for?
The IMO GSL-DT4C1 is a Modbus RTU distributed Smart I/O module used to connect digital sensors, switches, actuators and other compatible field devices to an industrial automation system.
How many inputs and outputs does the GSL-DT4C1 provide?
The GSL-DT4C1 provides 16 digital inputs and 16 transistor outputs, giving a total of 32 integrated digital I/O points.
What type of outputs does the GSL-DT4C1 use?
The module provides 16 NPN sinking transistor outputs for controlling compatible 24 V DC industrial loads.
What communication protocol does the GSL-DT4C1 use?
The GSL-DT4C1 uses Modbus RTU over RS-422/RS-485, allowing it to operate as distributed I/O with compatible industrial controllers.
What is the difference between the GSL-DT4C1 and GSL-DT4C?
The primary difference is the transistor output configuration. The GSL-DT4C1 uses NPN sinking outputs, while the GSL-DT4C uses PNP sourcing outputs. Both versions provide 16 digital inputs and 16 transistor outputs with Modbus RTU communications.
Flexible Modbus I/O for Industrial Control
The IMO GSL-DT4C1 combines 16 NPN/PNP-compatible 24 V DC digital inputs with 16 NPN sinking transistor outputs and Modbus RTU communications, providing a compact 32-point distributed I/O solution for industrial automation.
